两种根充剂在乳牙根管治疗中的临床疗效观察

目的观察对比Vitapex糊剂和氧化锌碘仿糊剂在乳牙根管治疗中的疗效。方法选择门诊就诊患儿120例,226颗牙,随机分为两组,A组用Vitapex糊剂充填根管,B组用氧化锌碘仿糊剂充填根管。结果根管充填后6个月、1年、2年随访,两组疗效良好,无显著差异（P〉0.05）。Vitapex糊剂吸收早于牙根吸收;氧化锌碘仿糊剂迟于牙根吸收,易发生乳牙滞留。结论两组糊剂均适于乳牙根管充填,可根据乳牙发育情况选择应用。

The clinical curative effect of two root filling material in root canal therapy in primary teeth

Objective To observe and contrast the curative effect of the Vitapex paste and zincoxide iodoform paste in root canal therapy in primary teeth.Methods A total of 226 teeth from 120 patients,were divided randomly into two groups,group A was filled with Vitapex paste,group B was filled with zincoxide iodoform paste Results Group A and B were followed up after 6 months,1 year,2 years.The curative effect of two groups were effective with no significant difference（P0.05）.The absorption of Vitapex was earlier than the root of primary teeth.The absorption of ZineOxide indoform paste was later than the root of primary teeth which usually lead to deciduous teeth retained.Conclusion The two groups are both suitable for the filling of the primary root canal therapy which can be selected by the growth condition of the primary teeth.