Tooth Identification Flashcards
(40 cards)
curvature of the cementoenamel junction (CEJ) is about 1 mm __ on the distal surface of the tooth than on the mesial
less
if the tooth curve, they usually curve _____, especially at the apex of the root
distally
the distal incisal edges of anterior teeth are more ___ than the mesial incisal edges
rounded
curvature of the cementoenamel junction (CEJ) is about 1 mm __ on the mesial surface of the tooth than on the distal
more
mandibular anterior teeth tend to wear on the _____ edges
labial incisal
maxillary teeth wear on the ____ edges
lingual incisal
permanent molars are generally ____ in height and have ____ cusps the more posterior they are positioned
smaller; fewer
permanent molars tend to have more ____ the more posterior they are positioned
secondary and tertiary anatomy
roots of molars tend to be ____ and ____ the more posterior the molars are positioned, and the roots are often ____
shorter; closer together; fused into one
the more ____ the molars are positioned, the more ____ is evident
posterior; variation of anatomy
maxillary incisors
-____ crowns
-____ on labial
-____ on lingual
-wider
-convex
-concave
maxillary central incisors
-____ angle sharp
-mesioincisal (90 degrees)
maxillary lateral incisors
-____ than central
-smaller
mandibular incisors
- ___ than maxillary central or lateral incisor
-smaller
mandibular central incisors
-most ___ tooth to distinguish from ___
-difficult; left to right
mandibular lateral incisors
-___ than mandibular central
-larger
maxillary canine
-lingual surface is ___
-___directly over root
-well developed marginal ridges, cingulum, and fossa
-cusp tip
mandibular canine
-lingual surface is ___
-smooth with poorly developed ridges, cingulum, and fossa
maxillary first premolars
-have ___ roots
-buccal cusp is slightly ___ than lingual cusp
-two
-longer
which premolars is the only one to have two roots?
maxillary first premolars
maxillary second premolars
-___ root
-buccal and lingual cusps are ___
-one
-nearly same height
mandibular first premolars
-buccal cusp is ____ than lingual cusp
-higher
to determine where to position teeth in persons mouth check
buccal side is more rounded and lingual side more flat for the tongue
mandibular second premolars
-has ____
-___ outline
-central pit
-pentagonal