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目的：探讨在青海高原地区治疗儿童乳磨牙慢性根尖周炎的有效方法。方法：以门诊病例为研究对象，将门诊以乳磨牙慢性根尖周炎就诊的病例随机分为３ 组（Ａ、Ｂ、Ｃ），Ａ组：氧化锌丁香油糊剂组（对照组）；Ｂ组：碘仿—氧化锌糊剂组；Ｃ组：多种抗菌素—氧化锌糊剂组。３组病例的根管处理方法相同，不同的是根管药物配伍有别。结果：采用Ｘ光牙片与临床表现相结合定量计分评定疗效。３组间治疗效果差异显著，其中以多种抗菌素—氧化锌糊剂组的疗效最佳，与Ａ组和Ｂ组比较，其组间差异经团体ｔ检验（Ｐ＜ ０．０５或Ｐ＜ ０．０１）。结论：多种抗菌素—氧化锌根管湖剂是一种良好的根管充填材料，尤其适合青海高原地区乳牙慢性根尖周炎的治疗。
Objective: To investigate the effective method of treating chronic periapical periodontitis of children's molars in Qinghai Plateau. Methods: Outpatients were divided into three groups randomly (A, B, C). A group: zinc oxide clove oil paste group (control group); Group B: iodoform-zinc oxide paste group; Group C: a variety of antibiotic-zinc oxide paste group. Root canal treatment of the three groups of patients with the same method, the difference is different from the root canal drug compatibility. Results: Quantitative scoring was used to evaluate the efficacy of X-ray combined with clinical manifestations. There was significant difference between the three groups in the treatment effect, among which the antibiotic-zinc oxide paste group had the best curative effect. Compared with group A and group B, the difference between the groups was statistically significant (P <0.05 or P <0) .01). Conclusion: A variety of antibiotic-zinc oxide root canal lakes is a good root canal filling material, especially for the treatment of chronic apical periodontitis in deciduous teeth in Qinghai Plateau.