Dental Cusps Ridges Grooves EXAM-GRADED A

Dental Cusps/Ridges/Grooves EXAM-
GRADED A

Major elevation on the masticatory surfaces of canines and posterior teeth - ANSWER-
cusp

elevated prominences on O surfaces of Max molars

runs from ML ==> DB cusp - ANSWER-oblique ridge

5th cusp on a maxillary first molar - ANSWER-Cusp of Carabelli

The highest point of a cusp. - ANSWER-cusp tip

The relationship of the posterior teeth where the cusp of one tooth fits into the fossa of
the opposing tooth. - ANSWER-cusp to fossa relationship

linear elevation of tooth structure - ANSWER-ridge

raised, rounded area on the cervical third of the lingual surface - ANSWER-Cingulum

A ridge on the occlusal surface - ANSWER-occlusal ridge

Prominent elevations, triangular in cross section, which extend from the tip of a cusp
toward the central portion of the O surface of the tooth. - ANSWER-triangular ridge

The union of two triangular ridges that produces one ridge across the occlusal surface -
ANSWER-transverse ridge

Slight ridges that run mesiodistally in the cervical third of the teeth - ANSWER-
Imbrication lines

Rounded enamel extensions on incisal ridge of an incisor - ANSWER-Mamelons

Rounded raised borders on mesial and distal portions of the lingual surface of the
anterior teeth or the occlusal table of the posterior teeth

Ridge at the M & D edge - ANSWER-Marginal ridges

wide, shallow depression on the lingual surface of anterior teeth - ANSWER-lingual
fossa