牙周病是一种感染性疾病，随着牙周病的细菌病因学深入研究，控制龈下菌斑和细菌是治疗牙周病的重要方法之一，而口腔厌氧菌特别是革兰氏阴性专性厌氧菌在各种炎症性牙周病中起重要作用。本文采用抗厌氧菌感染新药替硝唑，探讨治疗牙周病的疗效，报导如下。材料和方法1病例选择 Periodontal disease is an infectious disease, with the bacterial etiology of periodontal disease in-depth study to control subgingival plaque and bacteria is an important method of treatment of periodontal disease, and oral anaerobic bacteria, especially Gram Negative obligate anaerobic bacteria play an important role in various inflammatory periodontal diseases. In this paper, anti-anaerobic infections tinidazole new drug, to explore the treatment of periodontal disease, reported as follows. Materials and methods 1 case selection