This tooth has a single root, a large functional buccal cusp, and a smaller, nonfunctional lingual cusp. This tooth is the mandibular A. first molar. B. first premolar. C. canine.

Dthird molar.

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The answer to your question is

B:    First Premolar



This tooth has a single root, a large functional buccal cusp, and a smaller, nonfunctional lingual cusp. This tooth is the first premolar.

Answer: B. first premola