The geometric outline of the buccal surface of posterior teeth are_______________?
Correct answer: D. Trapezoidal
- A. Square
- B. Rhomboidal
- C. Quadrilateral
- D. Trapezoidal
Explanation
From the buccal aspect, posterior tooth crowns generally have a trapezoidal outline, with the cervical portion narrower than the occlusal portion. Rhomboidal outlines are more characteristic of the occlusal view of maxillary molars.
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