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OSCE IMPLANT AND DENTURE > IMPLANT AND DENTURE > Flashcards

IMPLANT AND DENTURE Flashcards

1
Q

secondary stress bearing area of a md complete denture

A

crest of the residual ridge

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2
Q
A
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3
Q

Biomechanical factors are associated with long-term implant success.
What is a common cause of vertical or angular bone loss around a dental
implant? page 421

A

Occlusal trauma

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4
Q

For balancing 33° teeth with a 30° condylar guidance and 0° incisal guidance , what would the horizontal and vertical overlap be?

A

For balancing 33° teeth with a 30° condylar guidance and 0° incisal guidance – horizontal and vertical overlap would be between 33 and 0°

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5
Q

Has undercut features so that the impression post remains in the impression after removal from the mouth

A

Direct impression Post (open tray)

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6
Q

name some works that can help evaluate phonetics

A

sixty-six, church, seashells, seashore, count from 60-70

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7
Q
A

2/3 the height of RMP

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8
Q

Factors that have a role in screw loosening

A

Inadequate torque and preload
 Non- p a s s i v e p r o s t h e s i s
 O c c l u s i o n : P a r a f u n c t i o n a l h a b i t s - l o n g c a n t i l e v e r s
P a t i e n t s n o t b e i n g a w a r e ( o r i g n o r e ) t h a t s c r e w s a r e l o o s e
S c r e w f r a c t u r e

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9
Q

a greater than ______crown to implant ratio did not influence peri-implant crestal bone loss

but ____________was observed on non-splinted side.

A

a greater than 2:1 crown to implant ratio did not influence peri-implant crestal bone loss

but screw-loosening was observed on non-splinted side.

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10
Q

Adequate Mesial - Distal Width:
________is needed to place implant : ______ minimum between adjacent teeth

A

Adequate Mesial - Distal Width:
Interradicular space is needed to place implant : 7 mm minimum between adjacent teeth

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11
Q

ID green

A

palatine aponeurosis (tensor veli palatini, levator veli palatini) palatopharyngeus, palatoglossus, and musculas uvale

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12
Q

______ more difficult to achieve with splinted restorations

A

Framework accuracy more difficult to achieve with splinted restorations

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13
Q

Ball abutment for Overdenture placed where

A

1mm supragingival

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14
Q

benefits of clinical remounts

A

save chair time

reduce post insertion time

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15
Q

where should finger rests be for the custom tray

A

1st molar and 2nd premolar

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16
Q

In vertical growth of the mandible, how can we observe it and measure it

A

During 9-15 years, increase in height measured from cusp tip to inferior border of mandible

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17
Q

the maxillary and mandibular occlusion wax rims are adjusted to ______

A

meet evenly

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18
Q

classify the cross sectinonal ridge form

A

V-shaped

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19
Q

ID 1

A

labial frenum

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20
Q

how large should the handle of a custom tray be

A

9mm height

10 mm width

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21
Q

what happens in failure to correct occlusion before the patient wears

the dentures

A

destruction of the residual alveolar ridges

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22
Q

Laboratory has limited ability to correct any part of abutment

A

Abutment level impression

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23
Q

what severely compromises a denture regarding retention and stability?

A

if FOM is near the level of the ridge crest

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24
Q

Magnitude of horizontal overlap
In Class II patients

-the mandible tends to travel farther _______________ in function than the typical Class I
patient and consequently more ________is necessary to allow for this functional movement.

A

Magnitude of horizontal overlap
In Class II patients the mandible
tends to travel farther anteriorly in
function than the typical Class I
patient and consequently more
horizontal overlap is necessary to
allow for this functional movement.

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25
Q

Any single unit implant crown needs to incorporate an ______

A

Any single unit implant crown needs to incorporate an anti-rotational feature

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26
Q

When can you use two implants to support an FPD?

A

>10 mm in length Chap 13, Rosenstiel)

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27
Q

what is recommended prior to starting interim complete denture?

A
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28
Q

ID 10

A

alveololingual sulcus

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29
Q

Implant supported (“assisted”) Overdenture need _______ support

A

Posterior ridge

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30
Q

Three Types of Complete Denture fracture

A
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31
Q

what remains during border molding

A

WAX SPACER

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32
Q

Residual Ridge Arch Form (House)

A

Class 1: square

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33
Q

Use care in adjusting these retentive areas of a maxillary complete denture

A

hamular notches

lateral aspects of tuberosities

retrozygomatic areas

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34
Q

the difference between the rest vertical dimension and the occlusal vertical dimension

A

interocclusal distance

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35
Q

what interferes with retention in a md complete denture

A

tongue and floor of mouth

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36
Q

during try-in of a complete denture, a dentist notes that a protrusive excursion movement results in the separation of posterior teeth, the problem can be corrected how

A

by simply increasing the compensating curve

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37
Q

in a lingualized denture occlusion set up, This means that from centric occlusion, there should be at least _____of unrestricted movement in any excursive movement.

A

This means that from centric occlusion, there should be at least 2 mm of unrestricted movement in any excursive movement.

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38
Q

Indirect transfer of impression

A

Closed tray

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39
Q

what is indicated in a patient who has excessive tooth contact during speech

A

excessive OVD

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40
Q

id dark red

A

hamular notch

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41
Q

8

A

pterygomandibular notch

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42
Q

determine prognosis

A

excellent

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43
Q

where should contacts be avoided on denture teeth set up

A

no contacts on inclines

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44
Q

•minimum implant diameter is

A

3.0mm

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45
Q

physiologic rest position of the mandible

A

vertical dimension of rest

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46
Q

• increased stress concentration in
middle of complete denture can cause

A

midline fracture

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47
Q

what is a non anatomic tooth form

A

0

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48
Q

denture teeth are arranged with minimal horizontal and vertical overlap to ___________

A

are arranged with minimal horizontal and vertical overlap to minimize dislodging forces during excursive movements

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49
Q

Where are the margins placed for a cement retainer provisionals posteriorly?

A

Level of gingival in the posterior

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50
Q

When to adjust interproximals of a screw-retained implant crown

A

After removing the healing abutment and rinsing with peridex. First thing you do!

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51
Q

denture tooth material

A

polymethylacrylate (PMMA)

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52
Q

HANAU’S QUINT (FIVE FACTORS AFFECTING BALANCED OCCLUSION)

A
  • Condylar inclination
  • Incisal Guidance
  • Occlusal Plane
  • Compensating Curve •

Cusp Inclination

CCCOI

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53
Q

What is an option if the implant is well positioned?

A

Screw retainers provisionals

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54
Q

how to estlablish the occlusal plane for maxillary teeth

A

Mediolateral orientation of the occlusal plane parallels the pupils Anterior portion of rim must be parallel to inter pupillary line

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55
Q

how to determine the hard palate-soft palate junction

A

pinch the pt’s nose and have them attempt to blow air through their nose

have the patient pronounce the word aah or cough

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56
Q

Vertical space requirements for bar and Clip Overdenture for hader Clip and metal

A

1.5mm

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57
Q

If a screw is sufficiently tightened, a blank is developed between the _____

A

Clamping or preload

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58
Q

ID 14

A

displaceable soft and hard palate

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59
Q

in the md denture, the central fossa must

A

the central fossa of md teeth should coincide with the center of the residual ridge

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60
Q

the incisal angle varies depending on the

A

vertical overlap

horizontal overlap

occlusal plane

condylar inclination

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61
Q

what is the problem with this CD pt

A

pt needs surgical reduction of maxillary tuberosities to create adequate interocclusal space for dentrue basaes and teeth

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62
Q

Patients with skeletal Class I relationships
Why horizontal and vertical overlap?

A
  1. We desire to minimize the
    forces applied to the
    mandibular and maxillary
    anterior ridges in centric
    occlusion.
  2. Create the appropriate
    relationship of the maxillary
    and mandibular anterior teeth
    during the production of sibilant
    speech sounds.
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63
Q

ID 5

A

residual alveolar ridge

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64
Q

physiologic, stable orthopedic position

A

CR

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65
Q

phonetic determinant of anterior tooth positioning using

A

phonetic determinant of anterior tooth positioning using “f” & “v” sounds
incisal edges are within the “wet/dry junction of the lower lip”

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66
Q

an interim denture base used to support the record rim material for recording maxillo-mandibular records

A

record bases

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67
Q

Single-tooth implant predicted to have __________and ________ than tooth-supported prosthesis over ________ period

A

Single-tooth implant predicted to have lower lifetime cost and higher success rate than tooth-supported prosthesis over 20 year period

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68
Q

how much clearance between the depth of the tray and the vestibule

A

2mm

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69
Q

what is the benefit of a single tooth implant over an FPD

A

conservation of tooth structure

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70
Q

Which area of the mouth is in general the most straightforward area for
treatment planning and requires the least amount of time for integration?
page 388

A

Anterior mandible

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71
Q

______ at Margin will irritate tissue for implants

A

Subgingival cement

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72
Q

The base of the cast should be __________ at the mid-palatal area (maxillary) and at the disto-lingual area (mandibular)

A

15mm

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73
Q
A

Healing Abutment

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74
Q

When lateral forces cannot be completely eliminated from the implant crown, they should be

A

As evenly distributed as possible

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75
Q

can mask a soft tissue defect with pink porcelain:

A

FPD

RPD

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76
Q

ID 12

A

lingual notch

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77
Q

The original Branemark success rate in the mandible over 15 years has
become the standard against which other implant systems are judged. What is the success rate?

A

91 percent

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78
Q

Main advantage of screw retained implant crown

A

Retrievability

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79
Q

ID 12

A

incisive fossa

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80
Q

An implant crown with excessive interproximal contacts can

A

Place pressure on adjacent teeth that resembles orthodontic forces

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81
Q

how long should denture patients keep out their denture for the final impression appointment

A

24 hours

this allows tissue recovery and keratinization of the edentulous mucosa

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82
Q

Recommended for less than ideal implant angulation

A

Direct impression post (open tray)

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83
Q

in denture teeth, when the laterals are nearly as wide as the CI, indicative of a ______________

A

when the laterals are nearly as wide as the CI, indicative of a strong, masculine appearance

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84
Q

if there is great ridge resorption what is seen intraorally regarding an edentulous pt

A

sublingual and mylohyoid regions spills over the ridge

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85
Q

How to verify passive fit with hybrid prosthesis (fixed detachable denture)

A

Verify passive fit with the one screw test

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86
Q

Prior to obtaining the new centric relation record…
for a clincal remount of a denture delivery

A

Place two cotton rolls on the first molar denture teeth and have the patient close on these cotton rolls for 5 minutes. This allows optimal denture adaptation and seating the PPS area.
4GOQWPVKPIRTQEGFWTGUWUKPI #NWYCZ

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87
Q

debilitated systemically compromised elderly edentulous pt

A

non-anatomic teeth zero degree

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88
Q

id what attaches here

A

superior pharyngeal constrictor

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89
Q

ID 12

A

labial frenum

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90
Q

when selecting an edentulous stock tray for the maxilla what movements should the patient make

A

pucker and smile while seating

relax while it sets

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91
Q

Patients are historically treated with a ______ during years of active growth

A

Removable prosthesis

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92
Q

Need to order correct abutment

A

Disadvantage of abutment level impression

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93
Q

What are two requirements of a fixture level impression

A

Requires placing transfer coping/impression post or fixture mount. Requires hex tool

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94
Q

May require some chair side modification for this impression technique

A

Abutment level impression

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95
Q

advantages of maryland bridge

A

requires minimal tooth preparation

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96
Q

for the laboratory remount, how to equilibrate in centric

A

Equilibrating in centric: confine your initial reductions to cusp inclines, central fossae and marginal ridges.

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97
Q

Residual Ridge Form Cross Sections

A

flat

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98
Q

inadequate interocclusal distance = what

A

excessive VDO

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99
Q

Minimal resorption of edentulous mandible with an 8-9 mm crown will allow for what types of prosthesis

A

Metal ceramic restoration

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100
Q
A
  1. impression post
  2. laboratory analog
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101
Q

GOALS OF COMPLETE DENTURE OCCLUSION

A

Bilateral contacts in centric occlusion
Bilateral eccentric contacts (balance) to provide stability of the denture bases during function

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102
Q

Vertical space requirements for bar and Clip Overdenture

A

15-18mm

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103
Q

Indirect impression post

A

Closed tray

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104
Q

what is the secondary stress bearing area of the edentulous mandible

A

crest of the residualr ridge

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105
Q

ID 7

A

lingual frenum

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106
Q

Keys to Osseointegration

A

Atraumatic surgery (<47 degrees) 1 mm, B and L at crest No micromovement Adequate healing time (3-6 months)

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107
Q

Anterior implant restorations can share ________

A

Anterior implant restorations can share some anterior
guidance.

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108
Q

6

A

genioglossus

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109
Q

ID 13

A

lip musculature

depressor labi inferioris

incisivus labii inferiorus

mentalis and obicularis oris

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110
Q

ID 6

A

residual alveolar ridge

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111
Q

____________cannot be maintained without __________of the denture on the PPS area

A

Retention of the denture cannot be maintained without tissue contact of the denture on the PPS area

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112
Q

the expected average interocclusal distanve is _____ but may be _____ in retrognathic patients

or _____ in prognathic patients

A

3mm

greater-retrognathic

less-prognathic patients

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113
Q

ID 13

A

rugae

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114
Q

most favorable residual ridge form

A

U0-shaped

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115
Q

a line drawn through the posterior extent of the incisive papilla, perpendicular to the midline is what

A

cusp tips of the canine

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116
Q

Local vertical growth of anterior maxilla can be inhibited my implant placement t

A

FALSE

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117
Q

Most common soft tissue complication of early implant placement

A

Fistula

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118
Q

___________ should be the primary
option when replacing a single missing
tooth, especially when the adjacent
teeth are sound.

A

Dental implants should be the primary
option when replacing a single missing
tooth, especially when the adjacent
teeth are sound.

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119
Q

Advantage of cement retained crown

A

Corrects the angulation of an implant

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120
Q

Splint or Not to Splint? Implant length
Earlier clinical studies reported lower success rates for implants at how many mm.

A

Splint or Not to Splint? Implant length
Earlier clinical studies reported lower success rates for implants < 10 mm.

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121
Q

fixed factor affecting balanced occlusion

A

condyle path

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122
Q

what is stable centric

A

simultaneous bilateral contacts of opposing posterior in centric occlusion

(any remaining natural posterior and artifical teeth contact simultaneously)

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123
Q

maxillary record base must be ___________

A

maxillary record base must be retentive stable (no rocking) rigid

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124
Q

ID 13

A

region of mylohyoid eminence

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125
Q

how much horizontal overlap b/w maxillary wax rim and mandibular wax rim

A

1-2mm

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126
Q

Disadvantage of cement retained crown

A

If the crown needs removal it cannot be removed and it may need to be sectioned and removed

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127
Q

_______is an ideal option for distal extension

•______ is definitely not an option

A

Implant is an ideal option for distal extension

•FPD is definitely not an option

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128
Q

In the natural dentition, the anterior teeth disengage the posterior teeth in _____________ thus establishing a ____________________.

A

In the natural dentition, the anterior teeth disengage the posterior teeth in all mandibular excursive movements thus establishing a mutually protected articulation.

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129
Q

Implant fixtures remained stable and did not move with adjacent teeth

A

True

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130
Q

Importance of an acceptable surgical guide

A

Proper depth for emergence profile

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131
Q

what is this an example of

A

lingualized occlusion

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132
Q

analyze diagnostic casts for an immediate denture using

A
  • undercuts
  • exostoses -

torus

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133
Q

establish facial contours by providing propher support of the lips and cheeks

A

R E C O R D B A S E S
Occlusion Wax Rims

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134
Q

Where to place lining if TNE

A

Thin lining on the axial walls of the internal surface of the crown

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135
Q

Why is establishing bilateral balancing contacts so important in complete dentures?

A

to lessen the displacement and rotation of the denture bases in relation to the supporting structures, as these lead to soreness, inflammation and accelerated bone loss of the residual ridges.

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136
Q

ID 11

A

sublingual caruncles

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137
Q

Screws directly into fixture

A

Abutment

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138
Q

what is this an example of

A

fixture level final impression

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139
Q

what is this

A

Ball Abutment Overdenture

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140
Q

The cuspid has two planes on the labial surface – a __________ and a ___________. When viewed from the anterior only the_______________should be visible.

A

The cuspid has two planes on the labial surface – a mesial plane (yellow line) and a distal plane (red line). When viewed from the anterior only the mesial plane should be visible.

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141
Q

anterior portion of the maxillary rim is adjusted for ____________

A

anterior portion of the maxillary rim is adjusted for phonetics and esthetics

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142
Q

CDs opposing natural dentition
require _______ to in order to grind in the occlusion.

A

CDs opposing natural dentition
require a cusped to in order to grind in the occlusion.___

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143
Q

the function of the compensating curve during denture teeth set up is what

A

it provides a balanced occlusion

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144
Q

Regular impression can be done with or without retraction cord

A

Advantage of abutment level impression

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145
Q

Most implant systems recommend torque in the range of

A

25 NCm. However verify with system used

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146
Q
A

denture reline

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147
Q

green areas should be

orange areas should be

A

green areas 0.5mm

orange areas 1mm

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148
Q

well-adapted dentures move ________ which is consistent with tisssue displaceability

A

1-2mm

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149
Q

classify angle

A

retrognathic

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150
Q
A

lab analog

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151
Q

Contraindications to implants in younger PT

A

Child unable to perform oral hygiene Not enough bone Parents unrealistic Prior to skeletal maturity except in complete anodontja in the ectodermal dysplasia pt Presence of adjacent primary teeth

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152
Q

_______ dictates the treatment options for the edentulous patient.

A

Bone resorption

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153
Q

Maxillary Occlusion Wax Rim Measurements

Frontal View:

A

Frontal View: 22 mm

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154
Q

distal limit of the buccal vestibule

A

hamular notches

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155
Q

major inadequacies in what needs a new denture should be made

A
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156
Q

What type of cement is recommended for a cement-retained implant
crown to allow for future retrieval of the restoration if needed?

A

Interim cements, although an unpredictability of the interim luting agents can
lead to a difficult retrieval or premature displacement

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157
Q

what negative effect can happen with ill-effects of excessively displaced impression

A

bone resorption, tissues are deprived of normal blood supplh

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158
Q

ID this specifically

A

ball abutment overdenture

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159
Q

ID 7

A

area of tuberosity

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160
Q

what two areas in the mandible dont resorb

A

retromolar pad

buccal shelves

both are dense cortical bone and have muscle attachements

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161
Q

ID 8

A

pterygomandibular raphe

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162
Q

CAD/CAM guides may make a bigger difference compared to conventional implant guides when

A

CAD/CAM guides may make a bigger difference when several implants are treatment planned.

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163
Q

Splint or Not to Splint? Conclusion
Splinting may be significant for very _______implants featuring _________ clinical evaluation was recommended

A

Splint or Not to Splint? Conclusion
Splinting may be significant for very short implants featuring internal connections, clinical evaluation was recommended

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164
Q

Complete Dentures: 5th Appointment

(Wax try-in) Check List (4)

A

Check teeth set-up (esthetics, occlusal plane and phonetics)
• Verify vertical dimension of rest, function, occlusion

  • Verify centric relation registration (same as on articulator)
  • Obtain patients’ final approval
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165
Q

Occlusal plane parallel to the ala-tragus line also known as

A

Camper’s line

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166
Q

Ball abutments (O-Rings) require _______ plus the prosthesis.

A

10mm vertical height

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167
Q

triangular pad of tissue at the distal end of the residual ridge

A

retromolar pad

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168
Q

the distance between the occluding surfaces of the maxillary and mandibular teeth when the mandible is a specified position

A

interocclusal distance

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169
Q

describe older males line of curvature

A

older males: less curvature, flatter smile line

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170
Q
A

LAB ANALOG

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171
Q

edentulous pt with poor residual ridges (flabby ridges) what type of teeth

A

non anatomic teeth (0 degree)

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172
Q

Screws onto impression post

A

Lab analog

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173
Q

name angle

A

33 degrees

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174
Q

a doulbe phase surgical schedule

A

extractions are staged with posterior extracted first

leave one definitive tooth contact on either side-1st PM (maintain VDO)

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175
Q

what are risks of having casts that dont follow the recommended requirements

A

THEY BREAK

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176
Q

Eliminate ________ on posterior
implants

A

Eliminate working and balancing contacts on posterior
restorations.

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177
Q

Clinical Vertical Space for Implant Restoration:
posterior

A

> or equal to 8mm occlusal plane of the opposing arch to crest of the ridge

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178
Q

how short should the custom tray be

A

2-3mm short of the vestibule

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179
Q
A

DIRECT IMPRESSION POST FOR OPEN TRAY

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180
Q

Splint or Not to Splint? Abutment connection?
Internal connections:
increased ______

A

Splint or Not to Splint? Abutment connection?
Internal connections:
increased joint stability

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181
Q

Accepts laboratory analog

A

Impression post

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182
Q

most favorable ridge form for retention and stability

A

U-shaped

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183
Q

OCCLUSION OF MAXILLARY COMPLETE DENTURES OPPOSING RPDS

A

• Bilateral contacts of opposing posterior teeth in centric
occlusion

• Bilateral balanced occlusion in eccentric positions

• Simultaneous protrusive contacts when possible but
not at the expense of appearance, phonetics or
favorable occlusal plane

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184
Q

maxillary lingual cusps should be centered over this line

A

center of the posterior residual line

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185
Q

One potential complication with implant crowns is screw loosening. What
are the possible causes of loose restoration retaining screws? page 421 (Box 13-4)

A

• Excessive occlusal contacts not in the long axis of the implant body
• Excessive cantilever contacts
• Excessive lateral contacts
• Excessive interproximal contacts
3
• Inadequately tightened screws

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186
Q

what types of tooth contacts should be seen on the balancing side in a lingualized denture tooth set up

A

maxillary lingual cusps and the lingual inclines of the mandibular buccal cusps.

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187
Q

how do we pick teeth based on the lingualized tooth scheme for denture occlusion

A

The basic scheme is to use a steeper cusped tooth on the maxillary and a lower or flat plane tooth scheme on the mandibular

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188
Q

what are alll of these

A

abutment

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189
Q

it is the position to which the mandible returns to at the end of chewing and swallowing strokes

A

centricl relation

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190
Q

what lesions are commonly seen in the buccal mucosa of edentulous patients

A

fibroms, cheek biting

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191
Q

in denture teeth when the laterals are narrower than
average, indication of a__________

A

when the laterals are narrower than
average, indication of a feminine or delicate arrangement

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192
Q

Historically, reports of screw- loosening at high frequency with ________

A

Historically, reports of screw- loosening at high frequency with external hex connection

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193
Q

Vertical space requirements for bar and Clip Overdenture for denture teeth

A

8mm

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194
Q

Maximizing ______ without exceeding the ______ of the screw stabilizes the screw joint and offers protection against _______

A

Maximizing preload without exceeding the yield strength of the screw stabilizes the screw joint and offers protection against screw loosening.

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195
Q

name angle

A

20

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196
Q

Domed screw in place only after second stage surgery and before prosthesis placement

A

Healing Cap/Abutment

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197
Q

what is wrong with this implant

and how to avoid this in the future

A

Excessive cantilever contacts
Minimize occlusal table width

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198
Q

ID 6

A

alveolar groove

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199
Q

Single tooth RPD:
why not a great idea to use?

A

•large amount of metal for the functional
replacement of one tooth
•compliance is historically not favorable

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200
Q

Treatment planning for a single tooth implant, particularly in the esthetic
zone (anterior maxilla), can be one of the most challenging situations. What is the ideal relationship of interdental bone to position of interproximal contacts to predict whether interdental papilla will be present or not? page 393 Fig. 13-19

A

• If interdental bone to interproximal contact distance is short (5 mm or less), a
papilla is usually present. • If interdental bone to interproximal contact distance is long (8 mm or greater),
a papilla is normally not present without additional soft tissue grafting.

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201
Q

Disadvantages / Cantilever bridge

A

l tooth preparation required

l introduces lateral forces

l biomechanics more stabile with support on two ends of FPD

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202
Q

how are the distal aspects of canines matched on edentulous patients

A

canines
are transferred to the occlusion rim as lines through the pupils of the eyes or as lines extending from the ala of the nose

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203
Q

over extension of the hamular notches causes what

A

imflammation, pain

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204
Q

classify angle

A

1, normal

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205
Q

this plane of occlusion is at or slightly below the corners of the mouth

A

md rim height

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206
Q

FPD negatives

A

expense

ridge resorption

requires preparing adjacent teeth

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207
Q

When to adjust cement retained implant crown

A

After seating the crown and exposing a pA.

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208
Q

Shade Selection
for anterior teeth

A

• Look at shade tabs under upper lip for 10-15 seconds at a time

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209
Q

what is the issue here

A

impingement of the coronoid process in lateral excursive movements

intereferences lead to pain and dislodging of the denture

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210
Q

Clinical vertical space for implant restoration posteriorly

A

>= to 8 mm (measured by occlusal plane of the opposing arch to the crest of the ridge)

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211
Q

Option 1-Implants
positives

A

§ Fixed

§ Maintain bone

§ Esthetic

§ No damage to adjacent teeth

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212
Q

goals of selective grinding of a denture

A

obtain evenly distributed centric contacts on central fossa and marginal ridges

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213
Q

what is fully balanced occlusion

A

simultaneous posterior/anterior contacts in lateral/protrusive excursions

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214
Q

secondary centric holding cusps for complete dentures

A

md buccal cusps (only grind if there is a balancing side interference)

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215
Q

In most patients the labial surface of the mandibular incisors should be roughly_________

A

In most patients the labial surface of the mandibular incisors should be roughly perpendicular to the occlusal plane.

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216
Q

for a mandibular preliminary impression, what movement should the patient make

A

protrude tongue and touch upper lip

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217
Q

Accepts laboratory analog

A

Indirect impression post (closed tray) Direct impression post (open tray)

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218
Q

ID 10

A

buccinator

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219
Q

for a edentulous pt with good residual ridges and good neuromuscular control what type of teeth should be selected

A

anatomic and semi anatomic teeth

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220
Q

which occulsal scheme can be balanced or non-balanced

A

monoplane

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221
Q

Determination of Midline & Width of Six Maxillary Anterior Teeth

A

• Measure from canine line to canine line to determine the width of
the anterior 6 teeth on a curve

Select anterior teeth that correspond to this measurement

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222
Q

whats wrong with this impression

A
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223
Q

ID 2

A

labial vestible

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224
Q

ID 8

A

pytergomandibular raphe

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225
Q

how far should the mandibular stock trays extend

A

slightly posterior to the retromolar pad

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226
Q

What conditions are important for follow up regarding complete dentures

A

uncontrolled HTN, DM II

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227
Q

what develops the preload

A

applied torque develops the preload

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228
Q

What achieves clamping or preload

A

Torque wrenches

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229
Q

What is difficult to achieve with cement retained provisionals

A

Marginal integrity

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230
Q

Direct transfer of impression

A

Open tray

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231
Q

which implant is indicated with a reduced interarch distance

A

screw retained implant

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232
Q

variable factors affecting balanced occlusion

A

incisal guidance

cusp height

compensating curve

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233
Q

How does the posterior growth compare to the anterior growth at the midpalatal suture

A

4 years to adult Increase in posterior 3x greater than anterior

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234
Q

What can compromise esthetics

A

Improper alignment of implants

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235
Q

Restorative doctor may receive case from surgeon with abutment in place with this impression procedure

A

Abutment level impression

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236
Q

How does the maxilla grow vertically

A

Passive displacement of maxilla by lowering of the sutures Apposition of bone on the maxillary alveolus as permanent teeth erupt

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237
Q

5

A

mylohyoid muscle

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238
Q

he ____________must be filled in completely to enhance the peripheral seal of the record base and improve retention for record base fabrication

A

he depth of the vestibules must be filled in completely to enhance the peripheral seal of the record base and improve retention

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239
Q
A

UCLA abutment

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240
Q

Retention of the mx denture cannot be maintained _____________

A

Retention of the denture cannot be maintained without tissue contact of the denture on the PPS area

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241
Q

Where are the margins placed for cement retained provisionals in the anterior

A

1mm subgingical in the anterior

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242
Q

confirming
low incisal guidance

A

slight contact (without real interference) should be observed when the articulator latch is released and the teeth are moved into a protruded position

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243
Q

FPD positives

A

§ Prevents shifting of
adjacent teeth

§ fixed

§ Esthetic

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244
Q

2

A

buccinator

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245
Q

requires placing the impression post in the implant fixture

A

fixture level impression

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246
Q

solution to a midline fracture of maxillary Complete denture

A
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247
Q

ID 9

A

masseter

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248
Q

how does the maxilla resorb

A

upward and inward

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249
Q

in a complete denture set up, the The incisal edges of the maxillary centrals must be ______below the mandibular wax occlusion rim. This will result in a_____vertical overlap with the mandibular central incisors.

A

1 mm

1 mm vertical overlap w

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250
Q

ID 11

A

buccal frenum

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251
Q

An open interproximal contact can lead to

A

Food impaction Resulting periodontal concerns

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252
Q

Hyperactive FOM has what effect on an ednetulous pt receiving dentures

A

reduces retention and stability

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253
Q

ID 12

A

lingual frenum

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254
Q

Adjusting/verifying occlusion for cement retained crowns begins with

A

Shin stock

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255
Q

advantages of implant

A

more stable

longer life expectancy

easier for pt to keep clean

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256
Q

WHAT IS THE KEYSTONE TO POSTERIOR OCCLUSION IN THE 33 DEGREE SETUP FOR DENTURE TEETH

A

33° SETUP – THE FIRST MOLAR RELATIONSHIP IS THE KEYSTONE TO POSTERIOR OCCLUSION

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257
Q
A

tapered abutment

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258
Q

6

A

genioglossus muscle

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259
Q

______ allows for tissue replacement with acrylic

A

RPD allows for tissue replacement with acrylic

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260
Q

Why in some cases are Panoramic or PA’s not sufficient to implant placement?

A

• Critical bone height • Mandibular canal course unclear • Knife edge ridge

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261
Q
A
  1. 4-5 mm
  2. 15mm
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262
Q

what type of set up is this

A

balanced 0 degree

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263
Q

The three landmarks used to determine the
plane of occlusion are :

A

• The midpoint of the retromolar pads bilaterally as
previously marked on the mandibular cast.

• The incisal edge of the maxillary central incisors

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264
Q

For mandibular denture stability, tooth contacts
must be placed on the

A

For mandibular denture stability, tooth contacts
must be placed on the RR parallel to the OP
residual ridge

OP: occlusal plane

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265
Q

ID

A

metal-resin fixed maxillary denture

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266
Q

maximum posterior extent of the maxillary denture

A

hamular notches

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267
Q

When delivering an implant crown, the restoration screw should be
tightened with sufficient force to seat the crown, but not so much as to
affect the bone implant interface. What instrument is used to achieve this?
page 421

A

Torque wrenches

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268
Q

MAXILLARY NATURAL DENTITION OPPOSING MANDIBULAR DISTAL EXTENSION

A

4) MAXILLARY NATURAL DENTITION OPPOSING MANDIBULAR DISTAL EXTENSION • Working side contacts – simultaneously with existing
natural teeth •

Balancing and protrusive contacts are avoided since
they do not help stabilize a lower RPD

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269
Q

indicated when acrylic
will improve appearance
(excessive bone loss)

A

RPD

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270
Q

what are 0 degree teeth undesirable for maxillary

A

0° Maxillary teeth leave a step behind the canines and a flat buccal corridor which looks unnatural.

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271
Q

Any single unit implant crown needs to incorporate an

A

an anti-rotational feature

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272
Q

How much transverse growth is measured in the mandible in the 2nd molars

A

2mm

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273
Q

Hybrid prosthesis 1, 2, 2.7mm, and 3mm times AP spread requires what length implants

A

7mm, 15mm, 18mm, and 20mm

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274
Q

what length implants get a benefit from splinting

A

<10mm

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275
Q

lines through the pupils of the eyes dictate what

A

canines

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276
Q

Vertical height required for ball and locators

A

18mm vertical height required

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277
Q

resin retained fixed partial denture

A

(Maryland bridge)

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278
Q

denture base convexities lead
to _____________

A

denture base convexities lead to healing defects

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279
Q

temporary reline material

A

tissue conditioner

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280
Q

a prominent compensating curve is required when there is a ________ associated with a ___________

A

a prominent compensating curve is required when there is a steep condylar path associated with a low degree of incisal guidance

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281
Q

Mandibular growth anterior posteriorly

A

Grows in length at condyle and Ramus

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282
Q

Directly supports prosthesis

A

Abutment

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283
Q

Conylar Guidance is dictated by

A

Conylar Guidance is dictated by Patient Anatomy

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284
Q

ID 4

A

buccal vestibule

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285
Q

ID

A

standard abutment

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286
Q

Everyday implant prosthetic dentistry complications

A

Screw loosening Screw fracture Abutment fracture

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287
Q

Screw access is sealed how

A

By placing a composite

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288
Q

what type of position should the pt be in when determining the VDO

A

patient must be in upright position

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289
Q

ID 2

A

retromylohyoid

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290
Q

what should the land area be for a complete denture final impression

A

4-5mm

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291
Q
A

LINGUALIZED 0 DEGREE SETUP

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292
Q

What may reduce the potential for soft tissue irritation in cement retained provisional?

A

Non-Eugenia cements

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293
Q

ID 3

A

temporalis m.

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294
Q

Inadequate irrigation can lead to

A

Inadequate irrigation can lead to overheating bone and implant loss

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295
Q

What are considered debilitating diseases regarding complete dentures?

A

Parkinson’s, Dyskenisias

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296
Q

a retracted or retruded tongue is seen in what % of edentulous patients

A

35%

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297
Q

When do we develop soft tissue contours for implants

A

Stage 2 (uncovery) stage

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298
Q

On average, the distance from the center of the incisive papilla to the labial surface of the central incisor is

A

On average, the distance from the center of the incisive papilla to the labial surface of the central incisor is 8-10 mm

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299
Q

The occlusal portion of the rim
should have the following width:

a) Molar region -
b) Premolar region -
c) Anterior region -

A

a) Molar region - 8-10 mm
b) Premolar region - 5-7 mm
c) Anterior region - 3- 5 mm

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300
Q

Fixed Detached Implant Supported Denture (hybrid) dictates how many implants in mandible

A

4-5

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301
Q

2

A

labial flange

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302
Q

the md occlusal plane is located a t a height near the corners of the mouth such that the md teeth are slightly

A

visible with a “lips apart/mouth breathing” posture

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303
Q

When is transverse growth completed in females

A

15

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304
Q

This type of implant prosthesis uses cantilever length

A

Hybrid prosthesis (fixed detachable denture)

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305
Q

what is wrong with this picture

A

inadequate relationship between maxillary and mandibular wax rims

posterior “heeling”

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306
Q

RPD negatives

A

1) alot of metal to replace 2 teeth

ridge resorption

rest seat prep on natural tooth

does not feel permanent

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307
Q
A

FIXTURE (IMPLANT BODY) •

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308
Q

Restoration options for edentulous mandible

A

Ball/Locator Overdenture Bar Overdenture Hybrid Restoration Fixed (PFM) Restoration

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309
Q
A

epulis fissuratum (denture epulis) AKA inflammatory fibrous hyperplasia

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310
Q

what is a non-balanced occlusal scheme

A

canine guidance/group function

anterior guidance

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311
Q

what is this an example of

A

implant failure

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312
Q

OCCLUSION FOR TOOTH-SUPPORTED RPDS

A

• Bilateral contacts of opposing posterior teeth in centric
occlusion

• Excursive movements similar to a natural dentition
(canine guidance or group function) Balance not
important here.

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313
Q

Skips the abutment and attaches restoration directly to the fixture

A

UCLA abutment

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314
Q
A

rebasing

requirement: denture teeth must be in good condition and have adequate tooth contacts

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315
Q

md anterior teeth positioned beyond the center of the vestilbe will result in

A

Positioned beyond this point will result in
denture instability and undesirable cantilever
forces.

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316
Q

Id 4

A

buccal vestibule

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317
Q

What radiographic images are required?
for implants

A

•panorex (initial screening)
•periapicals (proximity of adjacent roots)
•CBCT (detailed assessment of ridge
width and proximity to vital structures)

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318
Q

What area in the mouth has more destructive lateral forces

A

Posterior

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319
Q

Splint or Not to Splint? Implant length
Earlier clinical studies reported lower success rates for implants < _____

A

Splint or Not to Splint? Implant length
Earlier clinical studies reported lower success rates for implants < 10 mm.

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320
Q

what is this and how much height does it need

A

locator overdenture abutment

locators require 7mm vertical height + the teeth

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321
Q

Radiographic measurements from a CBCT: _____ buccal and _____ lingual cortical plate plus the smallest diameter implant ___) = _____ radiographic width required

A

Radiographic measurements from a CBCT: 1mm buccal and 1mm lingual cortical plate plus the smallest diameter implant (3mm) = 5 mm radiographic width required

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322
Q

distance between maxilla and mandible when teeth or wax rims contact in centric position

A

vertical dimension of occlusion (VDo)

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323
Q

Complete dentures receive their retention, stability, and support from the ______________

A

Complete dentures receive their retention, stability, and support from the soft tissues overlying residual bone.

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324
Q

what type of treatment does this dicate

A

RPD

325
Q

Accelerated Implant Loading Protocols
EARLY LOADING

A

EARLY LOADING Less than 3 months

326
Q

What do we do when we have an accurate VDO but inaccurate centric relation record?
for esthetic try in of a denture

A

Take a new CR record at the VDO & R E M O U N T

327
Q

SEATING
of a surgical stent
Reduce areas of __________: indicate ___________still needed

A

SEATING
of a surgical stent
Reduce areas of blanching of the ridges: indicate bone removal still needed

328
Q

Lingualized Occlusal Scheme
Dominant Centric Contact:

A

• Maxillary lingual cusp articulates with
central fossa/ margin ridge of mandibular
posterior teeth

329
Q

determine prognosis

A

good

330
Q

How long do resin retained bridges last?

(maryland bridge)

A

5-year survival rate (loss of retention)
approx 70%

331
Q

Attached prosthesis to implant in UCLA

A

Retaining screw

332
Q

Vertical growth of mandible occurs as

A

Permanent teeth erupt

333
Q

As viewed from the lateral
perspective, the rim should
project _____________

A

As viewed from the lateral
perspective, the rim should
project anteriorly to just beyond
the outer edge of the land area
of the cast

334
Q

Flat sides orient anti-rotational feature

A

Impression Post

335
Q

When to adjust occlusion of screw retained implant crown

A

After adjusting interproximal contacts, then taking Pa

336
Q

whats wrong with this impression

A

nothing it’s beautiful1

337
Q

what type of teeth should be selected for the edentulous patient with Severe arch discrepancies (severe
Class II and Class III-reverse articulation)

A

non anatomic teeth 0 degrees

338
Q

Check denture base with ___________

A

Check denture base with pressure-indicating paste (PIP)

339
Q

in wax occlusion rim fabrication the borders______________________

A

the borders fully extend into the depth of the vestibule without any voids

340
Q

Position Implants in______

A

Position Implants in Line with Force

341
Q

Antirotation is required for this implant system

A

Screw retained implant crown

342
Q
A

waxing sleeve

343
Q

ID 10

A

fovea palatinae

344
Q

what type of tooth contacts should be seen on the working side on a lingualized denture tooth arrangement

A

lingual inclines of maxillary lingual

buccal inclines of md lingual csups

345
Q

which occlusal schemes should be balanced

A

anatomical and lingualized occlusion

346
Q

Abutment collar height for ball abutments

A

2mm, 4mm, 6mm

347
Q

id area

A

labial and buccal vestibule

348
Q

The lingual concavity also facilitates ______ of the mandibular denture.

A

This lingual concavity also facilitates stability of the mandibular denture.

349
Q

Accuracy of maxillomandibular relationships: Clinical Checks for Centric Relation Verification

A

The maxillary and mandibular midlines coincide

Absence of premature/deflective contacts
• Equal amount of posterior horizontal overlap, bilaterally
Posterior teeth contact simultaneously, bilaterally

350
Q

________ is common
in buccal mucosa for edentulous patients

A

Loss of muscle tonicity & overlapping is common

351
Q

What material are most root form implants made from?

A

Titanium or titanium alloy with or without hydroxyapatite coating

352
Q

Clinical should delay implants in growing pts until what phase

A

Post pubertal phase

353
Q

•in general, the minimum implant length

A

8mm

354
Q

Lingualized Occlusion: ____________________ is the dominant functional element occluding against the corresponding portion of the mandibular tooth.

A

Lingualized Occlusion: Maxillary lingual cusp is the dominant functional element occluding against the corresponding portion of the mandibular tooth.

355
Q

what is this

A

“Lingualized occlusion

356
Q

OCCLUSION OF MAXILLARY COMPLETE DENTURES OPPOSING RPDS

A

Bilateral contacts of opposing posterior teeth in centric
occlusion
• Bilateral contacts of opposing posterior teeth in centric
occlusion • Bilateral balanced occlusion in eccentric positions

• Simultaneous protrusive contacts when possible but
not at the expense of appearance, phonetics or
favorable occlusal plane

357
Q

Requires that the tray used for the impression be modified to allow for the screw to extend through the tray

A

Direct impression post (open tray)

358
Q

List potential complications that can occur during the surgical phase of implant treatment

A

Poor healing Improper angular ion Damaging a nerve Swallowing/dropping a part

359
Q

what is a semianatomic tooth form

A

Semianatomic
• 10°, 20°, 22°

360
Q

LABEL 1-5

A
  1. HARD -SOFT PALATE JUNCTION
  2. HARD PALATE
  3. AREA OF SOFT PALATE COVERAGE
  4. VIBRATING LINE
  5. HAMULAR NOTCHES
361
Q

Usually brass, aluminum or steel

A

Lab analog

362
Q

in a lingualized denture tooth arrangement, what type of contact should be seen on protrusive

A

In a protrusive movement, the potential for contact should exist between the
maxillary lingual cusps and the occlusal of the mandibular teeth.

363
Q

md anterior teeth placement

A

not be placed beyond the center of the vestibule

364
Q

Accelerated Implant Loading Protocols
IMMEDIATE LOADING

A

IMMEDIATE LOADING First Week

365
Q

Maxillary Occlusion Wax Rim Measurements

Posterior View:

A

8mm

366
Q

classify the residual ridge arch form (house)

A

class 2: tapered

367
Q

ID 11

A

median palatal raphe

368
Q

Single tooth implant vs FPD: •_________ appears more natural

A

Single tooth implant vs FPD: •emergence profile appears more natural

369
Q

what to make sure that the custom tray covers for the mandibular edentulous impression

A

retromolar pad

buccal shelves

370
Q

what movement to tell a patient when making a centric relation record

A

curl your tongue all the way back on the roof of your mouth and closed slowly

371
Q

ID 9

A

area of posterior palatal seal

372
Q

Represents either top of implant or top of abutment in cast

A

Lab analog

373
Q

classify the residual ridge arch form (house)

A

class 3: ovoid

374
Q

classify the cross sectional residual ridge form

A

rounded

375
Q

if maxillary tuberosities are too enlarged with fibrous tissue for a CD pt, what needs to be done

A

surgical reduction

376
Q

ID 4

A

buccal notch

377
Q

No Intra oral preparation of this impression

A

Fixture level impression

378
Q

2

A

buccal shelf

379
Q

Implants are usually contraindicated prior to skeletal maturity except for one condition

A

Complete anodontja in the extodermal dysplasia patient

380
Q
A

Healing Abutment

381
Q

anatomical landmarks for occlusal plane determination and tooth position

A

mark a line on the land area that bisects the middle of the retromolar pad and is continuous with the center of the residual ridge

mark a line of the land area that represents the mandibular occlusal plane, should be placed at the 1/2-2/3 the ht of the RMP

382
Q
A

HAMULAR NOTCHES

383
Q

how should the handle of a custom tray be designed

A

45 degrees (so it doesnt impinge on the vestibule or lips)

384
Q

formula for balanced occlusion

A

(CONDYLAR GUIDANCE X INCISAL GUIDANCE)

____________________________________________________
OCCLUSAL PLANE X CUSP INCLINATION X COMPENSATING CURVE

385
Q

Component that is surgically placed into bone

A

Implant fixture

386
Q

what type of set up is this

A

balanaced 0 degree set up

387
Q

what is the equation for VDR

A

VDO + interocclusal distance

388
Q

What is an important factor in fabrication of provisional crowns

A

Implant position

389
Q

Shimstock works best with

A

Placed in pair of hemostats

390
Q

how deep should the peripheral roll be

A

2-3 mm

391
Q

Single tooth implant cost an average of $261 more than FPD in US, but success rate at 10 years was _____________ higher

A

Single tooth implant cost an average of $261 more than FPD in US, but success rate at 10 years was 10.4% higher (91.7 % vs 81.3%)

392
Q

When two or more implants are connected together (splinted), what is selected

A

A non-engaging abutment is selected that does not engage the antirotational features of the abutment

393
Q

ID 5

A

coronoid contour

394
Q

During the production of the Sibilant sounds during esthetic try in of a denture

A

During the production of the Sibilant sounds:
a) The anterior and posterior teeth should not touch b) Incisors should approach an end to end relationship c) There should be no hissing or air loss

395
Q

Denture Reline Procedures using Tissue Conditioner
Its main faults include:

A

rapid deterioration
discoloration
rapid loss of resiliency

396
Q

•Following the loss of teeth, bone resorption is from l____________

l •Therefore anterior teeth should NOT be placed____________

A

•Following the loss of teeth, bone resorption is from labial towards the lingual •Therefore anterior teeth should NOT be placed directly over the ridge

397
Q

the conylar inclination measures the steepness of the

A

articular eminence

398
Q

what gender has a greater curvature of a smile line

A

females

399
Q
A

BALANCED 0° SETUP - LATERAL MOVEMENTS
RT LFT

400
Q

immediate dentures

_____________ surfaces are desired on the master cast
do not create _________________on cast!

A

smooth + convex surfaces are desired on the master cast
do not create socket concavities on cast!

401
Q

what can causes errors in denture occlusion

A

inaccurate maxillomandibular relation records

errors in transfer of maxillomandiublar relation records to articulator

ill-fitting temporary record bases

402
Q

1

A

retromolar pad

403
Q

3

A

4-6mm

404
Q

Moderate resorption with space like 10-14 mm in edentulous patients will allow for what type of prosthesis

A

Resin to metal restoration

405
Q

Which denture do we reline first? Maxillary or mandibular?

A

the less stable of the two is relined first

406
Q

if a record base is slighlty loose, what to do?

A

Use denture adhesive if slightly loose

407
Q

the primary reason for a PPS

A

the primary reason for a PPS is to compensate for the shrinkage of the acrylic resin (7%) that occurs during denture processing procedures

408
Q

whats wrong with this impresssion

A

excessive burnthrough

409
Q

what resorbs faster, edentulous mx or md? by how much

A

md resorbs 4x faster

410
Q

helps establish occlusal plane anteriorly and posteriorly
during wax rims

A

Trubyte Fox Occlusal Plane Plate

411
Q

ID area

A

labial and buccal frena

412
Q

what is a lingualized balanced occlusion

A

Lingualized – a balanced occlusion that uses the
lingual cusp of uppers to guide all contacts in lateral
and protrusive excursions.

413
Q

Vertical space requirements for bar and Clip Overdenture for ____ bar

A

3mm

414
Q

what is key in edentulous final impressions

A

AADEQUATE RETRACTION

415
Q

Medical history contraindications for single tooth implant

A

Acute terminal illness Uncontrolled metabolic disease Pregnancy IV anti-resorption drugs Previous irradiation of implant site APP U and I

416
Q

For cement retained crowns, what common material of choice is used

A

A material called Fermit-single component composite, easy to remove

417
Q

when recessing a socket for a immediate denture on a cast, how much to do?

A

1mm

418
Q

primary centric holding cusps in dentures

A

mx lingual cusps

419
Q

Viewed from the facial perspective, the maxillary central incisor is placed so that the long axis shows a ________________to the perpendicular.

A

Viewed from the facial perspective, the maxillary central incisor is placed so that the long axis shows a slight distal inclination to the perpendicular.

420
Q

how to determine mandibular rim height (2) (second one is useful)

A

1) use of the retromolar pads (half to 2/3ds the height) as the posterior landmark
2) corners of the mouth (lower) as the anterior landmarks for reference points

421
Q

5) MAXILLARY BILATERAL DISTAL EXTENSION OPPOSING NATURAL TEETH OR LOWER RPD

A

Bilateral Balanced Occlusion when possible

• Helps stabilize the maxillary RPD where teeth are often
set lateral to the ridges

422
Q
A

18mm

423
Q

ID 1

A

mylohyoid m.

424
Q

When diagnosing and treatment planning a single-tooth implant supported restoration, what are the basic requirements?

A

Space for planned restoration Hard tissue quantity/anatomy Soft tissue health

425
Q

determine prognosis

A

very poor

426
Q

ID

A

maryland bridge

427
Q

the higher the steepness of the articular eminence the

A

the higher the cusp degree the for the posterior teeth selected

428
Q

wax display at rest of maxillary oclcusal rim in men

A

0-1mm

429
Q

Lab has options for constructing final restoration of this impression

A

Fixture level impression

430
Q

residual ridges resorb and remodel -
palatal bone does not resorb can cause what in complete dentures

A

midline fracture

431
Q
A

10 degree tooth semi anatomic

432
Q

name 2 materials used for border molding

A

polyvinyl siloxane

polyether rubber

433
Q

how far should maxillary stock trays extend

A

labial vestibule to the hamular notch and slightly beyound the vibrating line

434
Q
A

abutment fracture

435
Q

ID 9

A

retromylohoid fossa

436
Q

ID black

A

ptyerogmandibular raphe

437
Q

5 key actions of mandibular impressions for edentulous pts

A
  1. ask pt to create suction around finger and tray handle
  2. pucker/pooch lips + maximal smile line
  3. pronounce “Christmas” and “Q” and “U” and pull lower lip and cheek supeirorly over the impression tray
  4. place a finger on the top of each side of the impression side and ask the patient to close the mandible against resistance using one second intervals of applied force
  5. ask pt to raise tongue to top of their mouth, anterior to vermilion border, and then to corners of their mouth. ask patient to swallow
438
Q

When is transverse growth completed in males

A

17-19

439
Q

_____seemed to be a positive factor for very short implants

A

Splinting seemed to be a positive factor for very short implants

440
Q

For dentate patients, the anterior teeth should contact in_______

A

For dentate patients, the anterior teeth should contact in MI

441
Q

-remaining dentition with severe periodontal disease (undercuts) + grade III mobility
what type of impression material should be used

A

alginate
as definitive impression material

442
Q

Screws into fixture or onto abutment to facilitate transfer impression

A

Impression Post

443
Q

Splinting may be significant for very ________ featuring_________, clinical evaluation was recommended

A

Splinting may be significant for very short implants featuring internal connections, clinical evaluation was recommende\

444
Q

Attached to abutment by retaining screw

A

Waxing sleeve

445
Q

Accelerated Implant Loading Protocols
IMMEDIATE PROVISIONAL

A

no load

446
Q

what is wrong with this denture

A

sublingual crescent area is overextended

447
Q

name anatomic tooth form

A

zero degrees

448
Q

how is the occlusal scheme for complex cases determined

A

THE OCCLUSAL SCHEME USED FOR COMPLEX REMOVABLE CASES WILL DEPENDS ON THE THE NUMBER AND LOCATION OF REMAINING TEETH

449
Q

ID top and bottom

A

top: implant fixture
bottom: impression post

450
Q
A

SEALING SCREW (COVER SCREW)

451
Q

1

A

coronoid process and temporalis muscle/tendon

452
Q

define lingualized occlusion

A

“Lingualized occlusion can be defined as, the form of denture occlusion that where the maxillary lingual cusps articulate with the mandibular occlusal surfaces in centric working and non-working mandibular positions.”

453
Q

Dental implants most effectively resist forces directly along

A

Long axis

454
Q

ID 10

A

foveae palatini

455
Q

ID blue

A

lip musculature/buccal vestibule

456
Q

define partially balanced occlusion

A

balanced posterior but non-balanced protrusive

457
Q

For edentulous patients, the anterior denture teeth do not contact in ________

A

For edentulous patients, the anterior denture teeth do not contact in CO

458
Q

primary stress bearing area of md complete denture

A

buccal shelves

459
Q

on flat teeth with compensating curve, posteriors are set to contact on at least ______________________

A

on flat teeth with compensating curve, posteriors are set to contact on at least 1 point on nonworking or balancing contact

460
Q

Waxing sleeve can be what two types of materials

A

Plastic -burns out Precious metal which is “cast to”

461
Q

1

A

labial notch

462
Q

ID 4

A

buccal vesibule

463
Q

*Minimum bone dimensions: ____ height for implant

A

*Minimum bone dimensions: 10 mm height

464
Q

Functions of Occlusion Wax Rims

(3)

A
  1. To establish and maintain the VDO
  2. To serve as a means of transferring jaw relations from
    the patient to the semi-adjustable articulator
  3. To serve as a trial denture base
465
Q

how long should a pt wear an immediate denture at first after insertion

A

24 hours, the dentist will remove it at the check

466
Q

ID 3

A

buccal frenum

467
Q

secondary stress bearing area of a maxillary complete denture

A

palatal rugae area

468
Q

Single tooth implant vs FPD: • preservation of______

A

Single tooth implant vs FPD: • preservation of bone

469
Q

how to mark the high lip line

A

patient is asked to give an exaggerated smile line and a horizontal line is scribed on the wax rim to record maximum elevation or retraction of the upper lip

470
Q

Accepts retaining screw or a cemented prosthesis

A

Abutment

471
Q

when decreasing the VDO for an esthetic try in of a denture, If decrease is greater than 2 mm a ____________________

A

when decreasing the VDO for an esthetic try in of a denture, If decrease is greater than 2 mm a new interocclusal record must be made at centric relation at the newly proposed VDO

472
Q

what is this specifically

A

Open Tray Impression Transfer
Direct Impression Post

473
Q

a linear in 0 degree setup has posterior contacts? yes or no

A

No Posterior Contacts in Protrusive

474
Q

3 factors that influence soft tissue profile

A

Osseous levels Volume of connective tissue/biotype Interproximal support of crown

475
Q

position of facials of centrals relating to mx cast

A

7-9mm anterior

476
Q

whats wrong with this impression

A

wax spacer not moved

477
Q

implant overdentures are ________ retained and ______ supported

A

implant retained

tissue supported

478
Q

When replacing a single missing tooth with a dental implant, what is the basic bone requirement for proper placement in all directions?

A

Width 6mm Vertical 10mm Adjacent tooth 2mm Adjacent implants: 3mm

479
Q

what is wrong with this implant for #30

and what is the potential cause of this

A

Excessive lateral contacts
Steeper cusp inclines increase resultant force on implant components

480
Q

Anterior Guidance is dictated by

A

Anterior Guidance is dictated by esthetics, phonetics, etc.

481
Q

minimum distance from nasal cavity for implant

A

1mm

482
Q

Flat sides orient anti-rotational feature to reorient the post into the impression

A

Indirect impression post (closed tray)

483
Q

Step 5: Check Denture Occlusion
Clinical Checks for Centric Relation Verification

A

The maxillary and mandibular midlines coincide

Absence of premature/deflective contacts
• Equal amount of posterior horizontal overlap, bilaterally

• Posterior teeth contact simultaneously, bilaterally with equal
intensity

484
Q

What systemic conditions may have an impact on complete dentures

A

Sjogren’s Syndrome, Bell’s Palsy, Diabetes

485
Q

With no overbite and some overjet, canines does not in a linear zero degree set up

A

With no overbite and some overjet, canines does not disclude posterior teeth on working side movements

486
Q

Treatment options and cost for OSU

A

OSU student clinic estimates:

RPD option: $680

FPD option: 8 x $500= $4000

Implants: 4x $2000= $8,000

487
Q

what is the biggest disadvantage for multiple tooth implants

A

$$$$$

488
Q

Growth in the palate is symmetrical

A

False, growth is not symmetric at the midlalatal suture

489
Q

define bilateral balanced occlusion

A

Protrusive Movements
• Simultaneous anterior and posterior contacts

  • Lateral Movements
  • simultaneous working and balancing contacts
490
Q

T/F. anterior guidance in complete denture occlusion is necessary

A

False. anterior guidance in complete denture occlusion should be avoided to prevent dislodgement of the denture bases

491
Q

in denture construction CR=

A

CR=CO=MI

492
Q

Implant and Tissue Borne Overdenture dictates how many implants

A

2

493
Q

When viewed in profile the cuspid has a _______________from the perpendicular and the incisal tip touches the _______________.

A

When viewed in profile the cuspid has a slight distal inclination from the perpendicular and the incisal tip touches the occlusal plane (arrow).

494
Q

what is Linear or Non-balanced Occlusions

A

Centric contacts, No contacts in excursive
movements

495
Q

Check Denture Peripheries: Posterior Palatal Seal
steps

A
  1. Use Thompson stick to mark
    posterior extension of denture
  2. Ensure correct position of PPS
  3. Evaluate posterior extension of
    denture in relation to PPS
496
Q

when patient is smiling, the incisal edges follow the

A

when patient is smiling, the incisal edges follow the contour of the lower lip

497
Q

Retention of the denture cannot be maintained without

A

Retention of the denture cannot be maintained without tissue contact of the denture on the PPS area
THATS WHY ITS SUPER IMPORTANT FOR POSTERIOR PALATAL SEAL TO BE TOO THICK THEN TOO THIN

498
Q

evaluate 1, 2, and 3

A
  1. normal contact
  2. show though
  3. no contact
499
Q

excessive interocclusal clearance =

A

inadequate VDO

500
Q

Hybrid prosthesis (fixed detachable denture) requires what vertical space requirements

A

15-18mm

501
Q

What type of impression material to be placed in the plastic tray?

A

Heavy bodied PVS

502
Q

Bar and Clip Overdenture require ______ horizontal space between implants

A

8-10mm horizontal space

503
Q

ID 7

A

retromolar pad

504
Q

For hybrid prosthesis why should all the screws not be placed and tightened

A

Gaps between the abutment and poorly-fitting framework close, giving the appearance of an acceptable fit

505
Q

Locators require ______vertical height plus the teeth = _____ mm

A

7mm, 15mm

506
Q

RPD positives

A

least expensive option

507
Q

what is a concern when examining an edentulous patient if the FOM is near the level of the ridge crest?

A

retention and stability is SEVERELY COMPROMISED

508
Q

what happens if you leave excess wax on the denture teeth for processing

A

the wax leaves spaces for teeth to move

509
Q

what type of treatment does this dictate

A

RPD

510
Q

how to determine how many implants needed for edentulous maxilla

A
511
Q

ID 3

A

buccal frenum

512
Q

Shows the presence of absence of a contact

A

Shimstock

513
Q

6

A

buccal shelf

514
Q

what is the issue here

A
515
Q

Non passive fitting frameworks in hybrid prosthesis can lead to what

A

Bone loss, screw loosening, screw fracturing and implant failure

516
Q

what to do if you notice an error in occlusion upon denture delivery

A

clinical remount

517
Q

anatomical upper teeth with only lingual cusps, not buccal cusps touching

A

lingualized occlusion

518
Q

where should you avoid grinding for equilbirating in centric for the laboratory remount of a denture

A

Avoid grinding on stamp/functional cusps (maxillary lingual cusps; mandibular buccal cusps) unless absolutely necessary to reduce the incisal pin to 0.

519
Q

Bar and Clip Overdenture require _____ vertical ht

A

15-18mm

520
Q

Shimstock is first used to evaluate

A

Patients existing occlusion without implant crown in place

521
Q

for the laboratory remount of a denture, how to evaluate occlusion

A

Use thin articulating paper to identify centric prematurities! NO HORSESHOE!

522
Q

for a denture opposing natural teeth, why type of teeth should be selected

A

anatomic and semi anotomic teeth

523
Q

Options for edentulous maxilla

A

4 implant and tissue Overdenture 4 four implant bar and Clip Overdenture 4-6 fixed metal resin (hybrid) 4-6 fixed porcelain-fused-to-Metal or zirconia

524
Q

Buccal Mucosa
Draping of the cheeks over
the buccal flanges essential

A

• Draping of the cheeks over
the buccal flanges essential
for peripheral seal

525
Q

what is stable centric relating to RPDs and dentures

A

1) Simultaneous bilateral contacts of opposing posterior
teeth in centric occlusion. (Stable Centric)
• This means both any remaining natural posterior
teeth and artificial teeth contact simultaneously.

• This distributes the load more evenly

526
Q
  1. depth
A

1-2mm

527
Q

A raised acrylic resin area at the posterior border of the maxillary denture

A

posterior palatal seal

528
Q

Steeper cusp inclines increase resultant _______

A

Steeper cusp inclines increase resultant force on implant components

529
Q

what is indicated when the loss of VDO is excessive on a complete denutre

A

new dentures are indicated

530
Q

junction between the mobile and non-mobile portions of the soft palate

A

Vibrating Lineposterior border

531
Q

Cap attachment above the ball abutment collar is ______

A

4.28mm

532
Q

It is generally advisable to keep the incisal angle to a________complete dentures.

A

It is generally advisable to keep the incisal angle to a minimum in complete dentures.

533
Q

With the lips at rest, a youthful appearance of an unworn dentition may display between

A

With the lips at rest, a youthful appearance of an unworn dentition may display between 2 and 4 mm of the central incisors

534
Q

what is this an example of

A

Impression Post

535
Q

how does balanced occlusion work on the non-working side

A

maxillary lingual cusps of the posterior teeth on the non-working side contact on the lingual incline of facial cusps of mandibular posteior in conjunction w

536
Q

what procedure does this pt need and why

A

ridge alveoloplasty

for accomondation of CD and reduce pressure ulcers

537
Q

what is a secondary stress bearing area of the maxilla

A

lateral aspects of the hard palate

538
Q

ID this area

A

retromylohyoid space (lateral throat form)

determines posterior extension of the mandibular denture lingual flange

influences denture stability and retention

539
Q

What parameters for perio disease are used for single tooth implant checklist

PSR?

PD?

BOP?

A

PSR < or equal to 2 probing depths < or equal to 4mm BOP less than or equal to <20%

540
Q

what is the importance of low incisal guidance

A

Minimizes dislodging forces and prevents heavy anterior forces from concentrating on the maxillary anterior residual ridge

541
Q

ID top and bottom

A

TOP: impression post

BOTTOM: lab analog

542
Q

Abutment can be categorized as what

A

Standard, tapered, angles, cementable, or UCLA

543
Q

what does this pt need

A

ridge alveoloplasty

544
Q

with a two stage surgical approach for immediate dentures, how long should they wait for healing

A

8-12 weeks

545
Q

as condylar inclination increases, what must also increase a denture tooth set up

A

compensating curve must increave to keep a balanced occlusion

546
Q

All implant restorations incorporate at least

A

All implant restorations incorporate at least 1 screw

547
Q

what is the primary stress bearing area in the edentulous mandible

A

buccal shelves

548
Q

Clinical Vertical Space for Implant Restoration anteriorly

A

Anterior >8mm (incisal edge of the opposing arch to the crest of the ridge)

549
Q
A

indirect impression post

550
Q

for tissue conditioners, the best results are obtained if the dentures are worn for___________as the material continues to flow slightly
and the patients functional movements will aid in obtaining well defined borders.

A

best results are obtained if the dentures are worn for 24 - 48 hours as the material continues to flow slightly
and the patients functional movements will aid in obtaining well defined borders.

551
Q

the postural position of the mandible when an individual is resting comfortable in an upright position and the associated muscles are in a state of minimal contractual activity

A

vertical dimension of rest

552
Q

poor neuromuscular control ednetulous pt. what type of teeth

A

non anatomic teeth (zero degree)

553
Q

name the 3 types of occlusal schemes for RPD and dentures

A

non-balanced

full balanced occlusion

partially balanced occlusion

554
Q

9

A

lingual flnage with extension into retromylohyoid fossa

555
Q

name the type of screw seen in the picture

A

retaining screw

556
Q

ID 3

A

buccal frenum

557
Q

Implants are rarely indicated in children under what age

A

7mm

558
Q

the interocclusal distance may be greater in _____ patients

A

retrognathic patients

559
Q

minimum distance from maxillary sinus for implant

A

1mm

560
Q

It a patient has 15mm implants and an anterior posterior distance that measure 9mm. Which of the following is correct regarding the cantilever length for the mandibular hybrid prosthesis

A

18mm

561
Q

Fundamental differences of naturall and complete denture occlusion

A
  1. Sensory Feedback
  2. Derivation of retention, stability and support
    for complete denture occlusion
562
Q

the most common frenum to be irritated from denture overextension

A

maxillary frenum

563
Q

ID 8

A

pterygomandibular raphe

564
Q
A

Indirect Impression Post (Closed Tray)

565
Q

Cemented implant materials use what cement

A

Interim/provisional cements are recommend like TNE temrex temporary cement

566
Q

do anterior teeth contact in CR

A

NO

567
Q

what is prognosis based on for complete dentures

A

Bearing surface anatomy

ability to reproduce CR

tongue position

floor of mouth posture

neuromuscular control

dental history

psychological classification

568
Q

ID 8

A

hamular notch

569
Q

Stone dies are not as accurate as the actual abutment

A

Abutment level impression

570
Q

Impression Procedures are at what two different levels

A

Fixture Level Abutment Level

571
Q

Accepts waxing sleeve

A

Lab analog

572
Q

what should be checked first on a 24 hr visit after a denture delivery

A

occlusion

573
Q

ID 3

A

buccal notch

574
Q

Labial surface centrals _____ from posterior of incisal
papilla – posterior location stable over time

A

Labial surface centrals 12 mm from posterior of incisal
papilla – posterior location stable over time

575
Q
A

22mm

576
Q

What is this showing

A

Open Tray (Direct) Impression Technique

577
Q

The more teeth that remain the more the occlusion

A

The more teeth that remain the more the occlusion will reflect natural dentition (non-balanced)

578
Q

in denture occlusion, contacts should be confined to

A

central fossa or maringal ridges

579
Q

whats wrong with this impression

A

significant burnthrough

thin undercut peripheries: ive gotten this before!

580
Q

what are concerns with anti-hypertensive meds with complete dentures

A

dryness and postural hypotension

581
Q

ID 7

A

maxillary tuberosity

582
Q

multi-morbird patients with complex polypharmacy are common for treating this

A

complete dentures

583
Q

a raised area that will maintain intimate contact with the tissues. This maintains a border seal!

A

posterior palatal seal

584
Q

what are predisposing factors to inflammatory papillary hyperplasia in a complete denture wearere

A

continuous denture use

poor oral hygiene

smoking

585
Q

implant placement ______apical to the free gingival margin of contralateral tooth needed for the crown to transition from ______ mm w/o over-contour.

A

lacement 3 mm apical to the free gingival margin of contralateral tooth needed for the crown to transition from 4 mm to 8 mm w/o over-contour.

586
Q

goal of evaluating the denture borders and coronoid processes

A

goal is to observe an even, uniform contact with disturbed brush lines of pressure indicating medium

587
Q

Clinical Vertical Space for Implant Restoration:
anteriorly

A

anterior : > 8mm or equal to incisal edge of the opposing arch to crest of the ridge

588
Q

ID 10

A

lingual flange

589
Q

generally what indiciates a need for reline

A

denture movement or “rocking”

590
Q

Single-tooth implant predicted to have __________ than tooth-supported prosthesis over 20 year period

A

Single-tooth implant predicted to have lower lifetime cost and higher success rate than tooth-supported prosthesis over 20 year period

591
Q

How is anterior posterior distance is determined by whAt

A

Anterior posterior distance is determined by a line drawn form the center of the implant to the distal extent of the posterior implant

592
Q

what is wrong with this implant

A

Excessive occlusal contacts not on the long axis of the implant body

593
Q
A

HEALING CAP (HEALING ABUTMENT)

594
Q

How does survival of resin- retained FPD compare to FPD or implant?

A

Single tooth implant , FPD success rate at 10 years: 91.7 % and 81.3%
(resin-bonded bridges: 70 % at 5 years)

595
Q

tissue stops for the mandibule should be placed where

A

buccal shelves and posterior alveolar ridge

596
Q

what type of setup is this

A

linear 0 degree setup

597
Q

tissue stops for maxillary custom tray should be placed where

A

posterior alveolar ridge

598
Q

2 and 4

A

0.5mm

599
Q

in an edentulous pt who was recently delivered a denture, the pt is having difficulty closing lips and swallowing. what is the potentially issue?

A

excessive OVD

600
Q

VDO is usually how much less than VDR

A

3-4mm less

601
Q

what is the tipping force

A

occlusal load x distance = tipping force

602
Q

Record Base Fabrication
Block out using baseplate wax undercut areas to PROTECT the master cast:
MAXILLARY

A
  • labial surfaces of anterior ridge
  • Frenum areas
  • Rugae
  • Lateral areas of tuberosities
603
Q

CLASSIFICATION OF POSTERIOR TOOTH FORMS
• Anatomic

A

• 30° or greater

604
Q

Biomechanical factors are associated with long-term implant success.
What is a common cause of vertical or angular bone loss around a dental
implant? page 421

A

Occlusal trauma

605
Q

how much space should 1 be

A

3-4mm

606
Q

severely worn occlusion on previous denture. what type of teeth

A

zero degree

607
Q

what is affected by the shape of the residual ridges in the md denture

A

support and retention

608
Q

what is necessary to produce an F or V sound when determine phonetics of an edetulous patient

A

edge of maxillary rim much touch “wet-dry” junction of lower lip during pronunciation of “F” or “V”

609
Q

what type of bone are the buccal shelves

A

dense cortical bone

610
Q

A properly adjusted occlusion displays

A

Even contacts with natural dentition in CO

611
Q

Shows the location of the contact

A

Accufilm

612
Q

The lingual contours of the mandibular denture should be ________and there should be a slight gingival roll to prevent ________ and to anchor the denture teeth within the acrylic resin

A

The lingual contours of the mandibular denture should be concave and there should be a slight gingival roll to prevent tongue biting and to anchor the denture teeth within the acrylic resin

613
Q

what angle should this be

A

90 degrees to 115

614
Q

Albrektsson Smith Zach Proposed Success Criteria (2)

A

No mobility/radiolucency Bone loss

615
Q

ID red and black

A

red-coronoid process

black: ptyergomandibular raphe

616
Q

name 5 meds to be concerned with regarding making dentures (6)

A

anti-hypertensive meds

corticosteroids

anti-parkinson agents

diuretics

antihistamines

atropine

617
Q

Splinted multiple unit implant prosthesis should engage

A

Splinted multiple unit implant prosthesis should engage no more than 1 anti-rotational feature

618
Q

serves as a means of transfer on the facebow

A

Occlusion Wax Rims

619
Q

The hex feature of the screw retained implant crown must be

A

Protected before sealing the screw across with composite with cotton pellet, strip of gauze, or Teflon tape

620
Q

ID 6

A

buccal shelves

621
Q

When should we use cone-beam computed tomography (CBCT)?

A
  1. Sinus lift
  2. Narrow ridges
  3. Proximity to critical landmarks such as
    inferior alveolar nerve
622
Q

Patients with skeletal Class I relationships
• Vertical overlap=

• Horizontal overlap (=

* • No contact is =

A

Patients with skeletal Class I relationships
• Vertical overlap (1-2 mm)*

• Horizontal overlap (1-2
mm)*

• No contact is centric
occlusion

623
Q

Impression multiple implant

A

Direct impression post (open tray)

624
Q
A

waxing sleeve

625
Q

mandibular occlusal rims are adjusted until

A

interocclusal distance is 2-4mm

flat even contact along entire occlusal surface

626
Q

How much vertical space is required when considering a locator assisted Overdenture for the edentulous mandible

A

15mm

627
Q
A

Hex Driver

628
Q

biomechanically preferred to cantilver in what direction

A

anterior

629
Q

Implant Bar and Clip Overdenture requires how many implants

A

4

630
Q
A

imflammatory papillary hyperplasia

631
Q

Most challenging part of delivering a screw retained implant crown

A

Adjust/verify interproximal crowns

632
Q

Flat ripped screw placed directly in fixture only during 3-6 month healing phase

A

Sealing Screw (Cover Screw)

633
Q

In the maxilla, the midface grows how anteriorly posteriorly

A

Downward and forward

634
Q

Objectives of a surgical guide in a partially edentulous patient

A

Delineate the embrasures Locate the implant within the restoration contour Align the implant with the long axis of the completed restoration Identify the level of the planned CEJ or tooth emergence from the soft tissue

635
Q

a steep canine in a linear zero degree set up for denture teeth will cause what

A

Steep canine rise will cause working side to disclude

636
Q

Screw-loosening is often the first sign of

A

Screw-loosening is often the first sign of Biomechanical overload

637
Q

ID 8

A

ptyergomaxillary seal in area of hamular notch

638
Q

determine prognosis

A

poor

639
Q

Minimum ______ for denture acrylic for ball and locator

A

2mm

640
Q

Disadvantages / Maryland bridge

A

l loss of retention or debonding

l emergence profile looks like a pontic

l abutments can not have large carious lesions or restoration

641
Q

Regarding implants and framework fit: When connecting multiple implants
together, the fit of the framework should be checked with only one screw
in place. If the framework does not display an acceptable fit, what clinical
procedure should be performed?

A
  • Framework should be sections and soldered and reassessed for passive fit
  • A relation record should be made
642
Q

The maxillary lateral incisor should be positioned with a___________ and is usually _________above the plane of occlusion.

A

The maxillary lateral incisor should be positioned with a slight distal inclination and is usually ½ to 1 mm above the plane of occlusion.

643
Q

When tightening the abutment screw what order of instruments are use

A

Manual hex driver Mechanical wrench- torque driver

644
Q

3

A

zygomatic process

645
Q

what should be done to the mandibular occlusal rim prior to determining the centricl relation record

A
646
Q

ID 5

A

residual ridge

647
Q

selective grinding in balancing side relation for complete dentures

A

grind inner inclines of md buccal cusps

NEVER GRIND THE MX LINGUAL CUSPS

648
Q

ID 7

A

retromolar pad

649
Q

Lingualized Occlusal Scheme
uses what type of teeth

A

Anatomic teeth (usually 30-33°) used in maxilla and non- anatomic teeth (0°) in the mandible

650
Q

disadvantages of implant

A

surgery

healing time

additional planning

651
Q

ID 4

A

superior constrictor muscle

652
Q

With the lips at rest, wax rim should project _______below the lip line depending on age and sex of the patient

A

8”9%*41-“:”53&45
With the lips at rest, wax rim should project 1-2 mm below the lip line depending on age and sex of the patient

653
Q

what is a traditional balanced occlusion

A

Traditional – cusp fossa bilateral balanced occlusion

654
Q

No ordering of components of this impression

A

Fixture level impression

655
Q

With high occlusion on the implant crown, what complications can occur

A

Screw loosening Screw fracture Porcelain fracture Bone loss

656
Q

with a tooth overdenture, how should the remaning teeth be shaped

A

Shorten teeth with a domed shape 1-2 mm above the tissue

657
Q

The abutment and crown are together as one unit

A

Screw retained crown

658
Q

The primary complication with dental implant treatment is bone loss
around the implant. What is the amount of bone loss per year that would lead to concern? page 424

A

• Any loss exceeding 0.2 mm per year

659
Q

Severe resorption in edentulous patients (15-20mm) dictates what type of prosthesis

A

Only implant supported overdentures for optimum esthetic results

660
Q

what area creates the peripheral seal in the md denture

A

retromolar pad

661
Q

A clinically acceptable interproximal contact exhibits

A

Firm snap when dental floss is used

662
Q

what is indicated on a complete denture when the loss of VDO is moderate?

A

relining may be indicated

663
Q

Vertical space requirements for bar and Clip Overdenture for hygiene

A

2mm

664
Q

ideal ratio for implant supported prosthodontics:

A

1:1 crown to root ratio is considered a minimum

665
Q

iMPLANT

may be completed as an indirect transfer or a direct transfer

A

fixture level impression

666
Q

expected average interocclusal distance is _____

A

3mm

667
Q

Projects from impression before pouring

A

Lab analog

668
Q

what are these examples of

A

IMPRESSION POST

669
Q

advantage of cantilever FPD

A

may prepare only one abutment tooth

670
Q

What type of material is syringed around the implant impression post

A

Light bodied PvS

671
Q

IMPLANT

AIer the final impression is removed from the mouth, the ______ is removed and a\ached to the ________ using the ________ The en,re assembly is the placed into the final impression using the flat sides of the _________ for orienta,on.

A

AIer the final impression is removed from the mouth, the impression post is removed and a\ached to the laboratory analog using the hex driver. The en,re assembly is the placed into the final impression using the flat sides of the impression post for orienta,on.

672
Q

Dentures

intraoraly, there must be a ________ space between the rims

A

3-4mm

673
Q

what is this an example of

A

retruded tongue

674
Q

Attached prosthesis to abutment

A

Retaining screw

675
Q

under extension of the hamular notches causes what

A

NON-RETENTIVE DENTURE

676
Q

Temporary abutments come packaged with two what

A

Two separate screws

677
Q

Why is it important to have a well contoured implant provisional?

A

It can redirect the existing volume of soft tissue to optimal form and level

678
Q

what is OSUs protocol to splinting implants

A

<11mm = splint the crown

>11mm dont splint

679
Q

Crown to implant ratios up to _____ did not influence peri- implant crestal bone loss.

A

Crown to implant ratios up to 2:1 did not influence peri- implant crestal bone loss.

680
Q

if the maxillary tuberositie is enlarged with fibrous tissue what is a consequence

A

the maxillary occlusal plane may be placed too low

681
Q

wax display at rest of maxillary oclcusal rim in women

A

1-3mm (very important for practicing!)

682
Q

ID this area

does it resorb?

A

buccal shelves

no bc of muscle attachements

683
Q

dentate primary impressions for an immediate denture should use what material

A

using alginate + periphery wax

684
Q

Block out using baseplate wax undercut areas to PROTECT the master cast:
MANDIBLE

A

retromylohyoid fossa

frenum areas

facial aspect of anterior ridge

buccal and lingual regions of residual ridge

685
Q

The fewer teeth that remain, the more the occlusion will

A

The fewer teeth that remain, the more the occlusion will reflect complete denture occlusion (balanced)

686
Q

Vertical space requirements for bar and Clip Overdenture for denture acrylic

A

2mm

687
Q

clinical assessment of ridge width for implant placement

A

> or equal to 7mm measured facial – lingual clinically

688
Q

the curtain of soft tissue turns down abruptly 3 to 5 mm anterior to a
line dine across the palate at the distal edge of the tuberosities.

A

Class 3 Soft Palate (Palatal Throat Form)

689
Q

ID 12

A

incisive papilla

690
Q

the lingual extent of mandibular posterior teeth is dictated by

A

a line extending from the retromolar pad

691
Q

what do we want the incisal guidance angle to be

A

For dentures you want this to be low (15°)

692
Q

ID 9

A

posterior palatal seal region

693
Q

classify the cross sectional ridge form

A

U-shaped

694
Q

how to mark the midline of an edentulus patient

A

Marked by bisecting the long axis of the face and scoring a notch on the maxillary wax rim. This not must coincide with the patient’s facial midline ignoring any deviation of the nose

695
Q

classify angle

A

prognathic

696
Q

buccal and lingual contours of a denture should be

A

concave

697
Q

Do long term denture wearers or pts with recent extractions require less retention?

A

Long term denture wearers require less retention

698
Q

clear, rigid external surface form that duplicate the tissue surface (intaglio) of an immediate denture and is used as a guide to ensure that the prescribed bone trimming is done adequately

A

surgical guide

699
Q

Loose screws may

A

loose screw may break under occlusal load if not tightened

700
Q

Dental implant can have what destructive interferences

A

Lateral excursions in both working and non-working

701
Q

ID 11

A

median palatal groove

702
Q

is the mandibular height correct?

A

no it is too height

703
Q

iD 2

A

labial vestibule

704
Q

occluding surfaces fabricated on record bases for purposes of making MMR and arranging denture teeth

A

occlusion wax rims:

705
Q

What is the proper cuff height for abutments selected for an Overdenture or a hybrid prosthesis

A

Optimal cuff height should be approximately 1mm above (supragingival) the soft tissue

706
Q

whats wrong with this impression

A

nothing its beautiful

707
Q

what is a concern about this implant

A

Implants shorter than 7-8 mm
Crown to implant ratio?

708
Q

Has long screw which extends through the impression tray

A

Direct impression post (open tray)

709
Q

CR= maxillomandibular relationship in which the ________ articulate with the __________ portion of othe respective discs with the complex in the ___________position against the shapes of the ______s

A

CR= maxillomandibular relationship in which the condyles articulate with the thinnest avascular portion of othe respective discs with the complex in the anterior superior position against the shapes of the articular eminences

710
Q

ID 13

A

area of premylohyoid eminence

711
Q

after denture delivery, pt complains of soreness on crest of ridge

A

adjust occlusion, (heavy occlusal contacts)

712
Q

HIGH YIELD TQ

primary stress bearing area of a maxillary denture

A

crest of the residual ridge

713
Q

what concerns are with corticosteroids, anti-parkinson agents regarding making complete dentures

A

dryness, confusion and behavioral changes

714
Q

what is this specifically

A

Indirect Impression Post

715
Q

what produces F or V sounds during wax rim appointment

A

This will usually allow the rim to contact the wet- dry junction line of the lower lip during the soft enunciation of the fricative sounds (F, V).

716
Q

treatment options and cost at OSU

A

RPD option: $680

FPD option: 4 x $500= $2000

Implants: 2x $2000= $4,000 (OSU clinic estimate)

717
Q

ID this

A

locator abutment

718
Q

Pronounced looseness of record bases. what to do?

A

REMAKE record base

719
Q

the expected average interocclusal distance is 3mm, but may be __________ in prognathic patietns

A

less

720
Q

Is CR dependent on tooth contact

A

no, independent of tooth contact

721
Q

negatives of implants

A

§ expense
§ Healing time

722
Q

if maxillary tuberosities are hypermobile in an edentulous patient, what happens?

A

allows denture movement

723
Q

DENTURES
the incisal edge position is clinically determined how

A

assessment of the dynamic position of the anterior teeth during speech

724
Q

what is the reule of selective grinding in working side relation for complete dentures

A

BULL

buccal cusp inner incline of upper teeth

lingual cusp inner incline of lower teeth

725
Q

Landmarks on the maxillary bite rim

A
  • Midline
  • Corners of the mouth/ ala of the nose (canine tips)
  • High smile lip line (tooth show)
726
Q

How are anterior teeth implants placed

A

placed 2-3 mm apical to the free gingival margin of contralateral tooth

727
Q

(any remaining natural posterior and artifical teeth contact simultaneously)

A

stable centric

728
Q

best treatment plan option

A

implant

729
Q

ID 2

A

labial flange

730
Q

how to determine the physiological rest position (VDR)

A

insert maxillary record base + wax rim

using a black/red marker, place a dot on the nose tip and most prominent aspect of chain.

pt is instructed to gently bring their lips together, hum the letter “m”

gently lick their upper lip, relax and gently bring their lips together

731
Q

MAXILLARY AND MANDIBULAR UNILATERAL DISTAL EXTENSION RPDs

A

Working Side Contacts Only

• No balancing contacts since opposite side is stabilized
by clasping

732
Q

Since implants are integrated with the bone, they will not

A

Compress with occlusion

733
Q

how are anterior implants placed compared buccally/palatally

A

1mm palatally to adjacent teeth

734
Q

what occurs if the denture is overextended in the md

A

displacement

735
Q

Fixed Porcelain Fused to Metal Implant Supported Denture dictates how many implants

A

6-8

736
Q

ID 3

A

sublingual crescent areas

overextended

737
Q

In mild to moderate hypodontia, what does the clinical literature state regarding complications for implants in growing patients

A

Shortening on the implant crowns reported due to continued eruption of adjacent teeth in some implants

738
Q

ID 14

A

butterfly outline of posterior palatal seal

739
Q

what is the closest speaking space

A

s sounds (count 60-70(

740
Q

The maxillary and mandibular dentures are fitted ______

A

invidividually before any attempts to evaluate their occlusion

741
Q

VDR= what

A

VDO + interocclusal clearance

742
Q

2

A

0.5mm

743
Q

What is the major concern regarding making dentrues for patient with complex polypharmacy?

A

therapies leading to xerostomia compromise the overall prognosis of complete denture therapy

744
Q

maxillary impression borders-key actions

A
  1. ask patient to create suction around a finger and impression tray handle
  2. pucker or pooch their lips and produce a maximal smile line

action 3. ask patient to open mouth wide and move md side to side to stretch the pyterogmandibular raphe and allow the coronoid processes to shape thei impression

745
Q
A

Abutment Driver

746
Q

large and normal in form; with a relatively immovable band of
resilient tissue 5-12 mm distal to a line drawn across the distal edge of the
tuberosities.

A

Class 1 Soft Palate (Palatal Throat Form)

747
Q

in denture occlusion, where should no contacts be seen

A

no contacts on inclines

748
Q

What if we exceed the limit and overtighten the screw

A

screw may break over time due to fatigue

749
Q

What is recommended for multiple unit prosthesis

A

Tapered abutment

750
Q

Screw is removed before the impression can be removed from the patients mouth

A

Direct impression post (open tray)

751
Q

how to determine vertical dimension of occlusion (VDo)

A

instruct patient to gently close until rims touch

measure distance between dots

752
Q
A

angular cheilitis

753
Q

why is making sure the midlines match important

A

if they dont match it is likely the patient deviated during closer-retake CR record

754
Q

what is a primary stress bearing area of the maxilla

A

crest of the residual ridge

755
Q

what is camper’s line

A

(inferior border of ala of nose to the superior border of the tragus of the ear)

756
Q

A line passing through the posterior extent of the incisive papilla, (perpendicular to the midline) will define where the _______________

A

A line passing through the posterior extent of the incisive papilla, (perpendicular to the midline) will define where the cusp tips of the canines should be placed

757
Q

ID

A

angled abutment

758
Q

ID 13

A

palatal rugae

759
Q

what is an implant option for completely edentulous patients who have minimal bone resorption

A

metal-ceramic fixed dental prosthesis

760
Q

what is an implant option for completely edentulous patients who have moderate bone resorption?

A

complete metal-resin fixed dental prosthesis

761
Q

what is an implant option for completely edentulous patients who have severe bone loss?

A

implant supported overdentures

762
Q

id 1

A

preload

763
Q

id 2

A

clamping force

764
Q

what potentially happened here

A

Broken acrylic components, teeth-limited space for prosthetic components-Thin framework, and potential flexure of the cantilever

765
Q

what is this and what are they used for

A

tapered abutments

multiple unit restorations

766
Q

what is this

A

healing abutment

767
Q

how much space mesially-distally is preferred for 2 implants

A

13mm

768
Q

what is a concern here seen in the picture?

A

Mesial inclination of a molar decreases occlusal table and may compromise or even preclude restoration

769
Q

When can you use two implants to support FPD?

A

>10 mm in length

770
Q

what is wrong with this implant

A

Implant not placed apical enough: poor emergence profile

771
Q

this pt presents to your office and would like something right away. what is an option

A
772
Q

Requirements for immeidate provisionalization for implant

implant must be _____ at time of placement

A

stable

773
Q

Requirements for immeidate provisionalization for implant

no ________ defiency

A

no buccal plate deficiency *ideally 1mm buccal bony plate

774
Q

Requirements for immeidate provisionalization for implant

eliminate all

A

occlusal contacts, centric, and eccentric

775
Q

Requirements for immeidate provisionalization for implant

pts have to be cooperative an no ____________ for ____ mo.

A

no biting with anterior teeth for 4-6 months

776
Q

Requirements for immeidate provisionalization for implant

no _________ on the crown. patients has to prevent ____ with crown

A

no parafunctional habits on the crown

prevent habitual tongue contact with crown

777
Q

Calculus and plaque can
accumulate on an implant
especially if there are
_________

A

Calculus and plaque can
accumulate on an implant
especially if there are
threads exposed

778
Q

what are you probing when you are on am implant crown

A

 No tissue attachment to
crown or implant
 Circular fibers create a
seal

779
Q

Ailing implants includes what two conditions

A

Peri-implant mucositis (reversible)
Mild peri-implantitis

780
Q

Failing implants describes what

A

Moderate Peri-implantitis (bone loss) No mobility

781
Q

Three categories of implant complications

A

Ailing Implants

Failing Implants

Failed Implants

782
Q

what is this an example of

A

healthy peri-implant mucosa

783
Q

what is this an example of

A

peri-implant mucositis

784
Q

what is this an example of

A

peri-implantitis

785
Q

what is this an example of

A

ailing implant

786
Q

what is this an example of

A

Failing Implants

787
Q

Failing Implants
 Progressive__________
 Clinically __________

A

Failing Implants
 Progressive loss of supporting bone
 Clinically immobile

788
Q

what is this an example of

A

failed implant

789
Q

what is this an example of

A

Failed Implant

790
Q

Failed Implant

Two characterisitics

A

 Loss of supporting bone
 Clinical mobility

791
Q

COMPLICATIONS Causes of Implant Failure
 Major etiological factors are:

A

Infection

Impaired Healing

Overload

792
Q

if an implant shows suppuration, what should be prescribed

A

systemic antibiotics

793
Q

dequate Mesial- distal width is present in edentulous site( minimum of 7mm. between the adjacent teeth)

A

dequate Mesial- distal width is present in edentulous site( minimum of 7mm. between the adjacent teeth)

794
Q

no load is used for this accelerated implant protocol

A

immediate provisional

795
Q

what time frame is used for early loading of an implant

A

3 mo.

796
Q

what implant time frame is used for immediate loading

A

one week

797
Q

what is this an example of and how many implant does it usually use

A

porcelain fused to metal

4-6

798
Q

Lingualized – a balanced occlusion that uses the
lingual cusp of uppers to guide all contacts in ________________

A

Lingualized – a balanced occlusion that uses the
lingual cusp of uppers to guide all contacts in lateral
and protrusive excursions.

799
Q

Linear or Non-balanced Occlusions
• Centric contacts, No contacts in

A

Linear or Non-balanced Occlusions
• Centric contacts, No contacts in excursive
movements

800
Q

Factors that lead to posterior separation
this is dictated by patient anatomy and CANT BE CHANGED

A
801
Q

what type of set up is this

what movement?

A

zero degree -linerar

protrusive movements

802
Q

This type of occlusion has No Posterior Contacts in Protrusive

A

LINEAR 0° SETUP - PROTRUSIVE MOVEMENTS

803
Q

With no overbite and some overjet, canines does not disclude posterior teeth on working side movements

A

LINEAR 0° SETUP - LATERAL MOVEMENTS

804
Q

this is a picture or border molding what is wrong with this picture

A

If border molding material extends onto the wax spacer, then removal of wax prior to the impression disrupts the border molding
note image: done correctly

805
Q

what is this and how to mark it

A

Pinch the pt’s nostrils closed and ask the pt to attempt to blow air through their nose.

Make sure that the tongue is held down using a mouth mirrow.

hard-soft palate junction

806
Q

what is this and how is it marked

A

have the pt cough or pronounce the world ah

807
Q

what is wrong with this maxillary occlusal rim

A

excessive lip support

808
Q

what is wrong with this occlusal rim

A

deficient lip support

809
Q

the anterior occlusal plane for jaw relations record for making a denture should be parallel to what

A

OSCE IMPLANT AND DENTURE (1 decks)

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