Which of the following features of a permanent maxillary lateral incisor aids in distinguishing it from a mandibular lateral incisor ?
Correct answer: D. More pronounced lingual fossa
- A. Flattened root
- B. Sharper proximal incisal angles
- C. Thinner incisal ridge
- D. More pronounced lingual fossa
Explanation
The maxillary lateral incisor usually has a deeper and more distinct lingual fossa than a mandibular lateral incisor. Mandibular incisors have relatively smooth, shallow lingual anatomy.
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