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37 Cards in this Set

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Equation for width of central incisor
(bizygomatic width)/16
Equation for width of 6 anterior teeth on flat surface
(bizygomatic width)/3.3
Laterals overlap centrals in males or females?
females
Which portion of maxillary incisors support the lips?
gingival 1/3
Which portion of maxillary incisors provide esthetics?
incisal 1/3
centrals tend to rotate slightly mesially or distally
distally
Which part of the central incisor is slightly depressed?
neck
how far up are laterals from the occlusal plane?
usually .5-1 mm
TF The neck of the central incisor is more depressed than the lateral incisor's neck.
False - lateral neck is more depressed
what ivoclar mold did we pick for bob? ANT max and ant mand
A41 for max; A3 for mand
What ivoclar mold did we pick for bob? POST. max and post. mand
LU3 for post max.; ML3 for post mand
Do we mount teeth in max/mand casts before or after the esthetic try in?
before
Do we mount teeth in max/mand casts before or after the preliminary try in with the RBOR?
after - need to establish VDO, CR first
3 components of dentogenics
SPA - sex, personality, age
Guides that can be used to help select denture teeth
dx casts of natural teeth, residual ridges' size, anthropoetric measurements, photographs of their natural teeth, radiographs relatives' teeth, marks on max. rim indicating relaxed CORNERS of the mouth, previous Dentures [CRAP uXoRiCiDe]
Do males have sharp or blunt canines
blunt
Do females have sharp or blunt canines
sharp
Which gender has the anterior teeth closely follow the lower lip?
females (not a lot of mand anteriors showing with smile)
3. TF The high smile line scribed into wax of the maxillary occlusion rim usually indicates the minimum incisogingival height of the mx. anterior teeth
TRUE
4. TF The factors of age, sex, personality [SPA] are scientifically proven to help develop an esthetically pleasing denture.
false - no scientific studies
6. What governs the overall MD width of mand posterior teeth?
amnt of space available from distal end of canine to beginning slope of retromolar pad
10. What are the most common tooth selection errors in shad and size?
too light in shade and too small in size
How do we determine width of the 6 anterior teeth
measure from commissure marks on wax rim
Anterior ridge relationship affects canine alignment, so for CLASS II pt, we use narrower or wider mandibular teeth than recommended by pamphlet guide?
narrower canines for class II
Anterior ridge relationship affects canine alignment, so for CLASS III pt, we use narrower or wider mandibular teeth than recommended by pamphlet guide?
shorter/wider canines for class III [cuz they gotta go so far back]
List the steps in selecting teeth from the BlueLine Form Selector
1. Width of maxillary anteriors; 2. Form (soft/bold); 3. length of teeth [V fingers on maxilla, then corners of mouth (eatin poon), then flip sideways]
Most important factor in selecting tooth color for pt is...
pt desires! this is NOT scientific. also based on complexion, age. However, not too light nor not too dark is scientifically proven... p.14?
TF Setting teeth on the residual ridge usually provides adequate lip support.
FALSE - teeth on ridge will NOT provide lip support (mx incisors' gingival 1/3 suppors lips)
TF The smile line follows the contour of the upper lip.
FALSE - lower lip since the upper lip stays fairly straight
which group has the greatest smile line curvature
young, nubile females
which group has the least smile line curvature
older males
TF The long axis of the lateral should be inclined more mesially than that of the central
false - distal inclination of long axis of lateral
TF The long axis of the lateral should be inclined more distally than that of the canine
false - canine is more distaly inclined than lateral
1. For most patients, when considering the arrangement of the maxillary anterior teeth, what determines esthetics? What determines the fullness of the lips (lip support)?
incisal 1/3 of max ant determine esthetics; cervical (necks) determien lip support/fullness
3. Alterations of the maxillary lateral incisors can he made to help create a more natural-appearing denture. What changes might he considered?
1. long axis inclination; 2. incisal edges up; 3. tooth width; 4. gingival margins; 5. tooth shade; 6. shapes of incisal edges, angles, proximal surfaces
4. The alignment of the canines is important from an esthetic standpoint. How should canines he arranged in comparison to the central and lateral incisors?
long axis of max. canine should have distal inclination with prominent necks; distal half shouldnt be visible when looked at from front
5. Why is it important to minimize the vertical overlap of the anterior teeth when arranging these teeth for a balanced occlusion?
minimize separation of posteriors during excursives, simplifying arrangement of teeth