Lecture 4-Setting Teeth, Esthetics, Occlusion Flashcards
Crazy hard question: Anterior teeth are primarily selected to satisfy _______ requirements
esthetic
Another crazy hard question: Posterior teeth are primarily selected to satisfy _________
occlusion
Most manufacturers have followed the concept of dividing tooth moulds according to the basic shapes of ______, _____, and ______. In general this technique for tooth selection is considered ANTIQUATED :)
square, tapering, and ovoid…
DENTOGENICS is a concept for picking denture teeth based on ______, ______, and ____.
Sex, personality, and age
In the Dentogenics concept for denture teeth, which teeth were the “personality teeth?”
maxillary lateral incisor
The need for LIP SUPPORT from the teeth and denture flange varies depending upon the degree of _______…the amount of lip support needed can be determined during ______ and ______
ridge resorption…wax rim or esthetic try-in
What is the most critical factor in anterior tooth selection?
size
What are the two type of “mould forms” when selecting denture teeth?
soft and bold
COOL! the average width of maxillary central incisor is about __/__ of the face width between the Zygoma.
1/16
What are the 3 factors affecting the SIZE of the denture teeth selection?
1.Size of face 2.High Lip Line (Smile line) 3.Distance between canine eminences
What are the three factors affecting the FORM of the denture teeth selection?
1.Form of the face 2.sex 3.age
What are the three typical categories for FORMS of the face?
1.Square 2.Tapering 3.Ovioid
As the body of the females loses its curvatures, the teeth do what?
loose their curves too
AGE: The teeth of the male become more ______ in form to complement added weight and Squareness of body
square
What are the 4 factors for the ARRANGEMENT of denture teeth?
1.age 2.sex 3.personality 4.artistic
IN FEMALES: Incisal edges of Maxillary Anteriors follow
the ________
LOWER LIP CURVATURE
IN FEMALES: Distal surface of _______ are rotated in a posterior direction when viewed from frontal view
CENTRAL INCISIORS
FEMALES: _____ surface of lateral incisor is often seen in anterior relation to central incisor
MESIAL
FEMALES: ______ surface of canine is rotated in a posterior direction
DISTAL
MALES: ______ surface of lateral incisor is hidden behind the distal surface of the central
MESIAL
MALES: The canines are rotated less posterior so the ______ 2/3 of the labial surface is exposed when viewed in a labial view
MESIAL
The two principal colors in teeth are ______ and _____
yellow and gray
Never show your patient the ______ shade unless they ask for it
LIGHTEST
Anterior Maxilla Pattern of Resorption: Following extraction, resorption is from ______ towards the ______. Therefore anterior teeth should NOT be placed directly over the _____.
LABIAL towards the LINGUAL…..RIDGE
SOUNDS: if the lips are not supported properly by the teeth these sounds may be defective
“p”, “b”
SOUNDS: these are produced by contact between the maxillary incisors and the posterior one-third of the lower lip
“f” , “v”
SOUNDS: these are made by contact between the tip of the tongue and the palate at the rugae area with a small space for the escape of air
“S” , “sh”
Lingupalatal “S” sounds: If the space is too small a ______ usually results
whistle
Linguopalata “S”: if the space is too broad and thin, the s sound is replaced by the sh sound which sounds like a ____
LISP
Labial Incisal Postion- middle aged female = __mm, middle aged male = __mm
female = 7mm, male = 5mm
young female has greater ______ of smile line
curvature
What are the three possible materials for ANTERIOR denture teeth?
1.porcelain 2.pastic 3.plastic facing
These are advantages for what material of anterior denture tooth?…. 1. Resist wear 2. Resist staining 3. Good esthetics
PORCELAIN
These are the disadvantages for what material of anterior denture tooth?…1. Need sufficient space
2. Difficult to obtain a highly polished surface after recontouring 3. Breakage is more common 4. Must NEVER oppose natural teeth
PORCELAIN
These are advantages for what material of anterior denture tooth?….1. Easily contoured and polished 2. They bond physico-mechanically with resin denture bases 3. Teeth can be stained easily for characterization
PLASTIC
These are the disadvantages for what material of anterior denture tooth?…1. Tendency to excessive wear 2. Tendency to stain from food, coffee, tea and lozenges
PLASTIC
What are the 5 possibilities for POSTERIOR denture teeth??
1.Porcelain 2.plastic 3.plastic facing 4.metal 5.metal occlusal
These are advantages for what material of POSTERIOR denture tooth?….1. Resist wear 2. Resist staining 3. Good esthetics 4. Maintain occlusal vertical dimension
PORCELAIN
These are the disadvantages for what material of POSTERIOR denture tooth?… 1. Need sufficient space 2. Difficult to obtain a highly polished surface after recontouring 3. Breakage is more common in patients with heavy biting forces and parafunctional habits 4. Will wear opposing gold restorations, natural and plastic teeth
PORCELAIN
These are advantages for what material of POSTERIOR denture tooth?….1. Easily contoured and polished
- Can be used easily in limited spaces 3. They bond physico-mechanically with resin denture bases
- Teeth can be stained easily for characterization
- Can be used opposing gold restoration, natural or plastic teeth 6. Esthetically pleasing
PLASTIC
These are the disadvantages for what material of POSTERIOR denture tooth?… 1. Tendency to excessive wear with possible loss of vertical dimension 2. Tendency to stain from food, coffee, tea and lozenges
PLASTIC
These are advantages for what material of POSTERIOR denture tooth?….1. Very desirable when opposing gold restorations 2. Overcome the problem of losing vertical dimension
METAL
These are the disadvantages for what material of POSTERIOR denture tooth?…1. expensive
METAL
The poorer the record base stability, the less ______ is indicated.
cusp height
Patients with poor neuromuscular control have difficulty accommodating to anatomic occlusions. They are best served with _______ occlusal schemes.
monoplane
Anxious, nervous individuals are more apt to brux, which can be especially traumatic to the supporting structures when anatomic posterior denture teeth are used. They are best served with ________ occlusal schemes.
MONOPLANE
A skeletal class II & III relationship requires _________ posterior teeth
NON-anatomic
Crossbite: ________ posterior teeth are often used.
non anatomic
Advantages of monoplane occlusion: Reduction of _______ forces
horizontal
Advantages of monoplane occlusion: ____ can be recorded as an area and not a point
CR
Advantages of monoplane occlusion: freedom of _______
movement
Advantages of monoplane occlusion: can develop a solid _______ despite arch alignment discrepencies
occlusion
Advantages of monoplane occlusion: easily adapted to situations prone to denture base ______-
shifting
Advantages of monoplane occlusion: easy to set and ______
adjust
DISadvantages of monoplane occlusion: No _______ component to aid in shearing during mastication
vertical
DISadvantages of monoplane occlusion: Pt may complain of lack of positive ____
MIP
DISadvantages of monoplane occlusion: ______ limited, not natural
esthetically
Advantages of anatomic/semianatomic occlusion: Definite point of positive ____ may be developed
MI
Advantages of anatomic/semianatomic occlusion: _______ similar to natural dentition
esthetically
Advantages of anatomic/semianatomic occlusion: Tooth-to-tooth and cusp-to-cusp _______ occlusion can be achieved
BALANCED
Advantages of anatomic/semianatomic occlusion: Maintains some shearing ability after moderate _____
WEAR
DISadvantages of anatomic/semianatomic occlusion: Difficult to ___
SET :(
DISadvantages of anatomic/semianatomic occlusion: Less _______ to arch relation discrepancies
adaptable
DISadvantages of anatomic/semianatomic occlusion: _______ force development due to cusp inclinations
HORIZONTAL
DISadvantages of anatomic/semianatomic occlusion: Harmonious _______ occlusion is lost with denture base settling
BALANCED
DISadvantages of anatomic/semianatomic occlusion: Requires frequent follow-up and may require more frequent ______ to maintain proper occlusion
RELINES
The teeth should gradually _____ along the occlusal plane toward the back to give an impression of distance
rise
The HEIGHT of the ________ ANTERIORLY is determined by the placement of the anterior teeth (Esthetic), the corners of the mouth and the dorsum of the tongue.
occlusal plane
Posteriorly, the height of the occlusal plane terminates WHERE?
two-thirds of the way up the retromolar pad
The _______ of the molars should be over the center of the mandibular ridge.
central fossa
CR = ___ in complete dentures!
CR = MI
Setting maxillary posteriors…The ___ and ____ cusps of the maxillary first molar touch the occlusal plane.
MB and ML
Setting maxillary posteriors…The DB cusp is raised about ___ mm and the DL cusp is raised about ___-___ mm above the occlusal plane.
0.5mm….0.5-0.75mm
All of the cusps of the _______ are raised from the occlusal plane following the position of the first molar.
second molar
Max 2nd molar: The ___ cusp should be about 1 mm from the occlusal plane.
MB
BOOM: What are the two types of complete denture occlusion? WHATS THE PREFERENCE?
1.Bilateral Balanced 2.Neutrocentric….bilateral balanced is preferred
What is the main determinant of denture tooth position?
anatomy
What are the two ways we can still achieve bilateral balanced occlusion with monoplane teeth?
1.balancing ramps 2.manipulating curve of spee/wilson
***In all lateral excursions you should observe at least _____ points of CONTACT bilaterally if bilateral balance is to be achieved.
3
