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下颌骨畸形通常分为四种类型:(1)小颌畸形,(2)前突畸形,(3)偏颌畸形,(4)开(牙合)畸形。凡是无法通过正畸治疗的严重畸形,又是成年患者,并要求手术矫治的均属于手术矫治的适应症。可以酌情施行各种矫治手术,如截骨、植骨术等。70年代以来,西方各国普遍开展颌骨畸形和错(牙合)的联合矫治,国内先后也有报道。本文结合临床病例,对下颌骨畸形矫治中有关截骨、植骨等问题作初步讨论。
Mandibular deformities are usually divided into four types: (1) small jaw deformity, (2) protrusion deformity, (3) partial jaw deformity, (4) open occlusion deformity. Those who can not pass the serious deformity of orthodontic treatment, but also adult patients, and require surgical correction are surgical indications. As appropriate, various correction surgery, such as osteotomy, bone grafting and so on. Since the 1970s, western countries have carried out joint orthodontics and malocclusion combined treatment, which have been reported in China. In this paper, clinical cases, the mandibular deformity in the treatment of osteotomy, bone graft and other issues for a preliminary discussion.