CH. 12 Key Terms
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each of the black spaces below before clicking
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| Bicanineate | two-cusp type of mandibular second premolar
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| Bifurcated | Divided into 2
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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 | fifth supplemental cusp found lingual to the mesiolingual cusp
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| Diastema | space or gap 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 Line | 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 on labial, 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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| Morphology | study of form and shape, as of the teeth
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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 | 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 | three-cusp type of mandibular second premolar
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| Trifurcated | divided into 3
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| Trifurcation | area in which three roots divide
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| Bifurcation | area in which 2 roots divide
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