光固化复合树脂是70年代发展起来的新型复合材料,固其有与牙齿相近的颜色,良好硬度,深受患者好评.1987年2月至1989年2月我们对已拨髓的前牙各取60名患者进行固位时间对比,现将随访结果报告如下.1 临床资料:随机抽取佳木斯市市区患者120名,男性48人,女性72名,12—20岁10名:20—40岁以上者27名.总牙数112颗,其中3—1|1—3牙72颗,3—1|1—3牙13颗,5—4|4—5牙12颗,5—4|4—5牙15颗.平均每个患者1.96颗,实验组与对照组牙的位置,数目相同。 Light-cured composite resin is a new composite material developed in the 70's, which has the same color as the tooth, good hardness, well received by the patients. From February 1987 to February 1989, 60 patients were compared retention time, the follow-up results are reported as follows.1 Clinical data: 120 patients were randomly selected Jiamusi city, 48 males and 72 females, 12-20 years old 10: 20-40 years of age The total number of teeth 112, of which 3-1 | 1-3 teeth 72, 3-1 | 1-3 teeth 13, 5-4 | 4-5 teeth 12, 5-4 | 4- 5 teeth 15. An average of 1.96 per patient, the experimental group and the control group of teeth the same number.