Heat-killed probiotic and postbiotic oral lozenges vs placebo
Reduced dental plaque index · Adults with dental caries
Postbiotic lozenges reduce plaque index in one adult RCT (ungraded).
1 finding from 1 review
- Postbiotics and Dental Caries: A Systematic Review. 2025 All outcomes4 weeks · Clinical; salivary/plaque samplingOne RCT in adults reported a significant reduction in plaque index with postbiotic/heat-killed lozenges versus placebo (Lin 2022); no pooled estimate.1 studyGRADE not reported