CH 12

Two-cusp type of mandibular second premolar.

Divided into two.

Area in which two roots divide.

External vertical bony ridge on the labial surface of the canines.

Most prominent developmental groove on the posterior teeth.

Raised, rounded area on the cervical third of the lingual surface.

Major elevation on the masticatory surfaces of canines and posterior teeth.

The fifth supplemental cusp found lingual to the mesiolingual cusp.

A space between two teeth.

Wide, shallow depression on the lingual surfaces of anterior teeth.

Area between two or more root branches.

Slight ridges that run mesiodistally in the cervical third of the teeth.

Ridge on permanent incisors that appears flattened onlabial, lingual, or incisal view after tooth eruption.

Sloping areas between the cusp ridges.

Rounded enamel extension on the incisal ridges of incisors.

Developmental groove that crosses a marginal ridge and serves as a spillway, allowing food to escape during mastication.

Rounded, raised border on the mesial and distal portions of the lingual surfaces of anterior teeth and the occlusal table of posterior teeth.

Teeth located in the posterior aspect of the upper and lower jaws.

Branch of biology that deals with form and structure.

Pertaining to a permanent tooth that does not replace a primary tooth.

Incisors with a pointed or tapered shape.

Permanent teeth that replace primary teeth.

Developmental groove that separates a marginal ridge from the triangular ridge of a cusp.

A three-cusp type of mandibular second premolar.

Divided into three.

Area in which three roots divide.