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Bicanineate
Two-cusp type of mandibular second premolar.
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Bifurcated
Divided into two.
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Bifurcation
Area in which two roots divide.
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Canine Eminence
External vertical bony ridge on the labial surface of the canines.
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Central Groove
Most prominent developmental groove on the posterior teeth.
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Cingulum
Raised, rounded area on the cervical third of the lingual surface.
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Cusp
Major elevation on the masticatory surfaces of canines and posterior teeth.
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Cusp of Carabelli
The fifth supplemental cusp found lingual to the mesiolingual cusp.
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Diastema
A space between two teeth.
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Fossa
Wide, shallow depression on the lingual surfaces of anterior teeth.
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Furcation
Area between two or more root branches.
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Imbrication lines
Slight ridges that run mesiodistally in the cervical third of the teeth.
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Incisal edge
Ridge on permanent incisors that appears flattened onlabial, lingual, or incisal view after tooth eruption.
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Inclined cuspal planes
Sloping areas between the cusp ridges.
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Mamelon
Rounded enamel extension on the incisal ridges of incisors.
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Marginal groove
Developmental groove that crosses a marginal ridge and serves as a spillway, allowing food to escape during mastication.
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Marginal ridge
Rounded, raised border on the mesial and distal portions of the lingual surfaces of anterior teeth and the occlusal table of posterior teeth.
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Molars
Teeth located in the posterior aspect of the upper and lower jaws.
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Morphologically, morphologic, morphology
Branch of biology that deals with form and structure.
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Nonsuccedaneous
Pertaining to a permanent tooth that does not replace a primary tooth.
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Pegged laterals
Incisors with a pointed or tapered shape.
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Succedaneous teeth
Permanent teeth that replace primary teeth.
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Triangular groove
Developmental groove that separates a marginal ridge from the triangular ridge of a cusp.
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Tricanineate
A three-cusp type of mandibular second premolar.
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Trifurcated
Divided into three.
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Trifurcation
Area in which three roots divide.
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