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32 Cards in this Set
- Front
- Back
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posterior teeth have prox contacts =
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middle 1/3
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post tooth has mesial contact slightly
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more occlusal than distal contact
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IL JM JM MM MM MM MM M
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MAX
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II II IM MM MM MM MM M
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MAND
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More anterior the tooth
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more incisal/occlusal are prox contacts
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mesial contact are is more
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towards incisal/occlusal
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contact areas btw post teeth aid
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prevent rotation
mesial drift |
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increases with age
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contact surface area
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worn dental arches show
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area area contact
bruxism |
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character of occlusal contacts makes
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chewing easier
bc abundant spillways on occlusal table |
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fxns of HOC
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forms contact area
protects gingiva |
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location of HOC
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cervical 1/3
facial of all teeth lingual of all anteriors >on cingulum |
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location of HOC for
middle 1/3 |
middle 1/3
lingual surface of all MAX/MAND posterior |
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when view occlusally a straight line drawn that bisect all contact areas on
mand teeth are aligned |
pm 2 / m1 / m2
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contact are all ? of middle 1/3 of mand posteriors
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buccal
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contacts are buccal to
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middle 1/3 of mand post
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CEJ contours related to
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attachment of gingiva at neck of tooth
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greatest contour of cervical lines / ging attachments
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mesial surfaces of anterior teeth
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greatest curvature
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mesial surface of max central
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greater prox CEJ curvature on
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mesial
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prox CEJ curvature are greater on
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incisors
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tends to get smaller as move towards molars
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prox cervical line CEJ curvature
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CEJ cervical line curves towards
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apex on
facial lingual |
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CEJ cervical line curves
away |
from apex on
mesial distal |
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greatest prox cervical line curvature on
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mesial
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all post when viewed occlusally have contacts >
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buccal of middle 1/3
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ij
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max central
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perm mand lateral mesial contact area =
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incisal 1/3
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central lateral canine
IJ JM JM II II IM |
CONTACT AREAS FOR ANTERIORS
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view anteriors occlusally contact areas
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middle 1/3
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centered F-L
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anterior contact areas
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distal contact slightly cervical to mesial contact although m & d contacts are in incisal 1/3
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mand lat
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