On the maxillary right side there's one posterior tooth. this tooth has two cusps that are the same size, a wider occlusal table, and a single root. this tooth is a maxillary
a. first molar.
b. second premolar.
c. canine.
d. first premolar.

Explanation:

The tooth described is a maxillary second premolar. Posterior teeth are molar and premolar, but the one that has two cusps and a single root is the second molar. In contrast, the first molar has four cusps.

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