On which of the following permanent teeth is it most difficult to distinguish between mesial and distal aspects ?
Correct answer: D. Mandibular central incisor
- A. Maxillary central incisor
- B. Mandibular second premolar
- C. Mandibular lateral incisor
- D. Mandibular central incisor
Explanation
The mandibular central incisor is highly symmetrical, so its mesial and distal surfaces are especially difficult to distinguish. The distal incisal angle is only slightly more rounded, making this distinction subtle.
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