The contact area on the distal side of a maxillary first premolar is located _____________?
Correct answer: B. Litter cervical to the junction of occlusal and middle third of the crown with wide occlusal embrasure
- A. Middle of the middle third with buccal embrasure wider than lingual
- B. Litter cervical to the junction of occlusal and middle third of the crown with wide occlusal embrasure
- C. Middle of the middle third with lingual embrasure wider than buccal
- D. Cervical third with buccal embrasure wider than lingual embrasure
Explanation
The distal contact of the maxillary first premolar lies slightly cervical to the junction of the occlusal and middle thirds. Its position produces a relatively wide occlusal embrasure compared with the mesial contact.
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