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Obwegeser(1957)首次提出下颌支矢状骨劈开术治疗下颌前突畸形,以后其他作者作了改进。手术的主要优点是在口内进行,口外皮肤不留疲痕,符合整形
Obwegeser (1957) first proposed mandibular sagittal osteotomy in the treatment of mandibular protrusion deformity, other authors made improvements. The main advantage of surgery in the mouth, mouth without leaving the skin fatigue, in line with plastic surgery