The highest ( longest ) and sharpest cusp on the decidous mandibular first molar is____________?
Correct answer: D. Mesiolingual
- A. Distobuccal
- B. Distolingual
- C. Mesiobuccal
- D. Mesiolingual
Explanation
In the primary mandibular first molar, the mesiolingual cusp is the highest, longest and sharpest cusp. The other cusps are generally less prominent, especially the distal cusp when present.
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