Probiotics have been recently introduced in dentistry and is one of the newer approaches in caries management. They have been used successfully for several years mainly for gastrointestinal disorders. Most probiotic strains belong to Lactobacilli or bifidobacteria group. Mechanism of action of probiotics is mainly unknown but may include intermicrobial species interactions and immunostimulatory effects. Randomized controlled trials have shown the inhibitory effect of probiotics against caries. Even though direct recommendations for the use of probiotics cannot yet be given, scientific evidence so far indicates that probiotic therapy may be a reality in dentistry in the future.
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