Postbiotic toothpaste vs Fluoride toothpaste alone
Increased salivary IgA · children aged 6‐12 years
Postbiotics increase salivary IgA (immune modulation) in human trials (ungraded narrative synthesis).
1 finding from 1 review
- Postbiotics and Dental Caries: A Systematic Review. 2025 All outcomesDaily for 14 days to 4 weeks · Clinical; salivary/plaque samplingPostbiotic toothpaste significantly increased salivary IgA versus fluoride toothpaste (Basir 2022); the review also cites Lin 2022 for postbiotic immune modulation/IgA; no pooled estimate.1 studyGRADE not reported