从33例牙周病患者的100个破坏活跃区和150个不活跃区采取龈下菌斑样品,培养分析表明:微生物组合与取样部位的牙周状态有关。牙周破坏显著、附着丧失多、袋较深的部位,具核梭杆菌、牙龈拟杆菌、福赛拟杆菌、直肠沃廉氏菌等菌群占优势。在病损不活跃区及 Subgingival plaque samples were taken from 100 sag-active areas and 150 inactive areas in 33 patients with periodontal disease. The analysis of the culture showed that the combination of the microorganisms was related to the periodontal status of the sampling site. Significant periodontal damage, loss of attachment, the deeper parts of the bag, Fusobacterium nucleatum, Bacteroides germplasm, Bacteroides bacteriophage, V retilactas rectum and other flora dominant. In the inactive lesions and areas