The faciolingual angulation of the upper central incisor is approximately___________________?
Correct answer: B. 28°
- A. 20°
- B. 28°
- C. 33°
- D. 38°
Explanation
The maxillary central incisor has a labiolingual or faciolingual crown angulation of about 28 degrees. This inclination helps distinguish its crown form from the more upright mandibular incisors.
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