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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
Indirect bonding with flowable adhesive (Opal Bond MV) vs Direct bonding with Transbond XT
White spot lesion formation measured by QLF · Patients undergoing fixed orthodontic treatment · Before and after treatment
Can Orthodontic Adhesive Systems Inhibit the Formation and Development of White Spot Lesions During Fixed… (2024)
The DB group exhibited significantly higher loss of fluorescence and degree of demineralization compared to the IB group between T0 and T1, with notable differences in specific quadrants (p <0.05 for ΔF and ΔF max).1 study · 51 participantsUngraded
TT+GG (homozygous) genotypes vs TG (heterozygous) genotype
Dental caries · Children (<18 years) with vs without dental caries · Over-dominant model (TT+GG vs TG)
Association of vitamin D receptor gene polymorphisms with caries risk in children: a systematic review and… (2024)
OR 0.89 [0.66, 1.20]3 studies · 796 participantsUngraded
Cranberry extract / juice and proanthocyanidin (flavonoid) fractions vs Untreated or vehicle control (some studies vs positive antimicrobial controls, e.g. chlorhexidine/fluoride)
Antioxidant capacity · Streptococcus mutans (in vitro cultures and biofilms)
Effect of flavonoids from grape seed and cranberry extracts on the microbiological activity of Streptococcus… (2024)
Cranberry non-dialyzable fractions showed antioxidant activity; the acetone-eluted NDMac fraction was ~twice as rich in polyphenols and had ~twice the antioxidant activity of the ethanol-eluted fraction (Neto 2017).1 studyUngraded
Silver diamine fluoride (SDF; 38% in most trials, 30% in three) vs Other methods (pooled: nano-silver fluoride, sodium fluoride varnish)
Caries arrestment at the surface level · Children and adults with active dental caries (aged 1-50; mostly preschool/school children with primary dentition) · 12 to 18 months, Overall (all comparators pooled)
The role of silver diamine fluoride as dental caries preventive and arresting agent: a systematic review and… (2024)
OR 1.03 [0.47, 2.27]3 studies · 5394 participantsModerate
Primary teeth / primary dentition (younger children) vs Permanent teeth / permanent dentition (older children)
Dental caries risk · Institutionalized orphan children · Overall (pooled)
Caries in orphan children: prevalence and determinants-a systematic review and meta-analysis. (2024)
RR 1.31 [0.91, 1.89]5 studies · 1892 participantsVery low
Prophylaxis (teeth cleaning) and CHX or iodine-NaF solution application in the dentition of women (mothers) vs Placebo
dmfs index score · For interventions, pregnant women and mothers of infants in the first year of life; for outcomes, children up to 6…
Interventions with pregnant women, new mothers and other primary caregivers for preventing early childhood… (2024) · Cochrane
dmfs was listed in the SoF table but not assessed (no trial reported it).0 studiesNo studies
Pulpotomy (full or partial) vs None (single-arm success proportion)
Overall success (composite of clinical and radiographic success) · Permanent teeth with carious pulp exposure · >=12 months, Unspecified/mixed diagnosis
Efficacy of pulpotomy for permanent teeth with carious pulp exposure: A systematic review and meta-analysis… (2024)
Proportion 0.909 [0.833, 0.965]NRUngraded
Silver diamine fluoride (SDF) vs Fluoride varnish
Caries arrest · Children and adults (with or without carious lesions) · Permanent dentition (root)
Topical silver diamine fluoride (SDF) for preventing and managing dental caries in children and adults (2024) · Cochrane
No studies reported data in this dentition type0 studiesNo studies
Overweight/obesity (combined) vs Normal weight (eutrophic)
Dental caries prevalence (any dmft), dichotomous · Brazilian children under 5 years in primary dentition (BMI classified by WHO 2006 Z-score)
Overweight/obesity and dental caries in Brazilian children and adolescents: a systematic review and… (2024)
OR 0.86 [0.60, 1.22]3 studiesVery low
Cesarean section delivery vs Vaginal delivery
Early childhood caries (ECC) · Children aged <6 years · Time period: After 2018
RETRACTED: The association between mode of childbirth delivery and early childhood caries: A comprehensive… (2024)
OR 1.01 [0.75, 1.35]13 studiesUngraded
Periodontitis vs No periodontitis (periodontal health or gingivitis)
Dental caries (prevalence) · Adults · Female
Association between periodontitis and dental caries: a systematic review and meta-analysis. (2024)
OR 1.36 [0.74, 2.49]2 studiesUngraded
Genome-wide common variants (aggregate additive; LD score regression) vs Not applicable (variance-component estimate)
Dental caries - SNP-based heritability · Japanese adults (present-study cohort) · Lifelong (germline genotype), LDSC heritability (present study)
Genome-wide association meta-analysis identifies two novel loci associated with dental caries. (2024)
h2 (observed-scale SNP heritability) 0.02581 study · 45525 participantsUngraded
Pulpotomy (full or partial) vs None (single-arm success proportion)
Overall success (composite of clinical and radiographic success) · Permanent teeth with carious pulp exposure · >=12 months, Partial pulpotomy
Efficacy of pulpotomy for permanent teeth with carious pulp exposure: A systematic review and meta-analysis… (2024)
Proportion 0.882NRUngraded
Intervention NR
Overall success (composite of clinical and radiographic success) · Full pulpotomy, unspecified/mixed diagnosis
Efficacy of pulpotomy for permanent teeth with carious pulp exposure: A systematic review and meta-analysis… (2024)
Proportion 0.903 [0.801, 0.973]5 studiesUngraded
Prenatal vitamin D deficiency (PVDD) vs Normal or sufficient prenatal vitamin D level
Dental caries · Children aged 2 to 8 years · Maternal pregnancy to child age 2 to 8 years, Meta-regression adjusted for gestational age, child age, and maternal vitamin D level
Association between prenatal vitamin D deficiency with dental caries in infants and children: a systematic… (2024)
OR 1.28 [1.23, 1.33]NRUngraded
Silver diamine fluoride (SDF) vs Placebo, control, and/or other interventions
Caries arrestment at the tooth level · Children and adults without systemic diseases affecting dental health · 6 months to 12 months
The role of silver diamine fluoride as dental caries preventive and arresting agent: a systematic review and… (2024)
OR 1.74 [0.88, 3.46]5 studies · 743 participantsModerate
CC genotype vs CT+TT genotypes
Dental caries · Children (<18 years) with vs without dental caries · Recessive model (CC vs CT+TT)
Association of vitamin D receptor gene polymorphisms with caries risk in children: a systematic review and… (2024)
OR 1.23 [0.97, 1.55]3 studies · 1329 participantsUngraded
Obesity vs Normal weight (eutrophic)
Dental caries prevalence (any dmft), dichotomous · Brazilian children in primary dentition (BMI classified by CDC 2000 growth charts)
Overweight/obesity and dental caries in Brazilian children and adolescents: a systematic review and… (2024)
OR 0.44 [0.08, 2.61]2 studies · 709 participantsVery low
Silver diamine fluoride (SDF) vs Fluoride varnish
Caries arrest · Children and adults (with or without carious lesions) · Permanent dentition (coronal)
Topical silver diamine fluoride (SDF) for preventing and managing dental caries in children and adults (2024) · Cochrane
No studies reported data in this dentition type0 studiesNo studies
Silver diamine fluoride (SDF) vs Silver nitrate plus fluoride varnish
Caries arrest · Children and adults (with or without carious lesions) · 18 months, Primary dentition (coronal)
Topical silver diamine fluoride (SDF) for preventing and managing dental caries in children and adults (2024) · Cochrane
MD -0.10 [-0.51, 0.31]1 study · 1070 participantsLow
Extraction at patient age <8 years vs Extraction at patient age >10 years
Spontaneous space closure · Children and adolescents after extraction of a mandibular permanent first molar (before eruption of the second molar) · Until eruption of the permanent second molar (median follow-up 4.0 years), Mandible
Spontaneous space closure after extraction of permanent first molars in children and adolescents: a… (2024)
OR 5.01 [1.45, 17.30]2 studies · 15 participantsLow
Cranberry extract / juice and proanthocyanidin (flavonoid) fractions vs Untreated or vehicle control (some studies vs positive antimicrobial controls, e.g. chlorhexidine/fluoride)
GtfB/C and F-ATPase activity · Streptococcus mutans (in vitro cultures and biofilms)
Effect of flavonoids from grape seed and cranberry extracts on the microbiological activity of Streptococcus… (2024)
Cranberry PAC reduced extracellular polysaccharides 35-40% and inhibited GtfB 40-70% (Koo); decreased EPS formation (Philip 2019); inhibited F-ATPase up to 85% and GtfB up to 70% (Duarte); F-ATPase 18-33% and GtfB…5 studiesUngraded
Not applicable (single-group prevalence) vs Not applicable (single-group prevalence)
Early childhood caries experience (mean dmft) · Children younger than 71 months (under 6 years) · Region: Central/South America
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
MEAN 3.08 [2.42, 3.74]3 studiesUngraded
Silver diamine fluoride (SDF) vs Placebo or no treatment
Adverse effects · Children and adults (with or without carious lesions) · 12 to 30 months, Adults
Topical silver diamine fluoride (SDF) for preventing and managing dental caries in children and adults (2024) · Cochrane
1 study reported no adverse effects. 1 study reported a white discolouration of the gingiva adjacent to surfaces treated with SDF (116 surfaces) as well as redness (4 surfaces), and mild ulceration (2 surfaces). In…2 studies · 316 participantsVery low
Not applicable (single-group prevalence) vs Not applicable (single-group prevalence)
Early childhood caries experience (mean dmft) · Children younger than 71 months (under 6 years) · Overall (all regions)
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
MEAN 3.68 [2.99, 4.37]60 studiesUngraded
CC+AA (homozygous) genotypes vs CA (heterozygous) genotype
Dental caries · Children (<18 years) with vs without dental caries · Over-dominant model (CC+AA vs CA)
Association of vitamin D receptor gene polymorphisms with caries risk in children: a systematic review and… (2024)
OR 0.91 [0.73, 1.14]3 studies · 1327 participantsUngraded
Mineral trioxide aggregate (MTA) vs TotalFill BC
Overall success (composite of clinical and radiographic success) · Permanent teeth with carious pulp exposure · >=12 months
Efficacy of pulpotomy for permanent teeth with carious pulp exposure: A systematic review and meta-analysis… (2024)
OR 1.44 [0.65, 3.19]2 studies · 248 participantsUngraded
Children with severe early childhood caries (S-ECC) vs Caries-free children
Serum 25-hydroxyvitamin D level · Preschool children ≤6 years, North America · North America
The Association Between Vitamin D and Early Childhood Caries: A Systematic Review and Meta-Analysis. (2024)
MD -13.28 [-17.70, -8.87]NRUngraded
Extraction at patient age 8-10 years vs Extraction at patient age >10 years
Spontaneous space closure · Children and adolescents after extraction of a mandibular permanent first molar (before eruption of the second molar) · Until eruption of the permanent second molar (median follow-up 4.0 years), Mandible
Spontaneous space closure after extraction of permanent first molars in children and adolescents: a… (2024)
OR 3.32 [1.73, 6.36]3 studies · 109 participantsLow
Slum setting vs Non-slum urban setting
Oral disease prevalence · Adult residents of slum and non-slum urban settings in LMICs
Systematic review of oral health in slums and non-slum urban settings of Low and Middle-Income Countries… (2024)
no estimate extracted18 studiesUngraded
Cranberry extract or cranberry flavonoid fractions vs No extract or vehicle control; other antimicrobial agents
Bacterial growth inhibition · Streptococcus mutans cultures and biofilms
Effect of flavonoids from grape seed and cranberry extracts on the microbiological activity of Streptococcus… (2024)
no estimate extracted7 studiesUngraded
Higher waist circumference vs Lower waist circumference
Dental caries in children · Children (approx. 4-18 years)
Childhood obesity in relation to risk of dental caries: a cumulative and dose-response systematic review and… (2024)
OR 1.08 [0.90, 1.30]2 studiesUngraded
Presence of oral Candida albicans vs Absence of oral Candida albicans
Early childhood caries (ECC) · Children aged ≤6 years (early childhood) · Exposure and outcome assessed concurrently (observational); children aged ≤6 years, Time period: 2018 and later
RETRACTED: Investigating the association between Candida albicans and early childhood dental caries: A… (2024)
OR 4.17 [2.62, 6.64]12 studiesUngraded
GG genotype vs GA+AA genotypes
Dental caries · Children (<18 years) with vs without dental caries · Recessive model (GG vs GA+AA)
Association of vitamin D receptor gene polymorphisms with caries risk in children: a systematic review and… (2024)
OR 0.58 [0.26, 1.30]4 studies · 1741 participantsUngraded
Adhesive precoated (APC) flash-free brackets (minimal excess adhesive) vs Conventional brackets (conventional adhesive-coated / ceramic brackets)
Enamel demineralization / white spot lesions (DIAGNOdent, QLF) · Patients undergoing fixed orthodontic (fixed appliance) treatment (adolescents and adults, ages 12 to 35) · 1 to 6 months (to debonding)
Can Orthodontic Adhesive Systems Inhibit the Formation and Development of White Spot Lesions During Fixed… (2024)
Two studies (Tan 2020 split-mouth, n=30; Yetkiner 2019 RCT, n=50): no statistically significant difference in demineralization between flash-free and conventional/APC brackets (Tan p>0.05; Yetkiner delta-F not…2 studies · 80 participantsUngraded
Silver diamine fluoride (SDF) plus fluoride varnish vs Sealants plus fluoride varnish (with or without restorations)
Dental pain or sensitivity · Children and adults (with or without carious lesions)
Topical silver diamine fluoride (SDF) for preventing and managing dental caries in children and adults (2024) · Cochrane
No studies reported data for this outcome in this comparison0 studiesNo studies
Silver diamine fluoride (SDF; 38% in most trials, 30% in three) vs Other methods (pooled: ART/glass ionomer cement, nano-silver fluoride, sodium fluoride varnish, placebo)
Adverse effects (tooth staining; soft-tissue and systemic events) · Children and adults with active dental caries (aged 1-50; mostly preschool/school children with primary dentition) · up to 30 months
The role of silver diamine fluoride as dental caries preventive and arresting agent: a systematic review and… (2024)
Black staining of arrested lesions reported in most studies; 4 studies reported mild transient events (gingival blenching/pain; diarrhea/stomachache; burning, bad taste, pain, mouth injury, dissatisfaction with…NRUngraded
TT+CC (homozygous) genotypes vs TC (heterozygous) genotype
Dental caries · Children (<18 years) with vs without dental caries · Over-dominant model (TT+CC vs TC), PCR-RFLP genotyping
Association of vitamin D receptor gene polymorphisms with caries risk in children: a systematic review and… (2024)
OR 1.15 [0.83, 1.60]NRUngraded
TT genotype vs TC+CC genotypes
Dental caries · Children (<18 years) with vs without dental caries · Recessive model (TT vs TC+CC), Caucasian ethnicity
Association of vitamin D receptor gene polymorphisms with caries risk in children: a systematic review and… (2024)
OR 1.05 [0.56, 1.98]NRUngraded
Teledentistry (index test): dental caries diagnosis from photographs taken with DSLR or smartphone cameras; store-and-forward vs Visual/clinical dental examination (reference standard)
Negative predictive value · Children and adults with primary or permanent dentition undergoing dental caries assessment · Cross-sectional diagnostic accuracy (index test vs reference standard, in-vivo), Overall (studies reporting NPV; narrative synthesis)
Teledentistry accuracy for caries diagnosis: a systematic review of in-vivo studies using extra-oral… (2024)
Negative predictive value reported in 10 of 19 studies; per-study values ranged from about 31% to 99.5% (Table 2). No pooled estimate.10 studiesUngraded
Intervention NR
Decayed surfaces (DS) · Periodontal disease severity (CDC-AAP); single study (Robert 2019); adjusted
Association between periodontitis and dental caries: a systematic review and meta-analysis. (2024)
OR 1.18 [1.05, 1.32]1 studyUngraded
Not applicable (single-group prevalence) vs Not applicable (single-group prevalence)
Early childhood caries experience (mean dmft) · Children younger than 71 months (under 6 years) · GNI $20000-$39999
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
MEAN 1.13 [0.72, 1.55]9 studiesUngraded
Silver diamine fluoride (SDF) vs Fluoride varnish
Adverse effects · Children and adults (with or without carious lesions) · 24 hours to 30 months, Children
Topical silver diamine fluoride (SDF) for preventing and managing dental caries in children and adults (2024) · Cochrane
In 1 study, black or brown staining on treated lesions was more common after SDF (OR 3.19, 95% CI 1.95 to 5.23), with no other adverse effects. 1 study reported complaints of a transient bitter taste with SDF use (with…3 studies · 980 participantsVery low
Not applicable (single-group prevalence) vs Not applicable (single-group prevalence)
Early childhood caries (ECC) prevalence (%, dmft>0) · Children younger than 71 months (under 6 years) · GNI $10000-$19999
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
Prevalence 55 [42, 68]9 studiesUngraded
Not applicable (single-group prevalence) vs Not applicable (single-group prevalence)
Early childhood caries (ECC) prevalence (%, dmft>0) · Children younger than 71 months (under 6 years) · Gini index: low inequality
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
Prevalence 39NRUngraded
Obesity vs Normal weight (eutrophic)
Untreated dental caries (d component), continuous · Brazilian children/adolescents (BMI classified by WHO 2007 Z-score)
Overweight/obesity and dental caries in Brazilian children and adolescents: a systematic review and… (2024)
MD 0.28 [-0.03, 0.59]2 studies · 456 participantsLow
Serum 25(OH)D < 50 nmol/l vs Serum 25(OH)D 50–75 nmol/l
Early childhood caries (ECC) · Preschool children ≤6 years
The Association Between Vitamin D and Early Childhood Caries: A Systematic Review and Meta-Analysis. (2024)
OR 1.47 [1.30, 1.66]6 studies · 5265 participantsUngraded
Pulpotomy (full or partial) vs None (single-arm success proportion)
Overall success (composite of clinical and radiographic success) · Permanent teeth with carious pulp exposure · >=12 months
Efficacy of pulpotomy for permanent teeth with carious pulp exposure: A systematic review and meta-analysis… (2024)
Proportion 0.867 [0.820, 0.907]25 studies · 2012 participantsVery low
Slum / urban-disadvantaged setting vs Non-slum urban / general-urban / national population
Self-perceived (self-rated) oral health status · Adult residents of slums and non-slum urban settings of LMICs · Cross-sectional, By age, sex, socioeconomic class, employment
Systematic review of oral health in slums and non-slum urban settings of Low and Middle-Income Countries… (2024)
Six studies (incl. 1 qualitative) reported perception; most participants rated their oral health as satisfactory/good (e.g., Olutola 76% good; Olusile 21% very good + 37% good; Osuh higher in slum than non-slum),…6 studiesUngraded
Highest BMI category (overweight/obese) vs Lowest BMI category (normal weight/underweight)
Dental caries / early childhood caries (ECC) · Children (approx. 4-18 years) · Study design: cohort
Childhood obesity in relation to risk of dental caries: a cumulative and dose-response systematic review and… (2024)
OR 1.27 [1.07, 1.56]3 studiesUngraded