目的:研究奥硝唑与丁硼漱口液联用治疗牙周炎临床效果。方法:治疗组牙周炎100例,奥硝唑与丁硼漱口液联用;对照组98例单纯使用奥硝唑。结果;治疗组总有效率92%,对照组总有效率70.41%。结论:奥硝唑与丁硼漱口液联用治疗牙周炎临床效果好于单用奥硝唑治疗。 Objective: To study the clinical effect of ornidazole combined with butyl boron mouthwash in the treatment of periodontitis. Methods: 100 cases of periodontitis in the treatment group were treated with ornidazole combined with butyl boronate. In the control group, 98 cases were treated with ornidazole alone. Results: The total effective rate was 92% in the treatment group and 70.41% in the control group. Conclusion: The clinical effect of ornidazole combined with butyl boronate in the treatment of periodontitis is better than that of ornidazole alone.