Dental caries is a disease on the hard tissue of the teeth that characterized by a process of demineralization. High salivary glucose in Diabetes Mellitus (DM) will increase the incidence of caries. Dental caries occurs due to many factors, one of them is microorganisms. The most of common microorganisms that cause dental karies are Streptococcus mutans (S. Mutans). Objective: This study a…