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Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

9 questions in 6 reviews · cluster CL0368

current versions
No studies 0 · 0%Ungraded 9 · 100%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Intervention categories, outcome domains and clusters are a proposed key pending human validation. Clear all filters

QuestionEffectEvidenceStatus / GRADE
Intervention NR
Reduction of preformed S. mutans biofilms · In vitro
Postbiotics and Dental Caries: A Systematic Review. (2025)
no estimate extracted2 studiesUngraded
Intervention NR
Plaque index, e-cigarette users versus non-smokers: no significant difference (contrary/null finding) · Ralho (6 of 8 studies); Thiem (1 study)
An Umbrella Review of E-Cigarettes' Impact on Oral Microbiota and Biofilm Buildup. (2025)
Qualitative (narrative synthesis) No significant plaque-index difference vs non-smokers2 studiesUngraded
Intervention NR
Bacterial count reduction · AR-assisted toothbrush vs manual toothbrushing
The Application of Gamification in Children's Oral Health Management: Systematic Review. (2025)
Narrative (P value) Significant reduction in bacterial count with AR-assisted toothbrush (P<.05)1 studyUngraded
Intervention NR
Inhibition of S. sobrinus growth and biofilm formation (incl. ftf/gtfB/gtfC expression) · In vitro
Postbiotics and Dental Caries: A Systematic Review. (2025)
no estimate extracted1 studyUngraded
Intervention NR
Inhibition of mixed-species S. mutans-C. albicans biofilm and C. albicans virulence-gene (HWP1/ALS1/ALS3) downregulation · In vitro (interkingdom)
Postbiotics and Dental Caries: A Systematic Review. (2025)
no estimate extracted1 studyUngraded
Intervention NR
Altered cariogenic-biofilm composition/architecture with reduced abundance of cariogenic species · In vitro (multispecies biofilm)
Postbiotics and Dental Caries: A Systematic Review. (2025)
no estimate extracted1 studyUngraded
Intervention NR
Change in prevalence of salivary Streptococcus sobrinus · Single study (Stsepetova et al. 2019), erythritol and xylitol vs sorbitol, not pooled
Clinical Effects of Sugar Substitutes on Cariogenic Bacteria: A Systematic Review and Meta-Analysis. (2024)
Narrative (no effect size) Erythritol and xylitol significantly reduced the prevalence of salivary S. sobrinus1 studyUngraded
Intervention NR
Cariogenic microbiota counts (Streptococcus mutans, Lactobacillus spp.) · Narrative synthesis: significantly higher in CLP vs controls (Ahluwalia, Lucas, Hassani, Cheng, Sundell)
Characterization of the oral microbiota and the relationship of the oral microbiota with the dental and… (2024)
no estimate extracted5 studiesUngraded
Intervention NR
Oral Candida carriage and salivary yeast concentration
Impact of Antiretroviral Therapy on Oral Health among Children Living with HIV: A Systematic Review and… (2022)
no estimate extracted1 studyUngraded