selecting and arranging teeth Flashcards
anterior teeth=
posterior teeth=
ant=esthetics
post=function
use what to measure the interalar distance
-classifies anterior sextant width into small, medium and large
interalar facial meter
5 ways to determine width of ant teeth
- measure width of central incisor or existing denture
- 1/16 bizygomatic width equals width of central bizygo. width divided by 3.3 = 6 ant
- corners of mouth marked on wax rim equals combined wisth of 4. anteriors on cured plane
- use interalar facial meter
ways to determine length of ant teeth
lip line, existing denture, anatomical landmark, distance between max and mand ridges
the distance from the hairline to the gnathion divided by 16 equals the length of the
central incisor
4 ways to determine teeth length
- 1/16 of distance from hairline to gnathion equals length of central incisor
- smile line
- measure existing denture
- distance between max and mand dentures
4 cateogries of geometric theory
square
sqaure tapering
tapering
ovoid
3 points are connected on each side of the face for geometric theory:
- temple
- zygomatic arch
- angle of the mandible
for mand, where do you measure to select posterior teeth
distal part of canine to ascending part of ridge
porcelain
pro=
con=
pro=esthetics
cons- clacking sounds, weight, abrasive
acrylic resin
pros
cons
pros= easily adjusted, chemical bond to resin
con- occlusal wear
at rest, ____mm of the maxillary centrals should be visible
1-2mm
space between buccal surfaces of upper teeth and the corners of the mouth when patient smiles
buccal corridor