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Tuesday, May 16, 2000

Oro-Maxillofacial Surgery MCQ Answer 6

Posted by Vishaal at 5/16/2000 10:08:00 AM Tuesday, May 16, 2000
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The Correct Answer is C

As per illustration on page 175 of Contemporary Oral and Maxillofacial Surgery, Petterson , et al, 1993, the initial forces used to extract a maxillary posterior tooth is apical, then followed by palatal, and buccal, then finally occlusal to remove it. Cannot use rotational forces because of the multiple and divergent root systems. Cannot usually move teeth in the mesial-distal direction because of surrounding teeth, also the forceps are not designed to provide this motion adequately.

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