summer D3 Flashcards
1
Q
1.) Appointments required for Diagnostic Exam for pros (Stewart’s 119)
A
2
2
Q
2.) 5 things accomplished in first appt pros (Stewart’s 119)
A
2.)thorough health history Preliminary oral cavity exam
Dental prophylaxis
Radiographic survey
Accurate max and mand impressions
3
Q
3.) 4 major patient psychological categories by Dr. MM House (Stewart’s 120)
A
3.) Philosophical Hysterical Exacting Indifferent
4
Q
4.) Patient’s with Systolic pressure exceeding ____ or diastolic exceeding _____ should be considered to have a potentially serious medical condition indicating a medical consult (Stewart’s 120)
A
4.) 130mmHg 90mmHg
5
Q
5.) 2 oral conditions seen in uncontrolled diabetes (Stewart’s 121)
A
5.) small oral abscesses Poor tissue tone
6
Q
6.) Diabetic patients have what oral condition that can make prosthesis wear difficult as well as increase caries risk (Stewart’s 121)
A
6.) reduced salivary output
7
Q
7.) Paget’s disease can cause enlargements where that can change fit of prosthesis (Stewart’s 121)
A
7.) maxillary tuberosities
8
Q
8.) Patient with this disease will show enlargement of the mandible which can change fit of prosthesis (Stewart’s 121)
A
8.) Acromegaly
9
Q
9.) Neurological disease causing rhythmic muscle contractions making prosthesis planning as well as wear difficult (Stewart’s 121)
A
9.) Parkinson’s Disease
10
Q
10.) Disease with oral bullae showing first then moving onto the skin (Stewart’s 12
A
10.) Pemphigus vulgaris
11
Q
11.)Consideration for material use when making a RPD for an epileptic patient (Stewart’s 121)
A
11.) all material radiopaque in case swallowed or aspirated during seizure
12
Q
12.) 2 things usually indicated with increasing age (Stewart’s 123)
A
12.) need for some type of prosthesis
Need for prescription or OTC meds that can affect
dental treatment
13
Q
13.) Most significant side effect of antihypertensive drugs (Stewart’s 123)
A
13.) Orthostatic hypotension
14
Q
14.) What usually initiates bruxism (Stewart’s 125)
A
14.) interceptive occlusal cotacts/occlusal permaturities
15
Q
15.) Physical characteristics to note during interview (Stewart’s 126)
A
15.) Neuromuscular/neuromotor deficits
Length and mobility of lips
Decreased vertical dimension of occlusion (VDO) Speech problems
16
Q
16.) Most important measure to minimize disease transmission between patients and dental care providers is (Stewart’s 127)
A
16.) routine use of gloves
17
Q
7.)Must custom trays, record bases, and occlusion rims be disinfected after construction (Stewart’s 129)
A
17.) yes. Stewart’s says 2 min sodium hypochlorite application
18
Q
18.) Impressions should be loosely wrapped in plastic and set aside for how many minutes after rinsing with water and disinfecting (Stewart’s 129)
A
no less than 2 min
19
Q
19.) Casts poured no more than _____mins after removal of alginate from mouth (Stewart’s 129)
A
12 minutes
20
Q
20.) 3 responsibilities of dentist to explain for patient oral hygiene (Stewart’s 130)
A
20.) signs and symptoms of disease
Materials and techniques for proper home care Patient’s responsibility to prevent further dental disease
21
Q
21.) radiograph essential for determining the crown-to- root ratio (or crown-to-rut ratio if you are Dr. Gunsolley) and the condition of the periodontal tissues
(Stewart’s 130)
A
PA
22
Q
22.) Radiograph helpful to identify interproximal caries on the remaining teeth (Stewart’s 130)
A
BW
23
Q
23.) radiograph ideal for screening for pathologic conditions (Stewart’s 130)
A
Pan
24
Q
26.) Serve as blueprints for placements of restorations, recontouring of teeth, and the preparation of rest seats (Stewart’s 130)
A
26.) surveyed and marked diagnostic casts
25
27.) Casts are normally mounted and evaluated during which diagnostic appointment, first or second (Stewart’s 130)
27.) second (get facebow record at second app)
26
28.) Material of choice for diagnostic impressions (Stewart’s 131
28.) Irreversible hydrocolloid/alginate
27
29.) Is the accuracy of irreversible hydrocolloid affected by changes in the water-powder ratio (Stewart’s 132)
29.) No, will only change consistency and setting time
28
30.) type of measurement performed using a scoop. It is inaccurate because the powder can be loose or tightly packed within the scoop (Stewart’s 132)
30.) Volumetric measurement
29
31.) measurement technique that is the preferred method for alginate powder (Stewart’s 13
weight measurement
30
32.) Alginate weight used for most impressions (Stewart’s 132)
28 g
31
33.) amount of water mixed with the 28g of alginate powder (Stewart’s 132)
68-72 mL
32
34.) Manufacturer recommended temperature of water for alginate impressions (Stewart’s 132)
34.) 22°C/72°F
33
35.) What can increase the working time of alginate (Stewart’s 132)
35.) refrigerate mixing bowl and water
34
36.) 2 primary mechanisms of distortion of alginate impressions resulting in inaccurate diagnostic casts (Stewart’s 133)
36.) evaporation
| Absorption of liquids/imbibitions
35
38.) results in localized expansion of completed impression (Stewart’s 133)
38.) imbibitions
36
39.) Should alginate impressions ever be wrapped in wet paper towel or immersed in a liquid and why (Stewart’s 133)
39.) No, risks imbibitions
37
40.) 3 factors contributing to alginate sticking to teeth (Stewart’s 134)
40.) impression done after thorough polishing Teeth dry
| Repeated impressions
38
41.) Impression trays of choice for RPD impressions (Stewart’s 134)
41.) Nonperforated metal trays
39
42.) Most important factor in determining impression tray size (Stewart’s 134)
42.) width of dental arch
40
43.) Should be clearance of ___mm to ___mm between inner flange of tray and the facial surfaces of the remaining teeth and soft tissue (Stewart’s 134)
5-7 mm
41
44.) 3 techniques to prevent gagging during impression making (Stewart’s 136)
44.) pt sits upright
Max tray modified posterior to stop alginate flow down throat
Use astringent mouthwash or cold water rinse immediately prior to making impression
42
46.) Minimum time to spatulate alginate (Stewart’s 140)
45 sec
43
47.) Most consistent method for alginate spatulation (Stewart’s 140)
47.) mechanical under vacuum (20lbs for 15 sec)
44
48.) Stewart’s suggests making which impression first and why (Stewart’s 140)
48.) Mandibular. Less discomfort, increases patient confidence
45
49.) Gelation of alginate impression material complete within ___ min (Stewart’s 141)
49.) 2-3 min
46
51.) Stewart’s says to leave an alginate impression in the mouth how long after the loss of surface tackiness to allow development of additional strength (Stewart’s 142)
2-3 min
47
58.) All gympsum products (both plaster and stone) require what water-powder ration (Stewart’s 146)
58.) 18.61 mL to 100g powder
48
59.) What is formed when water is added to powder for dental plaster or stone (Stewart’s 146)
59.) calcium sulfate dehydrate
49
63.) Dental stone indicated for diagnostic and master casts (Stewart’s 147)
63.) minimal expansion. ADA type III or type IV stone
50
66.) In 2 stage pour, the initial pour is allowed to go to initial set, which is ____ min (Stewart’s 148)
66.) 12-15 min
51
67.) What is done with the initial pour cast after initial set, before putting on second pour (Stewart’s 148)
67.) soak in clear slurry water for 4-5 min
52
68.) supersaturated solution of calcium sulfate made by placing chips of dental stone in water for 48 hrs (Stewart’s 148)
68.)Clear Slurry
53
69.) Benefit of clear slurry soak of first pour (Stewart’s 148)
69.) allows wetting of 1st pour without dissolution of stone
54
71.) How long after the first pour should the cast and impression be separated (Stewart’s 149)
71.) 45-60 min
55
72.)Maximum time alginate should be allowed to stay in contact with stone cast (Stewart’s 149)
72.) 60 min
56
74.) Base of cast trimmed to what thickness (Stewart’s 150)
74.) 10-13 mm thick at the thinnest point with occlusal plane parallel to the deck
57
75.) Where is a mandibular cast thinnest, and where is a maxillary cast thinnest (Stewart’s 150)
75.) Mandibular thinnest in lingual sulcus Maxillary thinnest at center of hard palate
58
77.) Land area of ___ mm trimmed around entire cast (Stewart’s 150)
77.)2-3 mm
59
81.) Most common cause of surface roughness of dental casts (Stewart’s 152)
81.) adherence of alginate to enamel
60
82.) leaving alginate in contact with cast greater than 60 min after initial pour causes (Stewart’s 152)
82.) surface etching (soft, chalky surface)
61
83.) 3 phases of mounting a cast (Stewart’s 160)
83.) orient maxillary cast to articulator condylar elements via facebow
Orient mandibular cast to maxillary cast via centric relation record
Verification
62
84.) Most facebows rely on what hinge axis: true or arbitrary (Stewart’s 160)
arbitrary
63
86.) one of the most commonly used points for the arbitrary hinge axis . It is 13 mm anterior to the margin of the tragus on an imaginary line between the posterior margin of the tragus and the outer canthus of the eye (Stewart’s 161)
86.) Beyron’s point
64
87.) Frankfurt horizontal
87.) plane established by the infraorbital notch and the external auditory meatus openings is approximately parallel to...(Stewart’s 161)
65
Centric relation is what type of relationship (Stewart’s 166)
.) bone-to-bone, and independent of tooth contact
66
91.) most common cause of bruxism, accelerated wear and TMD (Stewart’s 167)
91.) interferences between Centric Relation and Maximum Intercuspation
67
102.) When is splinting with a fixed partial denture indicated (Stewart’s 186)
102.) First premolar and molars are lost and 2nd premolar is to be used as an abutment
68
Adequate tissue rest time
removes prostheses 6-8 hrs/day
69
4 tissue reactions related to prostheses
papillary hyperplasia Epulis fissuratum
Denture stomatitis
Soft Tissue displacement
70
3 most common undercut areas
maxillary tuberosities Distolingual areas of mandible Recent extraction sites
71
Lingual bar major connector must be minimum___ height
5 mm
72
2 disorders where the Lamina dura is completely lost radiographically`
Paget’s Disease Hyperparathyroidism
73
More common cause of loss of lamina dura
Function
74
Pre-prosthetic surgery to remove a soft tissue maxillary tuberosity should have what healing time
112.) 7-10 days
75
Pre-prosthetic surgery to remove a boney maxillary tuberosity should have what healing time
2-3 weeks
76
Maximum amount of enamel that can be removed in enamelplasty to try and even an occlusal plane
2mm
77
Percent of patients with a noticeable discrepancy between CR and MI(
90%
78
2 most common causes of bruxism
occlusal interferences b/w CR and MIP Occlusal contacts on Non-working side
79
6 indicators to construct RPD at CR
1-coincidence of CR and MIP
2-Absence of posterior tooth contacts
3-All posterior tooth contacts will be restored with fixed prosthodontics
4-Few remaining posterior contacts
5-Existing occlusion can be made acceptable with minor occlusal equilibration
6-Clinical symptoms of occlusal trauma
80
4 broad diagnostic categories for placing a patient in one of the 4 Prosthodontic Diagnostic Index (PDI) classes
location and extent of edentulous areas
Condition of abutments
Occlusion
Residual ridge characteristics
81
4 basic parts of every dental surveyor
level platform
Vertical column
Horizontal arm
Surveying arm
82
From which point of view is the tilt of the cast described
looking at posterior surface
83
What is the unchangeable rule when surveying diagnostic casts
retentive undercuts must be present on abutment teeth when cast is at horizontal tilt
84
Dislodging forces of an RPD are always directed in what relation to the occlusal plane
perpendicular
85
Each of the proposed abutments should display how much undercut at the most desirable location
0.010-inch
86
If wrought-wire clasp planned the retentive undercut should be how much to allow for the greater flexibility of the wrought wire
0.0150-inch
87
Where a bony prominences often encountered
facial surfaces mandibular canines and premolars
88
Teeth that are exceptions to teeth drifting mesially to fill in edentulous spaces
mandibular canines and premolars. Move distally
89
How many paths of insertion will an RPD have it there is one or more missing anterior teeth
single
90
Guiding planes contact what part of RPD
minor connector
91
Guiding planes are always parallel to ____ and are ____ in height
path of insertion 2-4 mm high
92
Guiding planes purpose
stabilize prosthesis against lateral forces
93
Which of the four factors for determining tilt of cast is the most easily compromised
guiding planes
94
Most influential factor for determining whether prosthesis will have one or more paths of insertion
whether or not edentulous spaces are tooth bounded
95
Components of the RPD that govern the path of insertion
minor connectors
96
Is RPD a form of treatment or a cure
treatment only
97
Class I prosthesis (Bilateral posterior edentulous spaces) require how many clasp assemblies
2
98
What clasp material should be used to engage a mesiobuccal undercut in a Class I prosthesis
wrought wire
99
Class II prosthesis (Unilateral posterior edentulous space) requires how many clasp assemblies
3
100
What should be the placement of the clasps on the dentate portion of a Class II prosthesis
one as far posterior and one as far anterior as contours and esthetics permit
101
What is the purpose of indirect retention
neutralize unseating forces
102
What is the limit for indirect retainer placement
no more anterior than canines
103
Class I prosthesis (bilateral posterior edentulous spaces) should have how many indirect retainers
2
104
How many indirect retainers are adequate for a Class II prosthesis (unilateral posterior edentulous
One. Located on side opposite distal extension as far from fulcrum line as possible
105
Class III prosthesis (posterior tooth-bounded edentulous space) requires how many clasps
4
106
Does a Class III prosthesis (posterior tooth- bounded edentulous space) require indirect retention
no
107
How far should a maxillary major connector be positioned from tooth-tissue junctions
6 mm
108
3 major advantages of I-bar configuration
food accumulation minimized
| Clasp terminus disengages when distal extension loaded Minimized lateral forces
109
Common site for maxillary indirect retainer site
maxillary canine
110
Common site for mandibular indirect retainer site
mesial fossa of mandibular first premolar
111
Of the 6 Phases of RPD treatment, during which phase is the mouth prepared for the RPD (WS1 ppt)
Phase 2
112
When planning preparation of the mouth, what is planned first (WS1 ppt)
worst first
113
When is an interference allowed in excursive movements with an RPD (WS1 ppt)
when C/RPD
114
When do abutment preparations for the RPD come in Phase 2(WS1 ppt)
at end of Phase 2 after ODCT
115
Recall schedule Post RPD delivery (Phase 5) (WS1 ppt)
24 hr recall, 7-14 days recall, 1 mouth recall
116
3 questions to ask when evaluating dentures of a new patient (WS2 ppt)
are the dentures good enough Do I need to fix them
| Should new ones be made
117
What is the interocclusal clearance in the premolar region for mandibular rest position (WS 2 ppt)
2-4 mm
118
How should the maxillary incisal edges relate to the contour of the lower lip when smiling (WS 2 ppt)
follow contour lower lip
119
resistance to denture movement when occlusalward forces are applied (WS2 ppt)
retention
120
resistance to denture movement when tissueward forces are applied (WS 2 ppt)
stability
121
Chewing instructions for dentures (WS2 ppt)
no incising, chew bilaterally simultaneously, vertical chewing strokes
122
the RPD framework must contact at least ___ teeth(WS 2 ppt)
3 teeth
123
What is the vertical and horizontal displaceability of natural teeth (WS4 ppt)
0.03 mm
124
What is the vertical and horizontal displaceability of artificial teeth (WS4 ppt)
vert 0.4mm, horizontal can be up to several mm
125
How are artificially teeth placed posteriorly: more lingually or buccally (WS4 ppt)
Lingually
126
type of contacts used to stabilize the dentures during function in the artificial dentition (WS4 ppt)
balancing contacts
127
These forces can be adapted to in the natural dentition, but are not adapted to and can produce symptoms in the artificial dentition
non-vertical forces
128
) What is not desirable in artificial dentition that will cause destabilizing forces on the maxillary complete denture ( WS4 ppt)
mutually protected occlusion
129
What is the envelope of function for artificial dentition (WS4 ppt)
up and down versus the teardrop envelope of natural dentition
130
natural vs artificial dentition closing force (WS4 ppt)
5-175 lbs for natural vs 22-24 lbs artificial
131
Malocclusion in natural vs artificial dentition (WS4 ppt)
natural dentition malocclusion may be uneventful for years while artificial dentition malocclusion will have an immediate response
132
Ideal occlusal plane should be higher where: anterior or posterior (WS4 ppt)
higher posterior
133
What is the width determination for a maxillary central incisor (WS5 ppt, pg384)
pt’s bizygomatic width divided by 16
134
Complete denture occlusal schemes (WS5 ppt)
neutrocentric
Balanced w/ cusped teeth
Lingualized
Balanced with monoplane teeth set to curve
135
Natural dentition occlusal schemes (WS5ppt)
anterior guidance
Group function
Progressive disclusion
136
Anterior reference point for establishing plane of occlusion (WS5 ppt)
Maxillary central incisal edge
137
Posterior reference point for establishing plane of occlusion (WS5 ppt)
1⁄2-2/3 up retromolar pad
138
Key to occlusion with artificial over natural dentition (Stewart’s 393)
bilateral occlusal contact of posterior teeth and prosthesis cannot hold opposing natural dentition apart
139
If the RPD is tooth-borne what occlusion is desirable (Stewart’s 394)
as close to natural with mutually protected articulation
140
When should group function be used in a tooth- borne RPD occlusal scheme (Stewart’s 394)
if group function was present before and did not contribute to tooth loss
141
Occlusion desired for RPD opposing a complete denture (Stewart’s 394)
balanced
142
bilateral, simultaneous contact of anterior and posterior teeth in centric and eccentric positions (Stewart’s 394)
balanced occlusion
143
There is ongoing controversy about the design re- quirements for free end or extension base removable partial dentures. The debate centers on...
The debate centers upon the amount of support that should be derived from the edentulous ridge and that which should be derived from the remaining teeth
144
three approaches to force distribution
1. Stress equalization
2. Physiologic basing
3. Broad stress distribution
145
These practitioners believe that equaliza- tion can best be accomplished by recording the anatomy of the edentulous ridge in its functional form and ensuring that the associated denture base accu- rately reflects this anatomy.
physiologic basing
146
distributing forces over as many teeth and as much of the soft tissue area as possible
broad stress distribution
