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临床上,上前牙前突畸形的矫治多通过拔牙矫治以达到矫治目标;但过早采用拔牙矫治,可能会造成处于替牙期或恒牙初期的生长发育高峰阶段的青少年患者颌骨内收、嘴唇外形变化与其面部外形不匹配,而且对于矫治结束后的咀嚼力量和咀嚼功能亦有很大影响[1]。近年来,笔者将口外弓和上颌扩弓两项矫治方法联合应用于上前牙前突畸形患者的非拔牙矫治中,取得了满意效果。报告如下。
Clinically, the treatment of anterior deformity anterior deformity and more through the treatment of tooth extraction to achieve the goal of treatment; but premature extraction treatment may result in adolescent or maxillary dentate maxillary growth and development of adolescent patients with adduction , Changes in the shape of the lips do not match the shape of the face, but also for the treatment of mastication force after mastication and also have a great influence [1]. In recent years, the author combined the two methods of oral and maxillary expansion in the non-extraction treatment of anterior superior deformity patients, and achieved satisfactory results. The report is as follows.