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细菌在牙周病发生过程中的作用已逐步被肯定。龈下菌斑是牙周病的始动因子。此说已被许多证据所支持。近十年来随着当代细菌学研究的迅速发展,特异菌斑假说已经建立.在从口腔中分离出来的数目
The role of bacteria in periodontal disease has been gradually confirmed. Subgingival plaque is the initiating factor of periodontal disease. This has been supported by many evidences. Over the past decade with the rapid development of contemporary bacteriology, specific plaque hypothesis has been established in the number of isolated from the oral cavity