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一般情况下ClassⅢ类错(牙合)的外科治疗和正畸治疗的适应症不同,通常是根据患者的错验程度和预后决定治疗方式。本研究的目的是寻找一个客观的,判定是外科治疗或正畸治疗的头测量阈值。材料和方法选取40名ClassⅢ类错(牙合)患者的治疗前头侧位片,分外科治疗组及正畸组进行分析。外科组为经一名正畸专家查看过并作出需作外科治疗的最初决定,该组20名患者,男女各半,平均年龄17.2±1.6岁;正畸组为经过正畸矫治成功的病例,共20名,男女各一半,平均年龄14.1±1.5岁
In general, Class III malocclusion surgical treatment and orthodontic treatment of different indications, usually based on the degree of patient misgivings and prognosis of treatment. The objective of this study was to find an objective, head-measurement threshold that was judged surgically or orthodontically. Materials and Methods 40 cases of Class Ⅲ malocclusion patients were treated by the anteroposterior slice, sub-surgical treatment group and orthodontic group. The surgical team was examined by an orthodontic expert and made the initial decision to undergo surgical treatment. The 20 patients, half male and half female, average age 17.2 ± 1.6 years. The orthodontic group was successfully treated with orthodontic treatment, A total of 20 men and women each half, with an average age of 14.1 ± 1.5 years