Findings

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Evidence found and GRADE certainty

3,556 questions · 10,375 findings · 429 reviews · All outcomes

No studies found 1,344 · 13%GRADE not reported 6,832 · 65.9%Very low 1,228 · 11.8%Low 613 · 5.9%Moderate 290 · 2.8%High 68 · 0.7%

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Non-syndromic cleft lip and palate (CLP) status and its oral microbiota (exposure/grouping) vs Children and adolescents aged 0-18 years without CLP (controls)

Lactobacillus spp. salivary/plaque counts (cariogenic microbiota) · Children and adolescents aged 0-18 years with non-syndromic cleft lip and palate (CLP)

A meta-analysis found no significant difference in mean Lactobacillus spp. levels between children with and without CLP, with high heterogeneity; the evidence is ungraded.

1 finding from 1 review

Adjunctive antimicrobial photodynamic therapy (aPDT) applied after subgingival instrumentation (SI) vs Subgingival instrumentation (SI) alone (hand or power-driven, or both), or SI plus placebo/sham aPDT

Change in probing pocket depth (PPD) · Adults (> 18 years) with a clinical diagnosis of periodontitis, receiving active (non-surgical anti-infective) treatment

Adjunctive antimicrobial photodynamic therapy (aPDT) applied after… led to higher change in probing pocket depth (PPD) compared with subgingival instrumentation (SI) alone (hand or power-driven, or…; GRADE not reported.

2 findings from 1 review

Commercial fluoride-releasing RMGIC orthodontic adhesive (Fuji Ortho LC) vs Conventional/control orthodontic adhesive (e.g., Transbond XT) or negative control

Fluoride ion release · Human enamel specimens around orthodontic brackets (in vitro)

In vitro, the commercial RMGIC Fuji Ortho LC showed significant fluoride release up to 6 months in a single study (ungraded).

1 finding from 1 review

TT+TC genotypes vs CC genotype

Dental caries · Children (<18 years) with vs without dental caries

In the Caucasian ethnicity subgroup, TaqI(rs731236) dominant model: TT+TC vs CC showed no significant association with caries (OR 0.84); ungraded.

8 findings from 1 review
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Cranberry extract / juice and proanthocyanidin (flavonoid) fractions vs Untreated or vehicle control (some studies vs positive antimicrobial controls, e.g. chlorhexidine/fluoride)

Bacterial growth inhibition · Streptococcus mutans (in vitro cultures and biofilms)

Cranberry extract inhibits S. mutans growth in vitro (MIC ~0.5-60 mg/mL across 7 studies; ungraded).

1 finding from 1 review

Not applicable (single-group prevalence) vs Not applicable (single-group prevalence)

Dental caries prevalence · Children (<18 years) with intellectual and developmental disabilities (IDD) in India

Dental caries affects about 64% of children with IDD in India (pooled prevalence 0.64, 95% CI 0.45-0.79; high heterogeneity; ungraded).

1 finding from 1 review

Prenatal vitamin D deficiency (low maternal 25(OH)D during pregnancy) vs Adequate prenatal vitamin D (sufficient maternal 25(OH)D)

Dental caries prevalence · Children aged 2 to 8 years

The review reported 44% dental caries prevalence among children of mothers with low prenatal vitamin D.

2 findings from 1 review

Ate or licked fluoride toothpaste vs Did not eat or lick fluoride toothpaste

Fluorosis (percentage prevalence in permanent teeth) · Children exposed to topical fluoride when under 6 years old; fluorosis assessed in permanent teeth at 6 to 18 years
1 finding from 1 review
  • Topical fluoride as a cause of dental fluorosis in children 2024 · Cochrane All outcomes
    Fluorosis assessed when most permanent teeth of interest had erupted (6 to 18 years)
    Nine studies investigated whether children ate or licked toothpaste; measurement subjective so not meta-analyzed (Table 1). Findings mixed: some studies found no significant difference; others (e.g. Celeste 2016 OR up…
    9 studies
    GRADE not reported

Advice about a healthy diet (including breastfeeding promotion and sugar avoidance) and feeding practices (e.g. relating to bottle-feeding and sleep) for infants and young children vs usual care

dmfs index score (decayed, missing, filled primary surfaces; range 0-80) · For interventions, pregnant women, mothers or other caregivers of infants in the first year of life; for outcomes, children up to 6 years…

Advice about a healthy diet (including breastfeeding promotion and… showed no clear difference in dmfs index score (decayed, missing, filled primary surfaces; range… compared with standard care (low certainty).

1 finding from 1 review

Mandibular headgear vs no intervention

ANB · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)
1 finding from 1 review

Not applicable (single-group prevalence) vs Not applicable (single-group prevalence)

Periodontal disease prevalence · Children (<18 years) with intellectual and developmental disabilities (IDD) in India

In the single study reporting it, periodontal disease prevalence was 54.2% (single study; ungraded).

1 finding from 1 review

Presence of oral Candida albicans vs Absence of oral Candida albicans

Early childhood caries (ECC) · Children aged ≤6 years (early childhood)

RETRACTED. Among studies before 2017, oral C. albicans presence was associated with higher odds of ECC (OR 4.89, 95% CI 2.79-8.58); ungraded subgroup from a retracted review.

16 findings from 1 review
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Cranberry extract or cranberry flavonoid fractions vs No extract or vehicle control; other antimicrobial agents

Bacterial cell death · Streptococcus mutans (in vitro cultures and biofilms)

No meta-analysis was conducted; one included study reported time- and concentration-dependent bacterial-count reduction with cranberry extract.

1 finding from 1 review

Reverse Twin Block with lip pads and rapid maxillary expander (RME) vs no intervention

ANB · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)

Reverse Twin Block with lip pads and rapid maxillary expander (RME) led to higher ANB compared with untreated control (no treatment); GRADE not reported.

1 finding from 1 review

Opal Seal fluoride-releasing primer vs Conventional Transbond XT primer

White spot lesion area · Orthodontic patients of any age with fixed braces (new DLs assessed at debond)

Opal Seal showed no significant difference in WSL area, with certainty not graded.

1 finding from 1 review