目的 :观察利口清含漱液治疗牙周病的临床疗效。方法 :采用利口清含漱液治疗牙周病 ,采用 0 .1 %利凡诺含漱液作为对照组 ,疗程 2周 ,用药 2周后观察结果。结果 :实验组治疗牙龈出血、口臭的有效率分别为 83.9% ,88.9% ;出血指数、探诊深度和菌斑指数都有下降 (P<0 .0 0 1 )。结论 :利口清含漱液与 0 .1 %利凡诺含漱液比较 ,有相似的疗效 ,但利口清含漱液没有味觉改变、发苦、发涩及舌苔发黄等副作用 Objective: To observe the clinical efficacy of Li Kouqing gargle in treatment of periodontal disease. Methods: Periodontal disease was treated with LiKouqing Gargle, and 0.1% rivanol gargle was used as the control group. The course of treatment was 2 weeks and the results were observed after 2 weeks of treatment. Results: The effective rates of gingival bleeding and bad breath in the experimental group were 83.9% and 88.9% respectively, and the bleeding index, probing depth and plaque index decreased (P <0.01). Conclusions: LiKingQing gargle and 0.1% rivanol gargle have similar curative effect, but LiKaiqing gargle has no taste change, bitterness, astringent and tongue yellowing and other side effects