The distolingual cusp of a maxillary first molar is quite small and considered afunctional. This cusp occupies 10% of the lingual surface and the mesiolingual cusp occupies the remaining 90% of the lingual surface.
A) Both statements are true.
B) The first statement is true; the second is false.
C) The first statement is false; the second is true.
D) Both statements are false.

Question

Quizplus · Accepted Answer

Although the distolingual cusp is quite small, it is considered functional, meaning it occludes with opposing teeth. The lingual surface of the maxillary first molar is occupied 40% by the distolingual cusp and 60% by the mesiolingual cusp.

The Distolingual Cusp of a Maxillary First Molar Is Quite