Findings

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Evidence found and GRADE certainty

3,556 questions · 10,375 findings · 429 reviews · Oral Health

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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Daily fluoride intake from toothpaste vs Child age (across age groups)

Association between age and daily fluoride intake from toothpaste · Children using fluoride toothpaste (all tap-water fluoride categories)

There was no correlation between daily fluoride intake from toothpaste and the age of children (all R2 < 0.14), across all tap-water fluoride categories (ungraded).

1 finding from 1 review
  • Fluoride Intake Through Dental Care Products: A Systematic Review. 2022 All outcomes
    Multiple countries (28 studies; ~43% conducted in Brazil); community/general-population settings · All tap-water fluoride categories; Levy et al. [20,22,24] data excluded
    R2 (coefficient of determination) <0.14
    Studies not reported
    GRADE not reported

Essential oil mouthwash vs Water

Reduction in level of contamination by particles >5 um (droplets) at <2 m from patient's oral cavity · Dental patients undergoing aerosol-generating procedures (AGPs) and the dental healthcare providers treating them
3 findings from 1 review

High-viscosity GIC atraumatic restorative treatment vs Conventional restoration

Restoration survival · Children with occlusoproximal caries in primary teeth

Multiple reviews reported similar restoration survival for ART versus conventional restorations in occlusoproximal cavities (ungraded).

1 finding from 1 review

Socioeconomic status category vs Children without dental caries

Dental caries (association with middle SES) · Children (deciduous and/or permanent dentition) in low- and middle-income countries

Middle SES showed no significant association with dental caries (OR 0.80, 95% CI 0.59 to 1.10; 7 studies; not GRADE-rated).

1 finding from 1 review

Living with HIV and undergoing antiretroviral therapy (ART/HAART) vs Healthy HIV-negative controls

Mucocele · Children or adolescents

No significant difference in mucocele between groups (OR 3.03, 95% CI 0.12 to 75.37; single study).

1 finding from 1 review

Prior SDF application with a rinsing step vs No prior SDF application (untreated dentin control)

Immediate bond strength (MPa) · Glass-ionomer cement bonded to caries-affected dentin (in vitro)

SDF pretreatment with a rinsing step does not affect glass-ionomer cement bond strength to caries-affected dentin (MD -0.36 MPa, 95% CI -1.07 to 0.35; ungraded).

1 finding from 1 review

Prior application of silver diamine fluoride (SDF), with or without a rinsing step vs No prior SDF application (untreated dentin control)

Immediate bond strength (MPa) · Glass-ionomer cement bonded to dentin (in vitro), sound or caries-affected

Prior SDF application does not influence the immediate bond strength of glass-ionomer cement to dentin (MD -0.11 MPa, 95% CI -0.54 to 0.31; ungraded).

1 finding from 1 review

Restorative materials placed by atraumatic restorative treatment (ART); mostly high-viscosity/conventional GIC, also RMGIC, glass carbomer, compomer, composite resin vs Different ART materials or application techniques (e.g., bilayer vs single-step, with vs without cavity conditioner/disinfectant), or composite resin

Treatment failure (annual failure rate) · Children with carious primary teeth treated by atraumatic restorative treatment (hand-instrument caries removal), no pulp therapy

ART restorations (mainly GIC) had a wide annual failure rate (1.2-37.1%) across 10 RCTs, with technique affecting survival; low to unclear quality of evidence (ungraded).

1 finding from 1 review

Behaviour change / oral health promotion interventions delivered by non-dental professionals and health workers (nurses, midwives, health visitors, community health workers) vs control (no intervention/usual care/isotonic exercise)

Caries experience at the surface level (dmfs/defs) · Children (mean age newborn to ~5.2 years) and their parents/carers

Behaviour change interventions delivered by non-dental health workers produced a small, statistically significant reduction in caries experience at the surface level (dmfs SMD -0.15, 95% CI -0.25 to -0.04; 12 studies); the review judged the overall evidence to be of low quality (not GRADE-rated).

1 finding from 1 review

Dental caries (carious oral microbiome) vs Caries-free / healthy oral microbiome

Alpha diversity (Shannon) · Children providing oral (saliva/supragingival plaque) 16S rRNA microbiome samples

In children, caries-vs-health Shannon alpha diversity differed significantly (ungraded).

1 finding from 1 review

Dentinal caries in primary dentition (at 5 years) vs Caries-free primary dentition

Dentinal caries in permanent (newly erupted) teeth · School children and adolescents (6-18 years) followed from primary dentition (baseline examination before 72 months of age)

Dentinal caries in the primary dentition is associated with about 3.2 times higher odds of dentinal caries in permanent teeth (single study; not GRADE-rated).

1 finding from 1 review

Dental caries (carious oral microbiome) vs Caries-free / healthy oral microbiome

Discrimination of caries vs health (random forest ROC-AUC) · Individuals providing oral (saliva/supragingival plaque) 16S rRNA microbiome samples; 2016 samples from 19 studies (mixed children and…

Microbiome-based random forest classifiers could not reliably discriminate caries from health across the combined cohort (best AUC approximately 0.75 in a disease-only KO subset; ungraded).

1 finding from 1 review