Flashcards in Denture (Napoleon) Dynamite Q1 Deck (125):
How many visits for a Denture?
Edentulism, in terms of raw numbers, is increasing in the US
*37.9 million by 2020
Percentage of denture users that will have at least 1 problem with the denture
Most edentulous patients are quite satisfied with their dentures
What % of pts are NOT satisfied with their dentures
Visit 1 Clinical Procedure:
Visit 1 Lab Procedure:
Exam and Preliminary Impression
Diagnostic Casts and Custom Trays
Visit 2 Clinical Procedure:
Visit 2 Lab Procedure:
Border Molding/Final Impression (w/ Custom Trays)
Master Casts/Record Bases
Visit 3 Clinical Procedure:
Visit 3 Lab Procedure:
Adjust Record Bases/Facebow (CR)
Mount Master Casts using Record Bases
Visit 4 Clinical Procedure:
Visit 4 Lab Procedure:
Remount if needed
Visit 5 Clinical Procedure:
Visit 5 Lab Procedure:
Visit 6 Clinical Procedure:
Visit 6 Lab Procedure:
Remount if needed
Highly compressible and displaceable soft tissue seen in the anterior residual ridge of the Mx or Mn
Massive roll of hyperplastic tissue which extends from the anterior residual ridge to the oral vestibule in the Mx
*aka Inflammatory Fibrous Hyperplasia
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 Pendulous Mx Tuberosity must be removed prior to denture
Combination Syndrome is Edentulous _______
Partially dentate _______
This leads to Resorption occurring where?
Hypertrophy (fibrous hyperplasia) occurring where?
Premaxilla (opposed by Mn anteriors) and Mn posterior
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
If there is widespread inflammation over denture-bearing mucosa it will recover in ______ days upon removal of denture
*or use tissue conditioning matl
Inflammatory Papillary Hyperplasia is a premalignant condition
Where does Inflammatory Papillary Hyperplasia occur?
*secondary to ill fitting dentures
*AF or surgery
What condition begins as an Ulcer secondary to ill fitting dentures
Inflammatory Fibrous Hyperplasia
Tx for Inflammatory Fibrous Hyperplasia (Epulis Fissuratum)
Tissue Conditioning involves adding matl to the denture to give tissue a break
Tissue Conditioning matl will last how long
Tx Chronic Candidiasis Rx Clotrimazole _____ 10 mg
*to suck on
Tx Chronic Candidiasis by soaking the denture for ___min in solution of __% bleach (Na hypochlorite), thoroughly rinse
Tx Chronic Candidiasis Apply thin film of _____ ointment to inner surface of the denture after each meal
Describe epithelium in Diabetes Type I (lont-term insulin dependent)
This produced what for dentures?
thin, less keratinized
Oral Lichen Planus can decrease tolerance for Dentures
Pemphigoid lesions is a chronic _____ with scarring that can limit denture _____
2 lesions that can transform into Squamous Cell Carcinoma
Unless detected early most pts with Squamous Carcinoma have a survival of less than _____%
Early cancers are difficult to detect, advanced have low cure rates, so we must Detect when small, localized, and treatable
if Edentulous, Mx loss in what pattern?
Vertical and Palatal
Mn resorption occurs at ___x the rate of Mx resorption
4 types of Pts we'll run in to:
Retention is resistance to _______ displacement
Stability is resistance to ______ displacement
Support is resistance to ______ displacement
The more keratinized the tissue, the better the support
RRR (residual ridge resorption) negatively impacts what 3 things?
Implants minimize compression of the _______ and prevent resorption of underlying bone
Preliminary impressions can be taken with what 2 matls?
Which is correctable? Greater accuracy?
Impression (modeling) compound - correctable
Irreversible hydrocolloid (Alginate) - greater accuracy
Anatomical feature that can prevent denture from rotating:
Denture should be relieved over what area?
Distal to the hard and soft palate at the vibrating line:
Posterior palatal seal area
Capturing the ____ in the impression is critical to the retention of the Mx denture
Lateral movements capture what in the Mx?
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
Posterior 1/3 of the hard palate glandular tissue
*may produce irregular impression surface
Minor Salivary Glands
Ideal Mx ridge has a Square Arch and U shaped, with moderate palatal vault and well defined Hamular Notches
Center of Palate:
Median Palatal Raphe
The Alveolar Ridge is used for primary support
*secondary support area
Muscle at the bottom of the Vestibule in the Mn:
Primary stress bearing area of the Mn arch:
*external oblique ridge/slope of residual ridge
***parallel to the occlusal plane and very dense
External Oblique Line and Crest of the Alveolar Ridge:
The Buccal Shelf is a primary support area
The Retromolar pad is a primary support area and does NOT resorb
3 Mn support areas:
Distal and Lateral Groove:
Formed by surface of sublingual gland surface and ducts:
Interior Mn ridge
Distal end of the Alveolingual Sulcus:
*important for retention
Mx Tray Handle ____mm thick
labial flange to incisal edge:
Mn Tray Handles - Laterals width
20 mm (5-7 mm)
10-15 mm (3-5mm)
How far away should the Custom Tray be to the Vestibule?
What are the only 2 matls you can use to make a Border Mold?
green stick compound
The occlusal wax rim is how high?
3 Final Impression Techniques:
Posterior Palatal Extension should go ___mm beyond the ______
3 Final Impression Matls:
Zinc Oxide Eugenol
3 Advantages to using Zinc Oxide Eugenol for final impressions:
Accuracy, Stability, Inexpensive
messy, can't disinfect, irritating, fractures
Final impression matl that is low cost, high flex, long working time
but, bad taste, low viscosity
What Impression matl is recommended for Mx?
What can also be used?
Light body Polysulfide matl takes how long to Polymerize?
After the Final Impression is made what must be done to it?
If kept dry, ______ have good dimensional stability for up to 1 week
*final impression matl
Polyethers are stable for 1 week but have ___ cost and bad taste
PVS can have excessive flow, isn't as hydrophilic, and is _______
The Land Area must be ____mm wide
In setting the Stone (after boxing), what can be left overnight?
PVS or Polyether
The Master Cast Should be how thick?
*with 4-5 mm Land Area
Trim the height of the Land Area so the depth of the peripheral roll is ___ mm throughout
Temporary device representing the base of a denture and used for making JRR/teeth arrangement
The top 1/3 of the Ascending Ramus represents what?
The average distance between the deepest portion of the vestibule and the incisal edge:
Occlusal rim dimensions _____ mm wide in the front
___ mm in the PMs
____mm in the Ms
3- 5 mm
The facial surface to the Papilla (when making Wax Rims) should be how wide?
7 mm (5-7)
*wax thickness 3-5mm
What undercuts should be blocked out?
Mx Custom Tray Handle _______mm mesiodistal
____ mm buccolingual
______ height from labial flange to incisal edge
Mn Custom Tray Handles ______mm mesiodistal Anterior
______mm mesiodistal Posterior
_____mm Height labial flange to Incisal edge
Basin water should be set at...
In the Mx, Border Molding in the Posterior should be where the Posterior Palatal ______ will be, ______ to the Vibrating Line
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
Mx Occlusal Wax Rim height:
The original preliminary impression is done in what material?
In the 2nd visit, border molding can be done with green wax or what kind of PVS?
A pendulous maxillary tuberosity doesn't need to be removed
What begins as a traumatic ulcer secondary to an ill-fitten denture flange?
Surgery is required for Inflammatory fibrous hyperplasia (Epulis Fissuratum)
Oral lichen planus is a _____ lesion that will cause compromised support/tolerance for the _____ denture
RRR (residual ridge resorption) is often a consequence of what?
Keratinized attached mucosa increases support and tolerance to occlusal load
With alginate, often recommended to use ____ water for a thicker mix, especially for the ______ arch
Be sure to capture the ______ notch on the Mx
and the _______ on the Mn
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
The Buccal Shelf is found on the _______ arch and is a ______ support area
Why is the Retromolar pad one of the Primary support areas of the Mn?
Does not resorb in response to pressure
3 Mn support areas:
Alveolar process (most affected by bone resorption)
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 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)
For a mucostatic impression, what type of material is used?
Leave the denture out ___hrs prior to the final impression appt
3 types of Final Impression materials:
Zinc Oxide-Eugenol (non-elastic) - can't disinfect
Polysulfides (rubber, smells bad)
Polyether or PVS
Polysulfides are low cost but they smell bad (rubber)
*also high viscosity
Heavy material (PVS) is only used for what?
What type of matl is recommended for Mx impressions?
light body polysulfide (rubber, smells bad)
Light body Polysulfide (rubber, smells bad) requires how long to polymerize?
Pour up Polysulfide impression w/in how much time to avoid distortion?
If kept dry, what matl has good dimensional stability for up to 1 week?
Polyethers can be stored, have ___ cost, and ___ taste
Why do you immerse the cast into hot water for 5 minutes after stone has set (for 1 hr)
soften compound (Border Molding)
The Land Area on Master casts should be how wide?
Height from vestibule depth?
The Mn wax occlusion rim fabrication should be ___mm high and go up ___ of the Retromolar pad
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
Wax Occlusal Rims (Mx), place rim former where?
Mx Wax Rim facial surface (of CI's) to incisive papilla:
Rim to depth of vestibule: