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拔除上颌第一双尖牙和下颌侧切牙,联合正颌外科手术矫治严重的安氏II类骨性错牙合畸形。

Extraction of maxillary first bicuspids and mandibular lateral incisors, combined with orthognathic surgery to correct a severe class II skeletal malocclusion.

作者信息

Cureton S L, Terhune W

出版信息

Am J Orthod Dentofacial Orthop. 2000 Mar;117(3):312-9. doi: 10.1016/s0889-5406(00)70236-8.

Abstract

This is a case report of a 21-year-old female with a Class II Division 1 malocclusion. The maxillary arch was constricted with an associated anterior open bite. The lower facial height was excessive, and the mandibular plane angle was high. The treatment options were limited due to a previously extracted mandibular right lateral incisor. The patient was successfully treated by a surgical rapid palatal expansion procedure, extraction of the mandibular left lateral incisor, extraction of the maxillary first premolars at the time of a 3-piece Lefort 1 maxillary osteotomy procedure, and a bilateral sagittal split osteotomy advancement procedure.

摘要

这是一例21岁女性安氏II类1分类错牙合畸形的病例报告。上颌牙弓狭窄并伴有前牙开牙合。面下1/3高度过大,下颌平面角较高。由于之前拔除了下颌右侧侧切牙,治疗选择有限。该患者通过外科快速腭扩展术、拔除下颌左侧侧切牙、在三段式Le Fort 1上颌骨截骨术时拔除上颌第一前磨牙以及双侧矢状劈开截骨前移术成功得到治疗。

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