安氏Ⅲ类错是口腔正畸临床上较常见的错畸形,临床上恒牙早期多采用单纯固定矫治进行掩饰行正畸治疗,主要是牙齿的排列关系,由此纠正反。忽略了恒牙早期患者仍具有生长潜力。而使用FRⅢ双期矫治组则充分利用了患者仍具备 Class III malocclusion orthodontics is clinically more common malocclusion deformity, clinical early permanent multi-use fixed orthodontic treatment to cover up orthodontic treatment, mainly the relationship between the arrangement of teeth, thus correcting the anti-Lai. Ignoring the early growth of permanent teeth patients still have potential. The use of FR Ⅲ double correction group is taking full advantage of the patients still have