Mutans streptococci (MS) are the primary cariogenic agents, and Streptococcus mutans and Streptococcus sobrinus are believed to have the closest relationship with human caries.

变形链球菌族（MS）是目前公认的致龋菌，其中与人类龋病发生关系密切的是变形链球菌和茸毛链球菌。

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Mutans streptococci (MS) are the primary cariogenic agents, and Streptococcus mutans and Streptococcus sobrinus are believed to have the closest relationship with human caries.

变形链球菌族（MS）是目前公认的致龋菌，其中与人类龋病发生关系密切的是变形链球菌和茸毛链球菌。

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