Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

828 questions · 1,477 findings · 103 reviews

No studies found 5 · 0.3%GRADE not reported 1,402 · 94.9%Very low 38 · 2.6%Low 20 · 1.4%Moderate 11 · 0.7%High 1 · 0.1%

Periodontal therapy (scaling and root planing), post-treatment vs Pre-treatment (baseline, same group)

High salivary S. mutans (over 10^4 CFU/ml) · Periodontitis patients

High-level S. mutans did not change significantly after periodontal therapy (OR 1.54).

1 finding from 1 review

Genome-wide common variants (additive dosage; GWAS meta-analysis) vs Genome-wide significance threshold (P<5E-8)

Periodontal disease - novel loci (meta-analysis) · Adults from Japanese and European cohorts (present study + GLIDE + UK Biobank + BioBank Japan); periodontal disease cases vs controls

The meta-analysis found no novel loci for periodontal disease; the European SIGLEC5/chr19 locus did not replicate in Japanese populations; ungraded.

1 finding from 1 review
  • Genome-wide association meta-analysis identifies two novel loci associated with dental caries. 2024 All outcomes
    Lifelong (germline genotype) · Population-based genetic association study (Japanese + European cohorts) · Meta-analysis: present study + GLIDE + UKB + BBJ
    Meta-analysis of periodontal disease identified only previously known loci; no novel loci. The chromosome-19 SIGLEC5 locus associated with periodontitis in Europeans was not replicated in Japanese populations (present…
    4 studies · 764572 participants
    GRADE not reported

38% SDF + potassium iodide solution (applied annually) vs Tricalcium silicate (TCS) paste (applied twice daily)

Remineralization/arrest of early enamel carious lesions · Patients with early enamel carious lesions on permanent molars

For early enamel lesions, annual SDF+KI was significantly LESS effective than twice-daily tricalcium silicate paste (54.8% vs 100% arrested; p<0.001; ungraded).

1 finding from 1 review

38% SDF + potassium iodide solution (applied annually) vs CPP-ACP

Remineralization/arrest of early enamel carious lesions · Patients with early enamel carious lesions on permanent molars

For early enamel lesions, annual SDF+KI was significantly less effective than twice-daily CPP-ACP (54.8% vs 100% arrested; p<0.001; ungraded).

1 finding from 1 review

Resin-based fissure sealant vs Fluoride varnish

DMFS (decayed, missing, filled surfaces) increment, occlusal surfaces · Schoolchildren aged 6-12 years with sound occlusal surfaces of the first permanent molars

Pit and fissure sealant and fluoride varnish showed no statistically significant difference in DMFS increment at 24 months (SMD -0.13, 95% CI -0.67 to 0.40; I2=92%; not GRADE-rated).

1 finding from 1 review

Not applicable (single-group prevalence) vs Not applicable

Caries experience (mean DMFT) · Children aged 12 years (plus or minus one year) in Africa

The pooled mean DMFT score was 1.0900 (95% CI 0.9143 to 1.2657); GRADE was not reported.

2 findings from 1 review

Intervention not reported

Relative abundance of Veillonella spp.

The intervention showed no clear difference in relative abundance of Veillonella spp.; GRADE not reported.

1 finding from 1 review

Intervention not reported

Mean DMFT (decayed, missing, filled permanent teeth) · Individuals with permanent dentition in East Africa

The pooled mean DMFT (permanent dentition) in East Africa was 1.941 (95% CI 1.561 to 2.322); certainty not graded.

1 finding from 1 review