Q
The contact area on the distal surface of a maxillary first premolar should be placed in________________?
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A
A. Middle 3rd of proximal surface with lingual embrasure greater than the facial embrasure
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B
B. Occlusal 3rd of proximal surface with the lingual embrasure greater than facial embrasure
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C
C. Occlusal 3rd of proximal surface with facial embrasure greater than lingual embrasure
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D
D. Middle 3rd with facial embrasure greater than the lingual embrasure
Correct Answer:
A. A. Middle 3rd of proximal surface with lingual embrasure greater than the facial embrasure
