深度覆系指上颌前牙覆盖下颌前牙牙冠1/2以上,更严重者下颌前牙咬及腭侧牙龈。由于颌间空隙很小,或完全没有空隙,因而造成修复的困难;部分病例虽可采用固定修复,但有一定局限性。近几年来,我科对于这些病员采用了几种活动托牙修复方法,取得了一定疗效,现介绍如下。托牙修复方法 Deep overlying  means the maxillary anterior teeth covering the mandibular anterior crown more than 1/2, more serious mandibular anterior teeth bite and palatal gingiva. As the intermaxillary space is very small, or no gaps, resulting in the difficulty of repair; although some cases may be fixed, but there are some limitations. In recent years, our department for these patients using several activities toothache repair method and achieved some curative effect, are described below. Tooth repair methods