Cusps and Ridges Exam 2025 With 100% Correct Answers

Cusps and Ridges Exam 2025 With
100% Correct Answers

cusp - CORRECT ANSWER✔✔-A point or peak.

-A round, conical elevation on the occlusal surface of a posterior tooth.



cusp ridge - CORRECT ANSWER✔✔-A raised part of the occlusal surface of a posterior tooth that
runs from a cusp tip toward the central dissectional grove.

-Cusp ridges either run perpendicular to the central dissectional groove (transverse) or at an
angle (oblique).



transverse cusp ridge - CORRECT ANSWER✔✔A cusp ridge running perpendicular to the central
dissectional groove.



oblique cusp ridge - CORRECT ANSWER✔✔A ridge on the occlusal surface of a posterior tooth
that runs at an angle to the central dissectional groove.



carabelli cusp - CORRECT ANSWER✔✔A raised protrusion on the mesio-lingual cusp of an upper
molar, most often found on the upper first molar.



cusp slope - CORRECT ANSWER✔✔The mesial and distal side of a cusp, which slope at an angle
of 35° to 45° to the occlusal surface, marginal ridge, and buccal and lingual dissectional groove.



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



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