Probiotic Dairy Products as a Protective Factor of Dental Caries

Background & Objectives: Recent researches indicate that probiotic dairy products have many health-promoting effects. Dental cariostatic properties is one of these benefits that refer to either milk components such as some peptides and calcium and either presence of probiotic Bacteria. The main purpose of this cross-sectional study was to examine association between consumption of probiotic dairy products and prevalence of dental caries. Methods: Subject was 2025 man and woman with the mean age of 24.77 year-old, selected with stratified random sampling Methods from Tabriz city of Iran. Questionnaire with closed questions was designed about amount of daily intake of probiotic dairy products and other question was about complaint of dental caries. For statistical analysis of data with T-test and Chi-square-test, software SPSS 11.5 was used. Results: As results mean consumption of probiotic dairy products in positive dental caries group was 62.5 ml/day and in negative dental caries group was 106.8 ml/day and there was highly significant differences between mean consumption of two group (p3.841, Prevalence Ratio: 0.041<1, 95% Confidence Interval: 0.005-0.29), but there was no association when consumption volume was <250 ml/day (χ= 1.44