How many cusps does the crown of the maxillary first primary molar have ?
Correct answer: C. 4
- A. 2
- B. 3
- C. 4
- D. 5
Explanation
The primary maxillary first molar generally has four cusps, although the distolingual cusp may be relatively small. Its four-cusp pattern helps distinguish it from the primary maxillary second molar.
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