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目的:比较Metapex注射型根管糊剂与氢氧化钙治疗儿童慢性根尖周炎的疗效。方法:对400例523颗儿童根尖周炎的乳磨牙进行根管治疗,采用随机抽样的方法,分成对照组和实验组,实验组200例253颗牙齿,对照组200例270颗牙齿。对照组采用氢氧化钙+蒸馏水调和的糊剂,试验组采用Metapex碘化氢氧化钙注射型根管糊剂。治疗后追踪观察6个月～1年,比较治疗效果。结果:Metapex糊剂与氢氧化钙治疗成功率6个月分别为96.84%、92.22%,1年分别为97.99%、93.77%,两组治疗效果比较差异有统计学意义(χ2=5.31、5.56,P<0.05),Metapex糊剂操作简便,且所需时间要比氢氧化钙短,疗效确切。结论:采用Metapex糊剂进行儿童慢性根尖周炎治疗,减少了儿童对牙齿治疗的恐惧感,使儿童更易于接受,对保护儿童的心理健康、推动乳牙保健工作起到重要作用。
OBJECTIVE: To compare the efficacy of Metapex injection root canal paste and calcium hydroxide in the treatment of children with chronic apical periodontitis. Methods: 400 cases of 523 children with periapical periodontal deciduas were treated by root canal. Randomly divided into control group and experimental group, 200 cases of 253 teeth in experimental group and 200 cases of 270 teeth in control group. The control group was treated with calcium hydroxide + distilled water and the test group was treated with Metapex calcium iodide calcium hydroxide root canal paste. After treatment, follow-up observation of 6 months to 1 year, compare the treatment effect. Results: The success rates of Metapex paste and calcium hydroxide treatment for six months were 96.84% and 92.22% respectively, 97.99% and 93.77% respectively in one year. There was significant difference between the two groups in the treatment effect (χ2 = 5.31,5.56, P <0.05), Metapex paste easy to operate, and the time required is shorter than calcium hydroxide, the exact effect. Conclusion: Metapex paste for children with chronic apical periodontitis treatment, reducing children’s fear of dental treatment, make children more acceptable, to protect children’s mental health and promote the health care of deciduous teeth play an important role.