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螺旋体是口腔正常菌群的一个组成部分.长期以来,一直被认为与牙周疾病的发生关系密切.在坏死性龈炎病变部位,可以发现大量的螺旋体,在慢性牙周炎的病损区也可发现菌斑中螺旋体的百分
Spirochetes are an integral part of normal oral flora and have long been thought to be closely linked to the development of periodontal disease. A large number of spirochaetes can be found in lesions of necrotic gingivitis, and also in lesions of chronic periodontitis The percentage of spirochete in the plaque can be found