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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)

5,762 questions in 263 reviews · Dental caries

current versions
No studies 321 · 5.6%Ungraded 4,450 · 77.2%Very low 455 · 7.9%Low 297 · 5.2%Moderate 200 · 3.5%High 39 · 0.7%

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.

QuestionEffectEvidenceStatus / GRADE
Vitapex (calcium hydroxide/iodoform) vs RC Fill
Radiological failure · Children with extensive decay involving the dental pulp in primary teeth · 12 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
RR 2.00 [0.65, 6.15]1 study · 86 participantsUngraded
Ferric sulphate (FS) vs Ankaferd Blood Stopper (ABS)
Radiological failure · Children with extensive decay involving the dental pulp in primary teeth · 12 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
RR 0.88 [0.34, 2.23]2 studies · 100 participantsLow
Fluoride in dentifrice vs No treatment
Caries increment in permanent teeth (DMFS change from baseline) · Children or adolescents · At least 1 year or school year, Network meta-regression covariate: randomization year
Graphs of study contributions and covariate distributions for network meta-regression. (2018)
no estimate extractedNRUngraded
Low income vs High income
Mean number of decayed teeth (mean DT) · Adults aged 25 years and older in Australia, Canada, New Zealand, and the United States · 2003-2009, Overall random-effects meta-analysis
Socioeconomic status, oral health and dental disease in Australia, Canada, New Zealand and the United States. (2018)
AD 0.44 [0.23, 0.65]4 studies · 14960 participantsUngraded
Low income vs High income
Prevalence of untreated decay (% DT > 0) · Adults aged 25 years and older in Australia, Canada, New Zealand, and the United States · 2003-2009, Overall random-effects meta-analysis
Socioeconomic status, oral health and dental disease in Australia, Canada, New Zealand and the United States. (2018)
AD 12.04 [8.35, 15.73]4 studies · 14960 participantsUngraded
Populations with low socioeconomic status (>=22.4% of the population with low SES) vs Populations with higher socioeconomic status (<22.4% of the population with low SES)
Dental caries experience (DMFT) · Adults aged 19-60 years · Low SES (>=22.4% with low SES)
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
MEAN 15.99 [14.35, 17.63]4 studiesUngraded
Zinc oxide and eugenol (ZOE) vs Zinc oxide and propolis (ZOP)
Outcome NR · Children with extensive decay involving the dental pulp in primary teeth
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
Listed as a pulpectomy comparison; no extractable outcome data reported in this version0 studiesNo studies
Conventional restorative treatment with compomer vs Other network treatments
Treatment success rate · Primary teeth with dentin caries lesions on occlusal surfaces · Various follow-up times, Occlusal surface without reported lesion depth
Scientific evidence for the management of dentin caries lesions in pediatric dentistry: A systematic review… (2018)
RANK 15 studiesLow
3Mix (ciprofloxacin + metronidazole + minocycline) vs Simvastatin
Clinical failure · Children with extensive decay involving the dental pulp in primary teeth · 12 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
RR 1.00 [0.51, 1.95]1 study · 160 participantsVery low
Aloe vera vs Mineral trioxide aggregate (MTA)
Clinical failure · Children with extensive decay involving the dental pulp in primary teeth · 6 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
RR 51.00 [3.25, 801.15]1 study · 60 participantsUngraded
Fluorides combined with CPP-ACP vs Fluorides alone (monotherapy)
Visual inspection scores · Patients with early caries lesions in permanent teeth (non-fluoridated water area) · Post-treatment (4-24 weeks)
Efficacy of fluorides and CPP-ACP vs fluorides monotherapy on early caries lesions: A systematic review and… (2018)
Not pooled (2 trials, different scoring criteria, standard deviations not reported). Brochner 2011: no significant difference; Andersson 2007: more lesions became invisible with fluorides + CPP-ACP.2 studiesUngraded
Calcium hydroxide/iodoform (CH/iodoform) vs Full strength formocresol (FC)
Radiological failure · Children with extensive decay involving the dental pulp in primary teeth · 12 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
RR 9.11 [3.04, 27.31]1 study · 67 participantsUngraded
Human Development Index (quantitative) vs Not applicable
Mean DMFT · Adult participants in 25 meta-regression studies · Model 1 adjusted
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
Meta-regression coefficient -42.941016 studiesUngraded
Secondary education vs University education
Mean number of decayed teeth (mean DT) · Adults aged 25 years and older in Australia, Canada, New Zealand, and the United States · 2007-2009, Canada
Socioeconomic status, oral health and dental disease in Australia, Canada, New Zealand and the United States. (2018)
AD 0.7 [0.4, 1.1]1 study · 3278 participantsUngraded
Low-level diode laser vs Mineral trioxide aggregate (MTA)
Overall failure · Children with extensive decay involving the dental pulp in primary teeth · 12 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
RR 4.00 [0.49, 32.72]1 study · 40 participantsUngraded
Self-etch adhesive + acetone-based total-etch adhesive vs Acetone-based total-etch adhesive
Clinical failure · Children with extensive decay involving the dental pulp in primary teeth · 6, 12 and 24 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
RR 3.00 [0.13, 69.52]1 study · 40 participantsVery low
Postnatal passive tobacco exposure (secondhand/household smoke in infancy) vs No passive tobacco exposure (non-exposed children)
Dental caries in permanent dentition (presence) · Children and adolescents (permanent dentition) · Postnatal exposure; permanent dentition
Association between passive tobacco exposure and caries in children and adolescents. A systematic review and… (2018)
OR 1.297 [1.254, 1.342]9 studiesUngraded
Enamel matrix derivative (EMD) vs Calcium hydroxide (CH)
Outcome NR · Children with extensive decay involving the dental pulp in primary teeth · 6 and 12 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
Direct pulp capping; overall failure RR 1.00 (0.06 to 15.50) at 6/12 months (Garrocho-Rangel 2009); no pain/soft tissue/mobility/root resorption1 study · 90 participantsUngraded
Endoflas chlorophenol free (Endoflas-CF) vs Zinc oxide and eugenol (ZOE)
Clinical failure · Children with extensive decay involving the dental pulp in primary teeth · 6 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
RR 3.00 [0.13, 68.26]1 studyUngraded
Women who experienced preterm birth vs Women who did not experience preterm birth (term)
DMFT index (decayed, missing and filled teeth) · Pregnant women
Dental caries and preterm birth: a systematic review and meta-analysis. (2018)
MD 1.56 [-0.28, 3.41]5 studies · 2963 participantsUngraded
Radiographic caries detection (bitewing radiography) vs Reference standard (histological validation or cavity/lesion opening; advanced = cavitated/dentin-involved lesions, all = enamel-confined initial lesions also counted)
Positive LR for detecting advanced proximal caries · Proximal surfaces of permanent molars (demonstrated in 12-14 year-olds; underlying diagnostic accuracy studies, mostly… · Tailored to Germany
Visual and radiographic caries detection: a tailored meta-analysis for two different settings, Egypt and… (2018)
Positive LR 9.82 [7.3, 13.3]22 studiesUngraded
Populations with a lower proportion of university-educated people (<33.78% with university level) vs Populations with a higher proportion of university-educated people (>=33.78% with university level)
Dental caries experience (DMFT) · Adults aged 19-60 years · High university (>=33.78%)
Socioeconomic Factors and Caries in People between 19 and 60 Years of Age: An Update of a Systematic Review… (2018)
MEAN 10.91 [7.95, 13.87]9 studiesUngraded
3Mix (ciprofloxacin + metronidazole + minocycline) vs Ciprofloxacin + ornidazole + minocycline
Outcome NR · Children with extensive decay involving the dental pulp in primary teeth
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
Listed as a pulpectomy comparison; no extractable outcome data reported in this version0 studiesNo studies
Radiographic caries detection (bitewing radiography) vs Reference standard (histological validation or cavity/lesion opening; advanced = cavitated/dentin-involved lesions, all = enamel-confined initial lesions also counted)
Specificity for detecting advanced proximal caries · Proximal surfaces of permanent molars (demonstrated in 12-14 year-olds; underlying diagnostic accuracy studies, mostly… · Tailored to Egypt
Visual and radiographic caries detection: a tailored meta-analysis for two different settings, Egypt and… (2018)
Specificity 95.5 [94, 97]22 studiesUngraded
Mineral trioxide aggregate (MTA) vs 3Mixtatin
Radiological failure · Children with extensive decay involving the dental pulp in primary teeth · 12 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
No radiological failure in any participant; not estimable1 study · 160 participantsUngraded
Visual caries detection (ICDAS visual/visual-tactile inspection) vs Reference standard (histological validation or cavity/lesion opening; advanced = cavitated/dentin-involved lesions, all = enamel-confined initial lesions also counted)
Negative LR for detecting all (initial and advanced) occlusal caries · Occlusal surfaces of permanent molars (demonstrated in 12-14 year-olds; underlying diagnostic accuracy studies, mostly… · Conventional meta-analysis (all studies)
Visual and radiographic caries detection: a tailored meta-analysis for two different settings, Egypt and… (2018)
Negative LR 0.19 [0.15, 0.25]67 studiesUngraded
Glutaraldehyde + calcium hydroxide (CH) vs Full strength formocresol (FC)
Radiological failure · Children with extensive decay involving the dental pulp in primary teeth · 3 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
RR 1.10 [0.31, 3.84]1 study · 44 participantsUngraded
Slow-release fluoride device (fluoride glass beads) vs Placebo or usual care (control)
Increase in DMFS at 2 years compared with baseline · Children with high risk of dental decay · 2 years
Slow‐release fluoride devices for the control of dental decay (2018) · Cochrane
MD -1.52 [-2.68, -0.36]1 study · 63 participantsVery low
Post-secondary education vs University education
Prevalence of untreated decay (% DT > 0) · Adults aged 25 years and older in Australia, Canada, New Zealand, and the United States · 2007-2009, Canada
Socioeconomic status, oral health and dental disease in Australia, Canada, New Zealand and the United States. (2018)
AD 7.8 [3.7, 12.0]1 study · 3278 participantsUngraded
Placebo vs No treatment
Caries increment in permanent teeth · Children or adolescents · At least 1 year or school year, Randomisation year, NMR covariate
Graphs of study contributions and covariate distributions for network meta-regression. (2018)
SMD REMOVE_ROW: generic 'SMD by randomisation year' with no intervention-comparator; not a discrete effect; comparison-specific NMR rows already presentNRUngraded
Intervention NR
Dental caries in primary dentition (presence) · Postnatal exposure; primary dentition; trim-and-fill adjusted (publication-bias sensitivity)
Association between passive tobacco exposure and caries in children and adolescents. A systematic review and… (2018)
OR 1.72 [1.45, 2.05]13 studiesUngraded
Erbium:YAG laser vs Formocresol (FC)
Clinical failure · Children with extensive decay involving the dental pulp in primary teeth · 24 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
RR 2.13 [0.20, 22.70]1 study · 97 participantsUngraded
Radiographic caries detection (bitewing radiography) vs Reference standard (histological validation or cavity/lesion opening; advanced = cavitated/dentin-involved lesions, all = enamel-confined initial lesions also counted)
Positive LR for detecting all (initial and advanced) occlusal caries · Occlusal surfaces of permanent molars (demonstrated in 12-14 year-olds; underlying diagnostic accuracy studies, mostly… · Conventional meta-analysis (all studies)
Visual and radiographic caries detection: a tailored meta-analysis for two different settings, Egypt and… (2018)
Positive LR 1.74 [1.3, 2.4]14 studiesUngraded
Ankaferd Blood Stopper (ABS) vs Formocresol (FC)
Clinical failure · Children with extensive decay involving the dental pulp in primary teeth · 6 and 12 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
RR 0.33 [0.01, 7.58]1 study · 30 participantsUngraded
Mineral trioxide aggregate (MTA) + sodium hypochlorite (NaOCl) vs Calcium hydroxide + sodium hypochlorite (NaOCl)
Radiological failure · Children with extensive decay involving the dental pulp in primary teeth · 12 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
RR 0.20 [0.02, 1.61]1 study · 62 participantsUngraded
Sealapex (eugenol-free calcium hydroxide) vs Zinc oxide and eugenol (ZOE)
Radiological failure · Children with extensive decay involving the dental pulp in primary teeth · 6 and 12 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
RR 5.00 [0.26, 98.00]1 study · 40 participantsUngraded
Radiographic caries detection (bitewing radiography) vs Reference standard (histological validation or cavity/lesion opening; advanced = cavitated/dentin-involved lesions, all = enamel-confined initial lesions also counted)
Negative LR for detecting all (initial and advanced) occlusal caries · Occlusal surfaces of permanent molars (demonstrated in 12-14 year-olds; underlying diagnostic accuracy studies, mostly… · Conventional meta-analysis (all studies)
Visual and radiographic caries detection: a tailored meta-analysis for two different settings, Egypt and… (2018)
Negative LR 0.79 [0.65, 0.96]14 studiesUngraded
Primary education vs University education
Prevalence of fair/poor self-rated oral health · Adults aged 25 years and older in Australia, Canada, New Zealand, and the United States · 2003-2009, Overall random-effects meta-analysis
Socioeconomic status, oral health and dental disease in Australia, Canada, New Zealand and the United States. (2018)
AD 20.49 [4.95, 36.04]4 studies · 14960 participantsUngraded
Medium income vs High income
Prevalence of untreated decay (% DT > 0) · Adults aged 25 years and older in Australia, Canada, New Zealand, and the United States · 2007-2009, Canada
Socioeconomic status, oral health and dental disease in Australia, Canada, New Zealand and the United States. (2018)
AD 8.0 [3.0, 12.9]1 study · 3278 participantsUngraded
Fluoride in gel vs No treatment
Caries increment in permanent teeth · Children or adolescents · At least 1 year or school year, Randomisation year, NMR covariate
Graphs of study contributions and covariate distributions for network meta-regression. (2018)
no estimate extractedNRUngraded
Visual caries detection (ICDAS visual/visual-tactile inspection) vs Reference standard (histological validation or cavity/lesion opening; advanced = cavitated/dentin-involved lesions, all = enamel-confined initial lesions also counted)
PPV for detecting advanced occlusal caries · Occlusal surfaces of permanent molars (demonstrated in 12-14 year-olds; underlying diagnostic accuracy studies, mostly… · Tailored to Egypt
Visual and radiographic caries detection: a tailored meta-analysis for two different settings, Egypt and… (2018)
PPV 30.655 studiesUngraded
Visual caries detection (ICDAS visual/visual-tactile inspection) vs Reference standard (histological validation or cavity/lesion opening; advanced = cavitated/dentin-involved lesions, all = enamel-confined initial lesions also counted)
Sensitivity for detecting all (initial and advanced) occlusal caries · Occlusal surfaces of permanent molars (demonstrated in 12-14 year-olds; underlying diagnostic accuracy studies, mostly… · Tailored to Egypt
Visual and radiographic caries detection: a tailored meta-analysis for two different settings, Egypt and… (2018)
Sensitivity 85.8 [82, 89]51 studiesUngraded
Slow-release fluoride device (fluoride glass beads) vs Placebo or usual care (control)
Increase in DMFT at 2 years compared with baseline · Children with high risk of dental decay · 2 years
Slow‐release fluoride devices for the control of dental decay (2018) · Cochrane
MD -0.72 [-1.23, -0.21]1 study · 63 participantsVery low
Radiographic caries detection (bitewing radiography) vs Reference standard (histological validation or cavity/lesion opening; advanced = cavitated/dentin-involved lesions, all = enamel-confined initial lesions also counted)
Sensitivity for detecting advanced proximal caries · Proximal surfaces of permanent molars (demonstrated in 12-14 year-olds; underlying diagnostic accuracy studies, mostly… · Tailored to Egypt
Visual and radiographic caries detection: a tailored meta-analysis for two different settings, Egypt and… (2018)
Sensitivity 44.4 [38, 51]22 studiesUngraded
Visual caries detection vs Reference standard (often histological; also invasive opening)
All occlusal carious lesions · Permanent molar surfaces in diagnostic accuracy studies (mostly in vitro; clinical) · Conventional meta-analysis (all studies)
Visual and radiographic caries detection: a tailored meta-analysis for two different settings, Egypt and… (2018)
Specificity 75.3 [70, 80]67 studiesUngraded
Slow-release fluoride device (fluoride glass beads) vs Placebo or usual care (control)
Progression of caries lesion through enamel or into dentine · Children with high risk of dental decay
Slow‐release fluoride devices for the control of dental decay (2018) · Cochrane
No evidence found0 studiesNo studies
Visual caries detection (ICDAS visual/visual-tactile inspection) vs Reference standard (histological validation or cavity/lesion opening; advanced = cavitated/dentin-involved lesions, all = enamel-confined initial lesions also counted)
Positive LR for detecting advanced occlusal caries · Occlusal surfaces of permanent molars (demonstrated in 12-14 year-olds; underlying diagnostic accuracy studies, mostly… · Conventional meta-analysis (all studies)
Visual and radiographic caries detection: a tailored meta-analysis for two different settings, Egypt and… (2018)
Positive LR 7.09 [5.6, 8.9]94 studiesUngraded
OrthoMTA vs RetroMTA
Clinical failure · Children with extensive decay involving the dental pulp in primary teeth · 12 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
RR 3.13 [0.13, 74.85]1 study · 96 participantsUngraded
Fluoride in rinse vs No treatment
Caries increment in permanent teeth · Children or adolescents · At least 1 year or school year, Randomisation year, NMR covariate
Graphs of study contributions and covariate distributions for network meta-regression. (2018)
no estimate extractedNRUngraded
Calcium hydroxide (CH) vs Formocresol (FC)
Clinical failure · Children with extensive decay involving the dental pulp in primary teeth · 24 months
Pulp treatment for extensive decay in primary teeth (2018) · Cochrane
RR 3.83 [1.68, 8.74]1 study · 120 participantsLow