检查和治疗慢性广泛性牙周炎加重期患者54例,年龄18～65岁,牙周袋深度5～15mm。取牙周袋内容物进行细菌培养,包括需氧培养和厌氧培养,经过病原菌鉴定和药物敏感试验,提出选择抗生素种类的最佳方案: ①牙周袋存在大量革兰氏阴性和革兰氏阳性厌氧菌和微需氧菌时,大多数病例出现牙周流脓,应首先选 Check and treatment of 54 patients with chronic, extensive periodontitis exacerbation, age 18 to 65 years, periodontal pocket depth 5 ~ 15mm. Take the content of periodontal pocket for bacterial culture, including aerobic culture and anaerobic culture, after identification of pathogens and drug sensitivity tests, the best option for the selection of antibiotic species: ① periodontal pocket there is a large number of Gram-negative and Gram's Positive anaerobic bacteria and micro-aerobic bacteria, the majority of cases of periodontal pus should be the first election