In order to study the effect of; fermented milk on the lactobacillus counts, the elementary school
boys 2nd grade) were divided into three groups, i.e. caries free, caries susceptible, and caries treated group. Each group has 10 subjects.
From them saliva was collected in the sterilized screwed cap tube Each sample was cultured with pouring plate (Tomato-Juice agar) at 3´1C for 72hrs under aerobic condition.
Total quantitative counting was performed with stereoscope.
The obtained results showed that in terms of the following state before drinking, immediate after drinking and 30 minutes after drinking of fermented milk, the lactobacillus counts were highly counted in the caries treated, caries free and caries treated group, respectively.
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