Objective: To determine the distribution of Actinobacillus actinomycetemcomitans (Aa) in subgingival plaques in the patients with chronic periodontitis(CP).
目的：研究伴放线菌放线杆菌在牙周炎患者和健康人龈下菌斑中的分布。
Objective: To determine the distribution of Actinobacillus actinomycetemcomitans (Aa) in subgingival plaques in the patients with chronic periodontitis(CP).
目的：研究伴放线菌放线杆菌在牙周炎患者和健康人龈下菌斑中的分布。
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