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目的对比根管治疗中应用氢氧化钙[Ca(OH)2]与甲醛甲酚(FC)的疗效。方法选择根尖周炎患者共120例作为研究对象随机分为三组,即:氢氧化钙组、甲醛甲酚组和消毒干棉捻组。对比三组氧化锌暂封1周后的不良反应与治疗效果。结果氢氧化钙组、甲醛甲酚组和消毒干棉捻组的优良率分别为96.67%、91.67%、53.33%,消毒干棉捻组最低,氢氧化钙组最高,氢氧化钙与甲醛甲酚相比,疗效差异无统计学意义,都明显高于干棉捻对照组,但甲醛甲酚组部分患者有不良反应。结论氢氧化钙较之甲醛甲酚是一种更加相对安全有效的根管消毒剂,临床可多加应用。
Objective To compare the efficacy of calcium hydroxide [Ca (OH) 2] and formaldehyde cresol (FC) in root canal therapy. Methods A total of 120 patients with periapical periodontitis were randomly divided into three groups: calcium hydroxide group, formaldehyde cresol group and sterile cotton twisting group. Adverse reactions and treatment effects of three groups of zinc oxide after a week were compared. Results The excellent and good rates were 96.67%, 91.67% and 53.33% respectively in the calcium hydroxide group, the formaldehyde cresol group and the disinfection dry cotton twisting group, the lowest in the sterile cotton twisting group, the highest in the calcium hydroxide group, the highest in the calcium hydroxide group, Compared with no significant difference in efficacy, were significantly higher than the dry cotton twist control group, but some patients with formaldehyde cresol adverse reactions. Conclusion Calcium hydroxide is a more safe and effective root canal disinfectant than formaldehyde cresol, which can be applied clinically.