牙齿再植国内外早有文献报道,Cohn 报告1例存留24年,Ottofy 报告1例存留18年,国内报告最长5年。我科从1958～1977年共进行了152例牙齿再植,复查了116例,其中存留时间最长1例为14年。现报告如下。一、病例选择我们选择病例的标准为:①各种原因所致的牙齿脱出;②慢性根 Dental replantation has long been reported in the literature both at home and abroad. Cohn reported 1 case for 24 years, Ottofy reported 1 case for 18 years and domestic report up to 5 years. Our department from a total of 152 cases of dental replantation from 1958 to 1977, 116 cases were reviewed, of which longest longest survival for 14 years. The report is as follows. First, the case selection criteria we choose the case as follows: ① various causes of tooth prolapse; ② chronic root