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目的观察氢氧化钙糊剂用于根管消毒时的临床疗效。方法选择81例急、慢性根尖周炎、牙髓坏死的病例,共有患牙148个,随机分为药物治疗组(78个牙,以氢氧化钙糊剂根管封药),对照组(70个牙,以甲醛甲酚合剂髓腔内封药),治疗完成后一年复查。结果氢氧化钙组远期疗效明显好于甲醛甲酚组。结论氢氧化钙糊剂是根管消毒的首选药物。
Objective To observe the clinical efficacy of calcium hydroxide paste for root canal disinfection. Methods 81 cases of acute and chronic apical periodontitis and pulp necrosis were selected. A total of 148 teeth were randomly divided into two groups: drug treatment group (78 teeth, root canal sealing with calcium hydroxide paste), control group ( 70 teeth to formaldehyde cresol combination medullary sealant), one year after the completion of treatment review. Results The long-term efficacy of calcium hydroxide group was significantly better than the formaldehyde cresol group. Conclusion Calcium hydroxide paste is the preferred drug for root canal disinfection.