自固化磷酸钙根管封闭剂的临床疗效初步评价

目的:观察自固化磷酸钙根管封闭剂作为根管充填材料的临床疗效。方法:选择136例慢性根尖周炎患者,常规根管预备后,随机选择72例为实验组,采用牙胶尖和自固化磷酸钙根管封闭剂充填根管;对照组64例,以牙胶尖和碘仿糊剂充填根管。术后1周、3个月、6个月、1a复查,观察术后反应情况,评价临床疗效,对数据进行χ2检验和Wilcoxon等级秩和检验,应用SAS6.2统计软件包。结果:实验组的术后反应较小,3个月的临床成功率高于对照组;而随着观察时间的延长,两者间差异无显著性。结论:自固化磷酸钙根管封闭剂可作为一种根管充填材料使用,远期疗效有待进一步研究。

Preliminary evaluation of the clinical results of calcium phosphorate cement root canal sealer

PURPOSE: To investigate the clinic effect of calcium phosphorate cement as a root canal sealer-filler material. METHODS: 136 teeth with chronic periapical disease were instrumented and obturated with laterally condensed gutta-percha and either calcium phosphate cement(CPC) or iodoform paste. The patients were recalled and observed according to the clinic symptom and radiography after 1 week,3 months, 6 months and 1 year. The data was processed using SAS6.2 software package for Chi-square test and Wilcoxon rank test. RESULTS: The patients of CPC group had mild reaction after treatment and the successful rate of 3-month was higher compared with the control group(with iodoform paste), however there was no different clinical effects between the two groups after one year. CONCLUSION: Calcium phosphate cement root canal sealer can be acceptable for root canal filling , but the long term clinical results are needed be investigated.