随着社会发展及人民生活水平的提高,越来越多的人开始重视牙、、面的协调关系。其中因牙列间隙影响美观及发音功能而前来就诊病例与日俱增,且年龄范围趋向成年,应当引起临床医生的足够重视。牙列间隙的研究长期以来一直是正畸临床医生关注的问题之一,在国内外杂志上均有关于 With the social development and the improvement of people's living standard, more and more people begin to attach importance to the coordination of teeth, teeth and face. Which due to the dentition gap and aesthetic appearance and pronunciation function came to treatment cases increasing, and the age range tends to adult, should attract enough attention of clinicians. The study of the dentition gap has long been one of the problems that orthodontic clinicians are concerned about, both in domestic and foreign magazines