下颌角截骨术也有二种方式，一是截骨术，二是磨削术。
目的测量下颌角整形截骨线周围骨质的厚度，为手术提供解剖学依据。
Objective To measure the mandibular thickness relative to the osteotomy line of mandibular angle plasty so that to provide the anatomical basis for operation.
方法：采用口内入路弧形截骨方法对下颌角肥大进行手术治疗。
Methods Hypertrophic mandibular Angle were treated with the Intraoral curved osteotomy.
目的：探讨下颌角截除与下颌骨外板切除术一次成形的可行性。
Objective to study the feasibility of Combined mandibular Angle resection with angle-splitting performed one-time to reduce the width of lower face.
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