Friday, February 12, 2016

Indicated extractions in treatment of class II and III malocclusions.  Extraction of premolars may be indicated in order to orthodontically correct malocclusions where growth has ceased and the maxilla and mandible are not matching.  In order to mask a prognathic mandible it is sometimes necessary to remove a lower premolar bilaterally in order to incline the lower incisors lingually and distalize the canines. If we are treating a class II malocclusion without significant lower crowding we can extract two upper premolars in order to gain a tight overjet and class I canines.  With these or any extractions it is wise to take the facial profile into account as we treat the malocclusion.

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