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Evidence found and GRADE certainty

2 questions · 2 findings · 1 reviews · All outcomes

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No studies found 0 · 0%GRADE not reported 2 · 100%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Lactobacillus-derived postbiotics vs Not specified

Streptococcus mutans growth and biofilm formation · Cariogenic bacteria (mainly Streptococcus mutans reference strains) and oral biofilms in vitro

No meta-analysis was conducted; the narrative synthesis reported inhibition of Streptococcus mutans growth and biofilm formation.

1 finding from 1 review

Lactobacillus-derived postbiotics vs Not specified

Virulence-gene expression related to adhesion acid production and exopolysaccharide synthesis · Cariogenic bacteria (mainly Streptococcus mutans reference strains) and oral biofilms in vitro

No meta-analysis was conducted; the narrative synthesis reported reduced expression of Streptococcus mutans virulence genes.

1 finding from 1 review