Distal contact of upper first premolar is________________?
Correct answer: D. A and B
- A. Lower than mesial contact area
- B. Little cervical to junction of occlusal and middle third of crown
- C. Higher than mesial contact area
- D. A and B
Explanation
On the maxillary first premolar, the distal contact is positioned more cervically than the mesial contact and lies slightly cervical to the occlusal-middle third junction. Both statements A and B are therefore correct.
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