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目的比较3种根管充填材料在一次法根管治疗中的临床疗效。方法将362例牙髓炎患者(425颗患牙)随机分为3组:A组(120例/121颗患牙)以氧化锌丁香油为封闭剂,B组(121例/151颗患牙)以Cortisomol为封闭剂,C组(121例/153颗患牙)以2Seal easymiX为封闭剂,分别加牙胶尖进行冷侧压充填。观察并比较3组根管充填后疼痛发生率及1年的治疗成功率。结果 A、B、C组患牙术后疼痛发生率分别为15.7%(19/121)、5.3%(8/151)、6.5%(10/153),A组患牙术后疼痛发生率高于B组和C组(P<0.05或0.01),B组与C组比较差异无统计学意义;术后1年复查,A、B、C组治疗成功率分别为94.0%(110/117)、96.5%(137/142)、97.9%(142/145),差异无统计学意义。结论在一次法根管治疗中,3种根管充填材料术后1年疗效均较好,其中Cortisomol和2Seal easymiX可以减少术后疼痛,是理想的根管充填材料。
Objective To compare the clinical effects of three root canal filling materials in one-stage root canal therapy. Methods 362 patients with pulpitis (425 teeth) were randomly divided into 3 groups: group A (120 cases / 121 teeth) with zinc oxide clove oil as blocking agent, group B (121 cases / 151 teeth ) With Cortisomol as blocking agent, Group C (121/153 teeth) with 2Seal easymiX as a blocking agent, respectively, gutta percha cold side pressure filling. The incidence of post-filling pain and the success rate of one-year treatment were observed and compared. Results The postoperative incidence of postoperative pain in group A, B and C were 15.7% (19/121), 5.3% (8/151) and 6.5% (10/153), respectively. The incidence of postoperative pain in group A was high There was no significant difference between group B and group C (P <0.05 or 0.01), but there was no significant difference between group B and C (P <0.05 or 0.01). The success rates of group A, B and C were 94.0% (110/117) , 96.5% (137/142) and 97.9% (142/145) respectively, the difference was not statistically significant. Conclusions In one root canal treatment, the three kinds of root canal filling materials have a good effect after one year. Cortisomol and 2Seal easymiX can reduce postoperative pain and are the ideal root canal filling materials.