The largest mesiodistal diameter in primary dentition is____________?
Correct answer: B. Mandibular2nd molar
- A. Mandibular 1st molar
- B. Mandibular2nd molar
- C. Maxillary 2nd molar
- D. None of the above
Explanation
The primary mandibular second molar is usually the largest tooth in the primary dentition, particularly in mesiodistal width. Its broad crown and resemblance to the permanent mandibular first molar support this identification.
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