The maxillary second premolar differs from the maxillary first premolar in that the:
A)distobuccal cusp slope is shorter than the mesiobuccal cusp slope on the second premolar.
B)cusps of the maxillary first premolar are not as sharp as the maxillary second premolar.
C)lingual cusp is larger and almost the same height as the buccal cusp on the maxillary second premolar.
D)second premolar is wider mesiodistally than buccolingually.

Question

Quizplus · Accepted Answer

The maxillary second premolar differs from the maxillary first premolar in that the lingual cusp is larger and almost the same height as the buccal cusp on the maxillary second premolar.
The mesiobuccal cusp slope is shorter than the distobuccal cusp slope on the second premolar.The maxillary second premolar differs from the maxillary first premolar in that the second premolar has only one root and therefore only one root canal.
The cusps of the secondary premolar are not as sharp as those of the maxillary first premolar.The maxillary second premolar differs from the maxillary first premolar in that the second premolar has only one root and therefore only one root canal.
The second premolar is wider buccolingually than mesiodistally.The maxillary second premolar differs from the maxillary first premolar in that the second premolar has only one root,and therefore only one root canal.

The Maxillary Second Premolar Differs from the Maxillary First Premolar