Which of the following has a nonfunctional cusp ?
Correct answer: B. Mandibular first premolar
- A. Mandibular canine
- B. Mandibular first premolar
- C. Maxillary second premolar
- D. None of the above
Explanation
The lingual cusp of the mandibular first premolar is small and nonfunctional, while its large buccal cusp is functional. Both cusps of the maxillary second premolar are functional, and the mandibular canine has a functional cusp.
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