Metapex糊剂治疗乳牙有窦型慢性根尖周炎的疗效观察

目的：对比Metapex糊剂与氧化锌碘仿糊剂在作为乳牙根充材料时的近期与远期效果。方法：选取2011年3月至2013年7月就诊于我院儿童口腔科且明确诊断为有窦型慢性根尖周炎的97例（108颗乳磨牙）患儿，将其随机分为实验组与对照组，实验组55颗患牙用Metapex糊剂进行根管充填，对照组53颗乳磨牙用氧化锌碘仿糊剂根充。对比2周、1年和2年后疗效，并进行分析。结果：2周成功率实验组显著高于对照组（P<0.05）,1年成功率无显著差异（P>0.05)，2年成功率实验组优于对照组（P<0.05）。结论：Metapex糊剂治疗乳牙有窦型慢性根尖周炎疗效较好，是理想的根充材料。

Clinical effect of Metapex on apical periodontitis with fistula of deciduous tooth

Objective:To contrast Metapex and zipp paste immediate and long-term results when used as filling material in primary teeth root. Method:Select from Mar. 2011 to Jul. 2013 in our hospital diagnosed as apical periodontitis with fistula 97 cases (108 deciduous molars) in children.Randomly divided into experimental and control groups. Experimental group with 55 teeth Vitapex paste root canal filling,and the control group 53 primary molars with zipp oxide paste iodoform root canal.To Compare 2 weeks, 1 year and 2 years after the efficacy and analyzed. Result:The 2 weeks success rate in the experimental group was significantly higher (P<0.05). There was no significant difference in the success rate of 1 year (P > 0.05). The 2 year success rate of the experimental group is better than the control group ( P<0.05). Conclusion:Metapex paste in the treatment of deciduous teeth with chronic periapical periodontitis sinus has good curative effect, is an ideal material for root canal filling.