Denture (Napoleon) Dynamite Q1 Flashcards
1
Q
How many visits for a Denture?
A
6
2
Q
Edentulism, in terms of raw numbers, is increasing in the US
A
True
*37.9 million by 2020
3
Q
Percentage of denture users that will have at least 1 problem with the denture
A
60%
4
Q
T/F
Most edentulous patients are quite satisfied with their dentures
A
True
5
Q
What % of pts are NOT satisfied with their dentures
A
5-20%
6
Q
Visit 1 Clinical Procedure:
Visit 1 Lab Procedure:
A
Exam and Preliminary Impression
Diagnostic Casts and Custom Trays
7
Q
Visit 2 Clinical Procedure:
Visit 2 Lab Procedure:
A
Border Molding/Final Impression (w/ Custom Trays)
Master Casts/Record Bases
8
Q
Visit 3 Clinical Procedure:
Visit 3 Lab Procedure:
A
Adjust Record Bases/Facebow (CR)
Mount Master Casts using Record Bases
9
Q
Visit 4 Clinical Procedure:
Visit 4 Lab Procedure:
A
Esthetic Try-In
Remount if needed
10
Q
Visit 5 Clinical Procedure:
Visit 5 Lab Procedure:
A
Clinical remount/Delivery
Remount
11
Q
Visit 6 Clinical Procedure:
Visit 6 Lab Procedure:
A
Denture adjustment
Remount if needed
12
Q
Highly compressible and displaceable soft tissue seen in the anterior residual ridge of the Mx or Mn
A
Denture Fibroma
13
Q
Massive roll of hyperplastic tissue which extends from the anterior residual ridge to the oral vestibule in the Mx
A
Epulis Fissuratum
*aka Inflammatory Fibrous Hyperplasia
14
Q
If Denture fractures w/in the first year, it is usually b/c…
If fracture happens after 4 years, it is usually b/c…
A
Frenae
Maxillary resorption
15
Q
T/F
A Pendulous Mx Tuberosity must be removed prior to denture
A
True
16
Q
Combination Syndrome is Edentulous _______
Partially dentate _______
This leads to Resorption occurring where?
Hypertrophy (fibrous hyperplasia) occurring where?
A
Mx
Mn
Premaxilla (opposed by Mn anteriors) and Mn posterior
Mx Tuberosity
17
Q
T/F
There is a type of reverse Combination Syndrome in which we never make full Mn denture opposing partially edentulous Mx b/c of Jaw Resorption
A
True
18
Q
If there is widespread inflammation over denture-bearing mucosa it will recover in ______ days upon removal of denture
A
2-3 days
*or use tissue conditioning matl
19
Q
T/F
Inflammatory Papillary Hyperplasia is a premalignant condition
A
False
20
Q
Where does Inflammatory Papillary Hyperplasia occur?
secondary to…
Tx:
A
Mx
- secondary to ill fitting dentures
- AF or surgery
21
Q
What condition begins as an Ulcer secondary to ill fitting dentures
A
Inflammatory Fibrous Hyperplasia
22
Q
Tx for Inflammatory Fibrous Hyperplasia (Epulis Fissuratum)
A
Re-Fit
OS (most)
23
Q
T/F
Tissue Conditioning involves adding matl to the denture to give tissue a break
A
True
24
Q
Tissue Conditioning matl will last how long
A
2-3 weeks
25
Tx Chronic Candidiasis Rx Clotrimazole _____ 10 mg
Troches
*to suck on
26
Tx Chronic Candidiasis by soaking the denture for ___min in solution of __% bleach (Na hypochlorite), thoroughly rinse
30
1%
27
Tx Chronic Candidiasis Apply thin film of _____ ointment to inner surface of the denture after each meal
Nystatin
28
Describe epithelium in Diabetes Type I (lont-term insulin dependent)
This produced what for dentures?
thin, less keratinized
impaired tolerance
29
Oral Lichen Planus can decrease tolerance for Dentures
True
30
Pemphigoid lesions is a chronic _____ with scarring that can limit denture _____
ulceration
extensions
31
2 lesions that can transform into Squamous Cell Carcinoma
Leukoplakia
Erythroplakia
32
Unless detected early most pts with Squamous Carcinoma have a survival of less than _____%
50%
33
Early cancers are difficult to detect, advanced have low cure rates, so we must Detect when small, localized, and treatable
True
34
if Edentulous, Mx loss in what pattern?
Mn?
Vertical and Palatal
Vertical
35
Mn resorption occurs at ___x the rate of Mx resorption
4x
36
4 types of Pts we'll run in to:
Philosophical
Exacting
Indifferent
Hysterical
37
Retention is resistance to _______ displacement
Stability is resistance to ______ displacement
Support is resistance to ______ displacement
Vertical
Lateral
Vertical Occlusion
38
T/F
| The more keratinized the tissue, the better the support
true
39
RRR (residual ridge resorption) negatively impacts what 3 things?
Retention
Stability
Support
40
Implants minimize compression of the _______ and prevent resorption of underlying bone
mucoperiosteum
41
Preliminary impressions can be taken with what 2 matls?
Which is correctable? Greater accuracy?
Impression (modeling) compound - correctable
Irreversible hydrocolloid (Alginate) - greater accuracy
42
Anatomical feature that can prevent denture from rotating:
Denture should be relieved over what area?
Canine eminence
Incisive papilla
43
Distal to the hard and soft palate at the vibrating line:
Posterior palatal seal area
44
Capturing the ____ in the impression is critical to the retention of the Mx denture
Hamular Notch
45
Lateral movements capture what in the Mx?
Coronoid process
46
2 small pits in the posterior palate, one on each side of the midline at soft/hard palate interface
*will be posterior to the denture
Fovea palatina
47
Posterior 1/3 of the hard palate glandular tissue
*may produce irregular impression surface
Minor Salivary Glands
48
Ideal Mx ridge has a Square Arch and U shaped, with moderate palatal vault and well defined Hamular Notches
True
49
Center of Palate:
Hamular Notch:
Median Palatal Raphe
Pterygomaxillary Notch
50
The Alveolar Ridge is used for primary support
False
*secondary support area
51
Muscle at the bottom of the Vestibule in the Mn:
Metalis
52
Primary stress bearing area of the Mn arch:
Buccal Shelf
*external oblique ridge/slope of residual ridge
***parallel to the occlusal plane and very dense
53
External Oblique Line and Crest of the Alveolar Ridge:
Buccal Shelf
54
T/F
| The Buccal Shelf is a primary support area
True
55
T/F
| The Retromolar pad is a primary support area and does NOT resorb
True
56
3 Mn support areas:
Retromolar Pad
Buccal Shelf
Alveolar Process
57
Distal and Lateral Groove:
Masseter Groove
58
Formed by surface of sublingual gland surface and ducts:
Sublingual Folds
59
Interior Mn ridge
Mylohyoid Ridge
60
Distal end of the Alveolingual Sulcus:
*important for retention
Retromylohyoid Space
61
Mx Tray Handle ____mm thick
____mm wide
labial flange to incisal edge:
3-5 mm
10-15 mm
22mm
62
Mn Tray Handles - Laterals width
Middle width:
20 mm (5-7 mm)
10-15 mm (3-5mm)
63
How far away should the Custom Tray be to the Vestibule?
2-3 mm
64
What are the only 2 matls you can use to make a Border Mold?
PVS
green stick compound
65
The occlusal wax rim is how high?
22 mm
66
3 Final Impression Techniques:
Selective Pressure
Mucostatic
Functional
67
Posterior Palatal Extension should go ___mm beyond the ______
2 mm
Vibrating Line
68
3 Final Impression Matls:
Zinc Oxide Eugenol
Polysulfides (rubber)
Polyether/PVS
69
3 Advantages to using Zinc Oxide Eugenol for final impressions:
3 disadvantages:
Accuracy, Stability, Inexpensive
messy, can't disinfect, irritating, fractures
70
Final impression matl that is low cost, high flex, long working time
but, bad taste, low viscosity
Polysulfide
71
What Impression matl is recommended for Mx?
What can also be used?
Polysulfide
PVS
72
Light body Polysulfide matl takes how long to Polymerize?
7-8 minutes
73
After the Final Impression is made what must be done to it?
Disinfect
74
If kept dry, ______ have good dimensional stability for up to 1 week
*final impression matl
Polyethers
75
Polyethers are stable for 1 week but have ___ cost and bad taste
high
76
PVS can have excessive flow, isn't as hydrophilic, and is _______
Expensive
77
The Land Area must be ____mm wide
4-5 mm
78
In setting the Stone (after boxing), what can be left overnight?
What can't?
PVS or Polyether
Alginate
79
The Master Cast Should be how thick?
15 mm
*with 4-5 mm Land Area
80
Trim the height of the Land Area so the depth of the peripheral roll is ___ mm throughout
1-3 mm
81
Temporary device representing the base of a denture and used for making JRR/teeth arrangement
Record Base
82
The top 1/3 of the Ascending Ramus represents what?
Occlusal Plane
83
The average distance between the deepest portion of the vestibule and the incisal edge:
22 mm
84
Occlusal rim dimensions _____ mm wide in the front
___ mm in the PMs
____mm in the Ms
3- 5 mm
5-7 mm
8-10 mm
85
The facial surface to the Papilla (when making Wax Rims) should be how wide?
*wax thickness...
7 mm (5-7)
*wax thickness 3-5mm
86
What undercuts should be blocked out?
Excessive
87
Mx Custom Tray Handle _______mm mesiodistal
____ mm buccolingual
______ height from labial flange to incisal edge
10-15mm
3-5mm
22mm
88
Mn Custom Tray Handles ______mm mesiodistal Anterior
______mm mesiodistal Posterior
_____mm Height labial flange to Incisal edge
15
20
18
89
Basin water should be set at...
122
90
In the Mx, Border Molding in the Posterior should be where the Posterior Palatal ______ will be, ______ to the Vibrating Line
Seal
Anterior
91
Boxing, PVS adhesive is placed where?
Attach how many rope wax layers?
When boxing added around outside, keep in mind base to height of stone should be ____mm
External of impression past peripheral Roll
2
15mm
92
Mx Occlusal Wax Rim height:
Mn:
22 mm
18 mm
93
The original preliminary impression is done in what material?
Alginate
94
In the 2nd visit, border molding can be done with green wax or what kind of PVS?
Heavy body
95
T/F
| A pendulous maxillary tuberosity doesn't need to be removed
True
96
What begins as a traumatic ulcer secondary to an ill-fitten denture flange?
Fibrous Hyperplasia
97
Surgery is required for Inflammatory fibrous hyperplasia (Epulis Fissuratum)
True
98
Oral lichen planus is a _____ lesion that will cause compromised support/tolerance for the _____ denture
Erosive
Mandibular
99
RRR (residual ridge resorption) is often a consequence of what?
Tooth loss
100
T/F
| Keratinized attached mucosa increases support and tolerance to occlusal load
True
101
With alginate, often recommended to use ____ water for a thicker mix, especially for the ______ arch
less
Mx
102
Be sure to capture the ______ notch on the Mx
and the _______ on the Mn
Hamular (pterygomaxillary)
Retromolar pad
103
T/F
The alveolar ridge (Mn) is considered a secondary support area b/c there is a high rate or resorption when excessive pressure is applied to the area
True
104
The Buccal Shelf is found on the _______ arch and is a ______ support area
Mn
Primary
105
Why is the Retromolar pad one of the Primary support areas of the Mn?
Does not resorb in response to pressure
106
3 Mn support areas:
Retromolar Pad
Buccal Shelf
Alveolar process (most affected by bone resorption)
107
Mx tray handle ____mm thick (B/L) and ____mm wide (M/D)
Mn trays handles thickness (B/L) ___ mm anterior and ____mm for posteriors
3-5mm 10-15mm
3-5mm 5-7mm
108
3 types of impression techniques:
Selective Pressure impression (specific area pressured)
Mucostatic impression (minimal/no pressure)
Functional impression (pressure entire - mostly w/ pt already has denture)
109
For a mucostatic impression, what type of material is used?
Light body
110
Leave the denture out ___hrs prior to the final impression appt
24 hrs
111
3 types of Final Impression materials:
Zinc Oxide-Eugenol (non-elastic) - can't disinfect
Polysulfides (rubber, smells bad)
Polyether or PVS
112
Polysulfides are low cost but they smell bad (rubber)
*also high viscosity
True
113
Heavy material (PVS) is only used for what?
Border molding
114
What type of matl is recommended for Mx impressions?
light body polysulfide (rubber, smells bad)
*PVS also
115
Light body Polysulfide (rubber, smells bad) requires how long to polymerize?
7-8 minutes
116
Pour up Polysulfide impression w/in how much time to avoid distortion?
1 hr
117
If kept dry, what matl has good dimensional stability for up to 1 week?
Polyethers
118
Polyethers can be stored, have ___ cost, and ___ taste
high
bad
119
Why do you immerse the cast into hot water for 5 minutes after stone has set (for 1 hr)
soften compound (Border Molding)
120
The Land Area on Master casts should be how wide?
Height from vestibule depth?
4-5 mm
1-3 mm
121
The Mn wax occlusion rim fabrication should be ___mm high and go up ___ of the Retromolar pad
18 mm
2/3
122
3 Mx anatomical landmarks (prior to fabricating Record Base)
4 Mn anatomical landmarks (same):
incisive papila, posterior ridge, midline
retromolar pad, upper 2/3 retromolar pad, ascending ramus mandible, center posterior ridge
123
Wax Occlusal Rims (Mx), place rim former where?
Hamular Notch
124
Mx Wax Rim facial surface (of CI's) to incisive papilla:
molar width:
PM width:
Anterior width:
Rim to depth of vestibule:
5-7mm
8-10mm
5-7mm
3-5mm
22mm
125
Mn Wax Rim depth of vestibule to incisal edge:
Retromolar pad height:
15-18mm
2/3
