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chapter 12
Jessalyn's
23
Anatomy
12th Grade
01/29/2012

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Term
bicanineate
Definition
a two -cusp type of mandibilar second premolar
Term
bifurcated
Definition
divided into two
Term
bifurcation
Definition
area in which two roots divide
Term
canine eminence
Definition
external vertical bony ridge on the lbial surface of the canines
Term
central groove
Definition
most prominent developmental groove on the posterior teeth
Term
cingulum
Definition
raised, rounded area on the cervical third of the lingual surface
Term
cusp
Definition
major elevation on the masticatory surfaces of canines and posterior teeth
Term
cusp of carabelli
Definition
the fifth supplemental cusp found lingual to the mesiolingual cusp
Term
diastema
Definition
a space between two teeth
Term
fossa
Definition
wide, shallow depression on the lingual surfaces of anterior teeth
Term
furcation
Definition
area between two or more root branches
Term
imbrication lines
Definition
slight ridges that run mesiodistally in the cervical third of the teeth
Term
incisal edge
Definition
ridge on permanent incisors that appears flattened on labial, lingual, or incisal view after tooth eruption
Term
inclined cuspal planes
Definition
sloping areas between the cusp ridges
Term
mamelon
Definition
rounded enamel extension on the incisal ridges of incisors
Term
marginal ridge
Definition
rounded, raised border on the mesial and distal portions of the lingual surfaces of anterior teeth and the occlusal table of posterior teeth
Term
molars
Definition
teeth located in the posterior aspect of the upper and lower jaws
Term
morphology
Definition
study of form and shape, as of the teeth
Term
pegged laterals
Definition
incisors with a pointed or tapered shape
Term
triangular groove
Definition
a developmental groove that separates a marginal ridge from the triangular ridge of a cusp
Term
tricanineate
Definition
a three-cusp type of mandibular second premolar
Term
trifurcated
Definition
divided into three
Term
trifuraction
Definition
area in which three roots divide
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