Other Research Systematic review ✓ Peer reviewed

Effect of Probiotic Supplementation on Cariogenic Streptococcus mutans Levels: A Systematic Review and Network Meta‐Analysis

Australian Dental Journal · Alain Manuel Chaple Gil, Laura Pereda Vázquez, Meylin Santiesteban Velázquez, Jorge J. Menendez · 2026-05-27

A systematic review of 20 trials found that probiotic supplements produced small, short-lived reductions in cavity-causing bacteria levels compared to placebo, with low to moderate evidence quality, suggesting probiotics may serve as a supplementary but not primary preventive strategy.

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