目的分析研究甲硝唑缓释药膜治疗牙周炎的效果。方法分析我院口腔门诊收治的52例患者,对照组26例采用碘甘油治疗,观察组26例采用甲硝唑缓释药膜治疗,比较分析两种方法的治疗效果。结果用药治疗后两组患者的各项指标情况均明显改善,且观察组患者的改善情况、治疗有效率优于对照组,P<0.05,有统计学意义。结论牙周炎患者采用甲硝唑缓释药膜治疗,可有效改善牙周情况,提高患者生活质量。 Objective To study the effect of metronidazole sustained-release film on periodontitis. Methods Fifty-two patients admitted to our clinic were treated with iodine-glycerin in the control group. 26 cases in the observation group were treated with metronidazole sustained-release membrane, and the therapeutic effects of the two methods were compared. Results After treatment, the indexes of both groups were significantly improved, and the improvement of observation group was better than that of control group (P <0.05). There was statistical significance. Conclusion Metronidazole sustained release membrane treatment of patients with periodontitis can effectively improve the periodontal situation and improve the quality of life of patients.