The Maxillary Second Premolar Differs from the Maxillary First Premolar

Multiple Choice

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.