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目的比较3种根管封闭剂一次性充填慢性有瘘型根尖周炎术后疗效。方法对600颗有瘘型慢性根尖周炎单根管前牙随机分成3组进行一次性根管治疗,根管封闭剂分别采用氧化锌丁香油糊剂,Cortisomol糊剂,Endomethason ivory(美松)糊剂加牙胶尖进行冷侧压法充填,观察术后24 h和1周的反应。结果 3种根管封闭剂一次性根管充填术后24 h急性反应:氧化锌丁香油糊剂组与Cortisomol糊剂、Endomethason ivory糊剂2组差别有显著性,Cortisomol糊剂组与Endomethasonivory糊剂组差别无显著性;术后1周各组均无显著性差别,术后2周瘘管愈合,术后3个月根尖部炎症消除(X线片显示)。结论采用规范操作和优质根充材料,慢性有瘘型根周炎可以进行一次性根管治疗,Cortisomol糊剂和Endomethason ivory糊剂在目前临床根管治疗中较氧化锌糊剂更具优势,不仅减少了患者复诊次数,缩短治愈时间,同时也降低了术后24 h急性反应发生率,是较理想的根管充填材料。
Objective To compare the curative effects of three kinds of root canal sealants in one-time filling of chronic fistulas with periapical periodontitis. Methods One hundred and sixty one anterior root canal of chronic foveal chronic periapical periodontitis were randomly divided into three groups for one-time root canal treatment. The root canal sealants were treated with zinc oxide, clove oil paste, Cortisomol paste, Endomethason ivory ) Paste plus gutta-percha cold lateral pressure filling, observed 24 h and 1 week after the reaction. Results Acute root canal sealing at 24 h after root canal sealing was performed. There was a significant difference between the two groups in the zinc oxide-clove oil paste group and the Cortisomol paste and the Endomethason ivory paste group. The differences between the Cortisomol paste group and the Endomethasonivory paste There was no significant difference between the two groups at 1 week after operation. The fistulas healed at 2 weeks after operation and the apical inflammation was eliminated at 3 months after operation (X-ray showed). CONCLUSIONS: Conventional root canal treatment of chronic fistula pericoronitis can be performed with standardized operation and high quality root filling materials. Cortisomol paste and Endomethason ivory paste are superior to zinc oxide paste in current clinical root canal treatment. Reduce the number of patients referral, shorten the time to cure, but also reduce the incidence of acute reaction 24 h after surgery, is an ideal root canal filling material.