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微生物是牙周病的主要病因。近年,关于牙周病活动期和缓解期间微生物的变化问题,已引起人们普遍的关注。Listeg-arten 等用暗视野显微镜涂片法,肖晓蓉等用刚果红负性染色涂片法对龈沟及牙周袋内
Microbes are the main cause of periodontal disease. In recent years, the period of periodontal disease and alleviating microbial changes during the period, has aroused widespread concern. Listeg-arten and other dark-field microscope smear, Xiao Xiaorong and other Congo red negative staining smear of the gingival sulcus and periodontal pocket