No. of cusps in mandibular 1st molar_____________?
Correct answer: C. 5
- A. 4
- B. 3
- C. 5
- D. 6
Explanation
The mandibular first molar normally has five cusps: mesiobuccal, distobuccal, distal, mesiolingual, and distolingual. The separate distal cusp distinguishes it from the usual four-cusp mandibular second molar.
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