A Prominent Characteristic of the Maxillary First Premolar Is

Question

A prominent characteristic of the maxillary first premolar is
A) a mesiolingual developmental groove
B) a central fossa
C) a mesial marginal developmental groove
D) a distal marginal developmental groove

Accepted Answer

On the mesial surface of the maxillary first premolar a prominent groove provides an identifying feature.Called the mesial marginal groove,it crosses the mesial marginal ridge and runs cervically from the occlusal third to the middle third of the crown.The mesial surface also can be identified by a mesial developmental depression located cervical to the mesial contact area.