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过去认为凡是牙冠折至龈沟以下或牙折涉及到髓室者,必须拔除。随着科学的进展,近年来徐君伍、宋世卿等对这类患者用金属全冠进行了修复治疗,效果良好。我科从1983年起对34例患者采用了改良式带环冠治疗,效果满意,兹报告如下; 一、资料和结果: 1、一般资料 34例中,男性23例,女性11例,男性多于女性;年龄:最小者14岁,最大者57岁,其中以30-50岁最多。 2、34例冠折牙齿的分布情况见表1。从表中可见第一恒磨牙折裂者居首位,占总数
In the past that any dental folds below the gingival sulcus or tooth involved in the pulp chamber who must be removed. With the progress of science, Xu Jun Wu, Song Shiqing and other patients in recent years with a metal crown for repair treatment, the effect is good. First, the data and results: 1, general information 34 cases, 23 males and 11 females, more men In women; the youngest 14 years old, the largest 57 years old, of which 30-50 years old the most. 2,34 cases of crown fracture distribution in Table 1. From the table we can see the first permanent molar fracture in the first place, accounting for the total