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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)

5 questions in 3 reviews · cluster CL0020

current versions
No studies 0 · 0%Ungraded 5 · 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
High salivary S. mutans level vs Lower salivary S. mutans level
Sites with attachment loss greater than 3 mm · Humans with salivary S. mutans measured · Overall
Association between periodontitis and dental caries: a systematic review and meta-analysis. (2024)
OR 0.74 [0.35, 1.60]1 studyUngraded
Caries-associated bacterial biofilm vs Sound/control tissue (sound dentin, sound root, or enamel caries)
Bacterial collagenolytic protease gene expression · Human ex vivo carious lesions / caries-associated biofilm
Presence of host and bacterial-derived collagenolytic proteases in carious dentin: a systematic review of ex… (2023)
Genes coding for bacterial collagenolytic proteases were significantly expressed/overrepresented in coronal (Simon-Soro et al., 2013) and root (Dame-Teixeira et al., 2018: 42 proteases differentially expressed, 18…2 studies · 25 participantsUngraded
Caries-associated bacterial biofilm vs Sound/control tissue (sound dentin, sound root, or enamel caries)
Bacterial collagenolytic enzymatic activity · Human ex vivo carious lesions / caries-associated biofilm
Presence of host and bacterial-derived collagenolytic proteases in carious dentin: a systematic review of ex… (2023)
Results are inconclusive: protein-degrading bacteria isolated from root caries biofilm were capable of degrading collagen (Prevotella, Actinobaculum, Propionibacterium predominant; proportion 7% in root caries)…2 studies · 9 participantsUngraded
Dental caries (carious oral microbiome) vs Caries-free / healthy oral microbiome
Alpha diversity (Chao1, Observed, Shannon) · Adults providing oral (saliva/supragingival plaque) 16S rRNA microbiome samples · Adults
Meta-analysis of caries microbiome studies can improve upon disease prediction outcomes. (2022)
In adults, there was no significant caries-vs-health difference in Chao1 or Observed diversity, whereas the Shannon index differed significantly (p < 0.001).NRUngraded
Dental caries (carious oral microbiome) vs Caries-free / healthy oral microbiome
Alpha diversity (Shannon) · Children providing oral (saliva/supragingival plaque) 16S rRNA microbiome samples · Children
Meta-analysis of caries microbiome studies can improve upon disease prediction outcomes. (2022)
In children, the Shannon alpha-diversity index differed significantly between caries and health (p < 0.001).NRUngraded