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导弓矫治器[1]应用于口腔正畸临床已多年,对其适应证及临床效果已有很多报道[2],但未见有导弓治疗反前后X线头影测量变化的研究。笔者选择了应用导弓治疗的10例反患者,对其治疗前后X线头影测量变化结果进行了统计学分析,现报道如下。1临床资料1·1一般资料选择10例左手腕骨片示
Guide bow appliance [1] used in orthodontic clinic has been for many years, its indications and clinical effects have been reported many [2], but no guide bow treatment of anti-anterior-posterior cephalometric changes in the study. I chose the application of guide arch treatment of 10 cases of anti-patients before and after treatment of X-cephalometry changes in the results of a statistical analysis are reported below. 1 Clinical data 1.1 General Information Select 10 cases of left wrist bone showed