牙周病是细菌感染性疾病，菌斑微生物是牙周病的始动因子。
Periodontal disease is caused by bacteria, and bacterial plaque is the initial factor of periodontal disease.
菌斑生物膜是粘附于牙齿表面的微生物团体，是龋病发生的始动因子。
Plaque biofilms, a well-organized microbial community on dental surface, is a major etiological factor of caries.
随着时间延长，不同类型的微生物出现菌斑也开始增厚。
As time goes on, different types of microorganisms appear, and the plaque thickens.
噬菌斑平板计数是微生物学理论研究与实际应用中常用的方法之一。
Plaques counting is a routine method in the theory research and practiced application of microbiology.
其带环放置后，龈下菌斑的微生物组成发生改变。
The microbial composition of subgingival plaque changes after bend is placed.
其带环放置后，龈下菌斑的微生物组成发生改变。
The microbial composition of subgingival plaque changes after bend is placed.
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