Term
click below
click below
Term
Normal Size Small Size show me how
DEN100
CH. 12 Key Terms
Term | Definition |
---|---|
Bicanineate | two-cusp type of mandibular second premolar |
Bifurcated | Divided into 2 |
Canine Eminence | external vertical bony ridge on the labial surface of the canines |
Central Groove | most prominent developmental groove on the posterior teeth |
Cingulum | raised, rounded area on the cervical third of the lingual surface |
Cusp | major elevation on the masticatory surfaces of canines and posterior teeth |
Cusp of Carabelli | fifth supplemental cusp found lingual to the mesiolingual cusp |
Diastema | space or gap between two teeth |
Fossa | wide, shallow depression on the lingual surfaces of anterior teeth |
Furcation | area between two or more root branches |
Imbrication Line | slight ridges that run mesiodistally in the cervical third of the teeth |
Incisal Edge | ridge on permanent incisors that appears flattened on labial, lingual, or incisal view after tooth eruption |
Inclined Cuspal Planes | sloping areas between the cusp ridges |
Mamelon | rounded enamel extension on the incisal ridges of incisors |
Marginal Groove | developmental groove that crosses a marginal ridge and serves as a spillway, allowing food to escape during mastication |
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. |
Molars | teeth located in the posterior aspect of the upper and lower jaws |
Morphology | study of form and shape, as of the teeth |
Nonsuccedaneous | pertaining to a permanent tooth that does not replace a primary tooth |
Pegged Laterals | incisors with a pointed or tapered shape |
Succedaneous | permanent teeth that replace primary teeth |
Triangular Groove | developmental groove that separates a marginal ridge from the triangular ridge of a cusp |
Tricanineate | three-cusp type of mandibular second premolar |
Trifurcated | divided into 3 |
Trifurcation | area in which three roots divide |
Bifurcation | area in which 2 roots divide |