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目的观察甲醛甲酚(FC)、氢氧化钙糊剂、碘仿-奥硝唑-氢氧化钙用于根管内封药的临床疗效并进行对比分析。方法分别采用甲醛甲酚(FC)、氢氧化钙糊剂、和碘仿-奥硝唑-氢氧化钙对急、慢性根尖周炎、牙髓坏死需进行根管治疗的321个患牙进行根管内封药,观察其疗效。结果碘仿-奥硝唑-氢氧化钙根管内封药疗效高于氢氧化钙糊剂。氢氧化钙糊剂根管内封药高于FC。各组之间在统计学上有显著差异(P<0.05)。结论氢氧化钙糊剂、碘仿-奥硝唑-氢氧化钙均可提高疗效,碘仿-奥硝唑-氢氧化钙疗效更佳。
Objective To observe the clinical efficacy of formaldehyde cresol (FC), calcium hydroxide paste, iodoform-ornidazole-calcium hydroxide for intra-canal seal and comparative analysis. Methods A total of 321 teeth requiring root canal treatment of acute and chronic apical periodontitis and pulp necrosis were treated with formaldehyde cresol (FC), calcium hydroxide paste and iodoform-ornidazole-calcium hydroxide respectively Root canal sealant, observe its efficacy. Results iodoform-ornidazole-calcium hydroxide root canal sealant efficacy than calcium hydroxide paste. Calcium hydroxide paste root canal sealers above FC. There was a statistically significant difference between groups (P <0.05). Conclusion Calcium hydroxide paste, iodoform - ornidazole - calcium hydroxide can improve the efficacy of iodoform - ornidazole - calcium hydroxide better effect.