[Subarea ostectomy of mandible for lower face re-shaping].

Objective: Dividing the mandible into lower part of mandibular ramus, mandibular angle, mandibular body, chin, we designed subarea ostectomy for reduce the width of anterior, body, posterior part of of the lower face.

Methods: Combide with splitting ostectomy of the out layer of mandible, ostectomy of inferior border of mandible and augmentation of the chin, re-shape the mandibular angle, body, and chin, corrected the un-beauty of the lower face and side-face.

Results: From May 2003 to August 2005 , a total of twenty-three patients have been operated on by this method with satisfactory results.

Conclusions: Subarea ostectomy of mandible is more effective in re-shaping the whole lower face.