【摘 要】目的：评价奥硝唑治疗牙周炎的临床效果及不良反应发生率影响。方法：抽取2018年1月至2019年1月于我科室收治的76例牙周炎患者作为观察对象，采用随机双盲法分组，对照组患者接受甲硝唑治疗，试验组患者接受奥硝唑治疗，观察两组临床效果。结果：试验组牙周炎患者临床疗效高于对照组，不良反应发生概率比对照组低，有统计意义(P<0.05);治疗后，试验组PI、GI、PD水平优于对照组，有统计意义(P<0.05)。结论：奥硝唑治疗牙周炎的临床效果较优，不良反应发生率较小，值得作为首选药物。

    【关键词】奥硝唑;牙周炎;不良反应

    Abstract Objective：To evaluate the clinical effects of ornidazole in the treatment of periodontitis and the incidence of adverse reactions. Methods：76 patients with periodontitis admitted to our department from January 2018 to January 2019 were enrolled in the study. The patients were randomly divided into two groups. The control group received metronidazole and the experimental group received ornidazole. ......