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双颌前突可单用正畸或结合根尖下截骨的方法治疗(Lew et al 1989)。以前对 Begg 矫正器治疗成人双颌前突后的软组织变化尚无报道。本研究对32名中国人(女:20名、男:12名),年龄在18岁～26岁之间,拔除4个第一双尖牙,用 Begg矫正器。主要用水平牵引矫治,评价矫治后的软、硬组织变化。摄每个患者治疗前、后的包括唇在内的头颅定位片。头影测量点及参考平面均由一个研究者确定。每
Bilateral maxillary protrusion can be treated with orthodontics alone or with apical osteotomy (Lew et al 1989). Previous Begg orthotic treatment of adult bimaxillary soft tissue changes have not been reported. The study of 32 Chinese (female: 20, male: 12), aged 18 years to 26 years old, the removal of the first four pairs of canines, Begg braces. Mainly with horizontal traction correction, evaluation of soft and hard tissue after treatment changes. Photograph of each patient before and after treatment, including the lip, including the skull positioning film. Cephalometric measurement points and reference plane by a researcher to determine. each