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Orthognathic surgery is surgery to correct conditions of the jaw and face related to structure, growth, sleep apnea, TMJ disorders, malocclusion problems owing to skeletal disharmonies, or other orthodontic problems that cannot be easily treated with braces. Originally coined by Harold Hargis, it is also used in treatment of congenital conditions like cleft palate. Bones can be cut and re-aligned, then held in place with either screws or plates. Orthognathic surgery can also be referred to as corrective jaw surgery.〔(Maxillofacialcentre.com )〕 ==Medical uses== It is estimated that nearly 5% of the UK or USA population present with dentofacial deformities that are not amenable to orthodontic treatment requiring orthognathic surgery as a part of their definitive treatment.〔 〕 Orthognathic surgery can be used to correct; * Gross jaw discrepancies (anteroposterior, vertical, or transverse discrepancies)〔 〕 * Facial skeletal discrepancies associated with documented sleep apnea, airway defects, and soft tissue discrepancies * Facial skeletal discrepancies associated with documented temporomandibular joint pathology 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「orthognathic surgery」の詳細全文を読む スポンサード リンク
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