前牙牙冠折断1/2以上,一般先作牙髓处理,修复至少要待4周后方可进行。笔者自1988年始,用自体牙立即接冠修复,通过30例实践,效果最满意,现报道如下: 1 资料与方法 1.1 本组30例,男19例,女11例;年龄18～38岁,平均27岁;冠折牙位及个数:1 15个,1 9个,2 5个,2 4个,其中1 1、12、21同时冠折各一例。 Anterior dental crown broken more than 1/2, the general first dental pulp treatment, repair at least 4 weeks before they can be carried out. The author since 1988, with immediate access to the crown repair, through 30 cases of practice, the effect is most satisfactory, are reported as follows: 1 Materials and Methods 1.1 The group of 30 patients, 19 males and 11 females; aged 18 to 38 years old, With an average of 27 years. The number of crowns and the number of crowns were 1 15, 19, 25 and 24, of which 1 1, 12 and 21 had one case of crown fracture at the same time.