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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.
4 questions in 2 reviews · cluster CL0242
current versionsNo studies 0 · 0%Ungraded 4 · 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
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Lactobacillus-derived postbiotics vs Not specified Virulence-gene expression related to adhesion acid production and exopolysaccharide synthesis · Reference strains of Streptococcus mutans and cariogenic biofilms · 24 h to 7 days Postbiotics and Dental Caries: A Systematic Review. (2025) | no estimate extracted | 7 studies | Ungraded |
Lactobacillus salivarius WB21 tablets vs Placebo tablets OLT scores and VSC scores (gas chromatography) · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced… Interventions for managing halitosis (2019) · Cochrane | Suzuki 2014 (cross-over RCT) compared Lactobacillus salivarius WB21 tablets versus placebo tablets (OLT and VSC by gas chromatography). The trial did not give usable data and we could not extract data from the graph. | 1 study | Ungraded |
Lactobacillus brevis CD2 lozenges vs Placebo lozenges OLT, VSC and breath print scores · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced… Interventions for managing halitosis (2019) · Cochrane | Marchetti 2015 (2-arm RCT) compared Lactobacillus brevis CD2 lozenges versus placebo lozenges (OLT, VSC and breath print). The study did not report any usable data and hence could not be included in the meta-analysis. | 1 study | Ungraded |
Lactobacillus beta lactoperoxidase (LPO) tablets vs Placebo tablets Volatile sulphur compounds (VSC), OralChroma · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced… Interventions for managing halitosis (2019) · Cochrane | Nakano 2017 (2-arm trial) compared Lactobacillus beta LPO tablets versus placebo tablets (VSC by OralChroma). The trial did not report any usable data and hence could not be included in the analysis. | 1 study | Ungraded |