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Dentures 2 Quiz 2 > Quiz 3 > Flashcards

Quiz 3 Flashcards

1
Q

Surgical guides are

A

Clear rigid external surface form that duplicates the tissue surface of an immediate denture and is used as a GUIDE to ensure that the prescribed bone trimming is done adequately

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2
Q

Surgical guide uses

A

This template is utilized by the surgeon to ensure that the denture bearing area is reduced to fit the immediate denture

Used to locate pressure areas on mucosa at time of surgery and ensure bony reductions are sufficient and acceptable

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3
Q

Ridge alveoplasty necessary for

A

Accommodation of ICD

Reduction in pressure ulcers

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4
Q

When a tooth is extracted

A

A collapse of the free gingival tissue occurs and the contouring of the cast by scrapping between these lines is an attempt to compensate fro the anticipated collapse

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5
Q

Extractions should be

A

Atraumatic

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6
Q

Extractions should preserve

A

Hard and soft tissue as best as possible

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7
Q

Primary binding sites

A

Buccal

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8
Q

Secondary binding sites

A

Lingual

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9
Q

Blanching of the ridges

A

Indicates soft tissue/bone removal is still needed

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10
Q

Full thickness flaps

A

Only when absolutely necessary

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11
Q

_____reduction of bone is sometimes necessary to allow for restorative room

A

Vertical

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12
Q

Place tissue conditioner only if

A

Dentures are not retentive

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13
Q

Pressure indicating paste

A

Brushed on the intaglio surface to check for pressure areas especially in the canine a eminence and undercut areas

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14
Q

Clinical uses of tissue conditioners

A

Improves retention of the dentures

Act as protective resilient cushion

Act as dressing post surgery expedites healing

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15
Q

Follow up care instructions

A

Do not remove dentures for 24 hours

Will act as a compression bandages

Soft liquid diet

No exercise smoking spitting

Blood is normal

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16
Q

24 hour check up

A

Occlusion should be checked first

Ask patient where worst soreness is and perform visual exam

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17
Q

Soreness may develop on the

A

Crest of ridge or on slopes of the RR

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18
Q

Remounting goals

A

Refines the occlusion

Reduces interferences and occlusal contact discrepancies

Preserves edentulous tissue health

Reduces post interaction visits

Reduces pain during mastication

INcreases patient comfort and adaption

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19
Q

48-72 hour check up

A

Check for sore spots/ulceration

Check post extraction healing sites

Check for bilateral occlusal contacts

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20
Q

Plan for initial denture redline in

A

5-6 months

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21
Q

Denture Reline

A

The constant changing of the denture bearing areas follow insertion necessitate the resining of the denture base within 6 month post insertion

22
Q

What is a reline

A

Resurfacing the intaglio surface of an existing denture with new denture base material thus providing an accurate adaption to the new foundation area

23
Q

Lekholm and Zarb classification

A

1 dense bone

4 spongy bone

24
Q

Incorrect CR causes

A

Inflammation of the supporting tissues

25
Retention and stability should be examined
Independent and assessed by exerting horizontal lateral and AP moments on the denture bases
26
Well adapted dentures move
1-2 mm which is consistent with tissue displacebaility
27
Denture movement or rocking
Indicates the need for reline procedures
28
When loss of VDO is moderate
Reclining may be indicated
29
When the loss of VDO is excessive
New dentures are indicated
30
Rebasing
The lab process of replacing the entire denture base material on an existing prosthesis without changing the position or occlusal relation
31
Types of reclines
Soft Hard Tissue conditioners
32
Soft reclines
Minimal flow under stress-less viscous Act as a shock absorber Last longer than TC up to 3 months
33
Tissue conditioners
Treatment of abused tissues Flows under stress Serves as a functional impression material
34
Indications for tissue reclines
To correct deficient in fit and retain resulting from changes in the residual ridges To compensate for inadequate previous final impressions: Underextended critical anatomical areas compromising retention Denture flanges
35
Underexteend denture flanges
Poor retention and stability
36
Contraindications to denture reclines
When the loss of VDO is so excessive that thick impressions are necessary to restor the proper VDO When the tissues are so altered from the original recorded in the denture that it cannot act as a reliable impression tray When patients are dissatisfied with he esthetics fo their denture When plane of collusion is significantly altered When the denture borders are excessively short as a result of excessive adjustments
37
Methods of relining CDs
Indirect | Direct chairside
38
Tissue conditions
resilient polymehtlmethacrylate
39
Elastoermic impression matierals
PVS
40
Make sure the reline material thickness
Does not increase the patients existing VDO while relining the mandibular CD
41
Denture reline procedure using tissue condition main faults
Rapid deterioration Discoloration Rapid loss of resilience
42
Advantage of lab reclines
``` resistant to water sorption More durable Maintains color Excellent bond Less porous ```
43
Disadvantges of lab reclines
Cost of lab fee Patient has to spend hours/days w/o denture Monomer residue may cause irritation
44
_____ dictates treatment option
Amount of bone resorption
45
Implant OVD indications
anatomical deficiencies When a flange is required for facial support Economics Dissatisfaction with conventional CDs Possibility to transition to hybrids prosthesis
46
OVD contraindications
Uncontrolled systemic disease Uncontrolled metabolic disease Pregnancy IV ant restorative drugs Acute illness
47
Messing the ____ determines the abutment height
perimplant tissue height
48
Locators require
7 mm vertical height plus teeth (15 mm)
49
Causes of OVD fracture
Weakness of Thea cruylic resin due to insufficient resotive space Excessive grinding of acrylic to make room for pick up Bruxsim
50
Bruxism OVD solution
Cast metal superstructure
51
Advantages of implant assisted overdentures
Preserve/ stimulate the alveolar bone Improve pt quality of life psychology and self esteem Enhance prosthesis retentiona nd stability Emotional Health Increaseind fucntion
52
Disadvantages of assisted overdentures
Increased tx time and cost Maintent oc nylon attachments/locators and denture bases

Dentures 2 Quiz 2 (3 decks)

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