The maxillary second premolar differs from the maxillary first premolar in that the:
A)cusps of second premolars are sharper than those of first premolars.
B)first premolar is more narrow buccolingually than mesiodistally.
C)lingual cusp is smaller than the buccal cusp on the maxillary second premolar.
D)maxillary second premolar usually has one root.

Question

Quizplus · Accepted Answer

Each maxillary second premolar has two cusps and typically has a single root.
The cusps of the maxillary second premolar are not as sharp as those of the maxillary first premolar.
The second premolar is wider buccolingually than mesiodistally.
The lingual cusp is larger than and almost the same height as the buccal cusp on the maxillary second premolar.

The Maxillary Second Premolar Differs from the Maxillary First Premolar