Same question across reviews · CL0065

aetiology :: Unclassified intervention -> Caries increment (DMFS/DMFT)

ProposalThis cluster groups questions by review type, intervention category and outcome domain. It is a proposal pending human validation, so questions in it may differ in population, comparator or timing.
Reviews
21
Questions
175
current versions
GRADE rated
5
Review overlap (CCA)
0.001
over all included studies of these reviews, not this question only
QuestionEffectEvidenceStatus / GRADE
E-cigarette use (ENDS / vaping) vs Non-smokers
Dental caries experience (DMFT/DMFS index) · Humans who use e-cigarettes (adolescents to adults) assessed for dental caries · Cross-sectional to 6 months
The effects of electronic smoking on dental caries and proinflammatory markers: a systematic review and… (2025)
Cohen's d 0.93 [-1.11, 2.98]3 studiesUngraded
Lower unemployment rate vs Higher unemployment rate (low <=5% / medium >5-10% / high >10%)
Caries experience (mean DMFT) · 12-year-old children across European countries (national/regional epidemiological surveys, 2011-2022) · Cross-sectional (survey data 2011-2022), Low unemployment (<=5%)
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
MEAN 1.23NRUngraded
Higher per-capita expenditure on dental health care vs Lower per-capita expenditure on dental health care (USD bands: $0-50 / $51-100 / >$100)
Caries experience (mean DMFT) · 12-year-old children across European countries (national/regional epidemiological surveys, 2011-2022) · Cross-sectional (survey data 2011-2022), $0-50 per capita
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
MEAN 3.06 [2.32, 3.79]14 studiesUngraded
Epilepsy (as exposure/condition) vs Healthy participants without epilepsy (control group)
dmft (primary teeth) · Children and adolescents with epilepsy · Children/adolescents
Evaluating the DMFT and dmft indices in people with epilepsy: A systematic review and meta-analysis. (2025)
SMD 0.132 [-0.220, 0.484]NRUngraded
All dental health care expenditure strata vs No comparator (single-group pooled mean)
DMFT caries experience · 12-year-old children in European countries · 2011-2022, Overall
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
Mean DMFT 2.10 [1.61, 2.59]32 studiesUngraded
Western/Northern Europe (UN M49 region) vs Eastern/Southern Europe (UN M49 geographical categorization)
Caries experience (mean DMFT) · 12-year-old children across European countries (national/regional epidemiological surveys, 2011-2022) · Cross-sectional (survey data 2011-2022), North Europe
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
MEAN 1.34 [0.62, 2.06]8 studiesUngraded
All GNI strata vs No comparator (single-group pooled mean)
DMFT caries experience · 12-year-old children in European countries · 2011-2022, Overall
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
Mean DMFT 2.10 [1.63, 2.57]34 studiesUngraded
All M49 regions vs No comparator (single-group pooled mean)
DMFT caries experience · 12-year-old children in European countries · 2011-2022, Overall
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
Mean DMFT 2.10 [1.63, 2.57]34 studiesUngraded
Western/Northern Europe (UN M49 region) vs Eastern/Southern Europe (UN M49 geographical categorization)
Caries experience (mean DMFT) · 12-year-old children across European countries (national/regional epidemiological surveys, 2011-2022) · Cross-sectional (survey data 2011-2022), East Europe
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
MEAN 2.76 [2.44, 3.08]9 studiesUngraded
Very high Human Development Index (HDI >=0.800) vs High Human Development Index (HDI 0.700-0.799)
Caries experience (mean DMFT) · 12-year-old children across European countries (national/regional epidemiological surveys, 2011-2022) · Cross-sectional (survey data 2011-2022), High HDI (0.700-0.799)
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
MEAN 3.41NRUngraded
Lower unemployment rate vs Higher unemployment rate (low <=5% / medium >5-10% / high >10%)
Caries experience (mean DMFT) · 12-year-old children across European countries (national/regional epidemiological surveys, 2011-2022) · Cross-sectional (survey data 2011-2022), Medium unemployment (>5-10%)
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
MEAN 2.08NRUngraded
Epilepsy (as exposure/condition) vs Healthy participants without epilepsy (control group)
DMFT (permanent teeth) · Children and adolescents with epilepsy · Children/adolescents
Evaluating the DMFT and dmft indices in people with epilepsy: A systematic review and meta-analysis. (2025)
SMD 0.334 [-0.140, 0.827]NRUngraded
Epilepsy (as exposure/condition) vs Healthy participants without epilepsy (control group)
DMFT (decayed, missing, filled permanent teeth) · People with epilepsy (children, adolescents, and adults)
Evaluating the DMFT and dmft indices in people with epilepsy: A systematic review and meta-analysis. (2025)
SMD 0.403 [0.057, 0.749]7 studiesHigh
All European countries pooled (overall) vs None (overall pooled prevalence)
Caries experience (mean DMFT) · 12-year-old children across European countries (national/regional epidemiological surveys, 2011-2022) · Cross-sectional (survey data 2011-2022), Overall
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
MEAN 2.10 [1.63, 2.57]34 studies · 493360 participantsUngraded
Epilepsy (as exposure/condition) vs Healthy participants without epilepsy (control group)
DMFT (permanent teeth) · Adults with epilepsy · Adults
Evaluating the DMFT and dmft indices in people with epilepsy: A systematic review and meta-analysis. (2025)
SMD 0.548 [0.223, 0.873]NRUngraded
Western/Northern Europe (UN M49 region) vs Eastern/Southern Europe (UN M49 geographical categorization)
Caries experience (mean DMFT) · 12-year-old children across European countries (national/regional epidemiological surveys, 2011-2022) · Cross-sectional (survey data 2011-2022), West Europe
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
MEAN 0.88 [0.54, 1.22]5 studiesUngraded
Lower unemployment rate vs Higher unemployment rate (low <=5% / medium >5-10% / high >10%)
Odds of higher caries (DMFT) category · 12-year-old children across European countries (national/regional epidemiological surveys, 2011-2022) · Cross-sectional (survey data 2011-2022), Unemployment rate (ordinal logistic regression, adjusted)
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
OR 0.99 [0.44, 2.23]NRUngraded
Epilepsy (as exposure/condition) vs Healthy participants without epilepsy (control group)
dmft (decayed, missing, filled primary teeth) · People with epilepsy (children, adolescents, and adults)
Evaluating the DMFT and dmft indices in people with epilepsy: A systematic review and meta-analysis. (2025)
SMD 0.132 [-0.22, 0.484]5 studiesHigh
Western/Northern Europe (UN M49 region) vs Eastern/Southern Europe (UN M49 geographical categorization)
Odds of higher caries (DMFT) category · 12-year-old children across European countries (national/regional epidemiological surveys, 2011-2022) · Cross-sectional (survey data 2011-2022), Geographical location (ordinal logistic regression, adjusted)
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
OR 0.57 [0.24, 1.35]NRUngraded
Western/Northern Europe (UN M49 region) vs Eastern/Southern Europe (UN M49 geographical categorization)
Caries experience (mean DMFT) · 12-year-old children across European countries (national/regional epidemiological surveys, 2011-2022) · Cross-sectional (survey data 2011-2022), South Europe
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
MEAN 2.61 [1.60, 3.62]12 studiesUngraded
Electronic cigarette use vs Non-smokers
DMFT/DMFS score · People who use electronic cigarettes · Overall
The effects of electronic smoking on dental caries and proinflammatory markers: a systematic review and… (2025)
Cohen's d 0.93 [-1.11, 2.98]3 studiesUngraded
Higher per-capita expenditure on dental health care vs Lower per-capita expenditure on dental health care (USD bands: $0-50 / $51-100 / >$100)
Caries experience (mean DMFT) · 12-year-old children across European countries (national/regional epidemiological surveys, 2011-2022) · Cross-sectional (survey data 2011-2022), >$100 per capita
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
MEAN 0.96 [0.64, 1.28]12 studiesUngraded
Very high Human Development Index (HDI >=0.800) vs High Human Development Index (HDI 0.700-0.799)
Odds of higher caries (DMFT) category · 12-year-old children across European countries (national/regional epidemiological surveys, 2011-2022) · Cross-sectional (survey data 2011-2022), Human Development Index (ordinal logistic regression, adjusted)
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
OR 1.82 [0.32, 10.47]NRUngraded
Higher per-capita expenditure on dental health care vs Lower per-capita expenditure on dental health care (USD bands: $0-50 / $51-100 / >$100)
Caries experience (mean DMFT) · 12-year-old children across European countries (national/regional epidemiological surveys, 2011-2022) · Cross-sectional (survey data 2011-2022), $51-100 per capita
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
MEAN 2.14 [1.40, 2.89]6 studiesUngraded
Epilepsy (exposure) vs Healthy participants
dmft index (primary teeth) · Children or adolescents with epilepsy · Children or adolescents
Evaluating the DMFT and dmft indices in people with epilepsy: A systematic review and meta-analysis. (2025)
SMD 0.132 [-0.220, 0.484]NRUngraded
Not applicable (single-group prevalence) vs Not applicable (single-group prevalence)
Mean dmft (caries severity) · Children aged 0-5 years in North Africa · Overall
Prevalence and risk factors for early childhood caries in North Africa: a systematic review and meta-analysis. (2025)
MEAN 2.95 [1.86, 4.67]13 studiesUngraded
Very high Human Development Index (HDI >=0.800) vs High Human Development Index (HDI 0.700-0.799)
Caries experience (mean DMFT) · 12-year-old children across European countries (national/regional epidemiological surveys, 2011-2022) · Cross-sectional (survey data 2011-2022), Very high HDI (>=0.800)
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
MEAN 1.73NRUngraded
Anorexia nervosa (as exposure; diagnosed by DSM-III/III-R/IV/V) vs Healthy individuals without anorexia nervosa (age- and sex-matched controls)
Caries experience (DMFT index) · Patients with anorexia nervosa aged >=12 years (mean age ~18.4; entirely female in reported data), general…
The influence of anorexia nervosa on oral health and related parameters potentially relevant to orthodontic… (2025)
MD 2.00 [0.87, 3.13]4 studies · 406 participantsLow
Lower unemployment rate vs Higher unemployment rate (low <=5% / medium >5-10% / high >10%)
Caries experience (mean DMFT) · 12-year-old children across European countries (national/regional epidemiological surveys, 2011-2022) · Cross-sectional (survey data 2011-2022), High unemployment (>10%)
Caries status in 12-year-old children, geographical location and socioeconomic conditions across European… (2025)
MEAN 2.38NRUngraded
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) · Gini index: low inequality
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
MEAN 1.62NRUngraded
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: Middle East
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
MEAN 5.53 [3.94, 7.13]6 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) · Region: Europe
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
Prevalence 36 [25, 47]13 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: Africa
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
MEAN 3.47 [1.37, 5.56]3 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) · GNI >$40000
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
MEAN 3.34 [1.79, 4.88]13 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) · GNI <$5000
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
MEAN 4.64 [3.38, 5.91]19 studiesUngraded
Slum / urban-disadvantaged setting vs Non-slum urban / general-urban / national population
Dental caries experience (mean DMFT) · Adult residents of slums and non-slum urban settings of LMICs · Cross-sectional
Systematic review of oral health in slums and non-slum urban settings of Low and Middle-Income Countries… (2024)
Mean DMFT (usually reported at population level) ranged from 0.26 to 16.6 across studies; the Missing component was typically highest and the Filled component lowest, reflecting limited access to dental care.12 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: Asia-Oceania
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
MEAN 3.87 [2.84, 4.91]30 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) · Life expectancy: 71-75 years
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
Prevalence 62NRUngraded
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 >$40000
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
Prevalence 47 [32, 62]14 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: North America
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
MEAN 3.89 [1.62, 6.16]7 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) · GNI $10000-$19999
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
MEAN 4.04 [2.39, 5.68]9 studiesUngraded
Oral cancer patients (cases) vs Healthy controls
DMFT index in OC cases vs controls · Adults in case-control studies (oral cancer patients vs healthy controls) · Not specified, DMFT (decayed, missing, filled teeth)
Periodontitis and the risk of oral cancer: a meta-analysis of case-control studies. (2024)
SMD 0.65 [0.12, 1.18]2 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) · Life expectancy: 71-75 years
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
MEAN 5.18NRUngraded
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: no inequality
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
Prevalence 62NRUngraded
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) · Region: Africa
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
Prevalence 42 [32, 53]3 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) · Region: Asia-Oceania
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
Prevalence 52 [45, 60]33 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) · GNI $5000-$9999
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
MEAN 4.28 [2.58, 5.97]10 studiesUngraded
Institutionalization (living in an orphanage/institution) vs Parented children living with their families
Permanent-teeth caries experience (DMF/DMFT, mean score) · Institutionalized orphan children (roughly 3 to 18 years) · Overall (pooled)
Caries in orphan children: prevalence and determinants-a systematic review and meta-analysis. (2024)
MD 0.09 [-0.36, 0.55]7 studies · 2676 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) · Gini index: no inequalities
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
MEAN 3.95NRUngraded
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) · Overall (all regions)
A systematic review and meta-analysis on early-childhood-caries global data. (2024)
Prevalence 49 [44, 55]67 studiesUngraded

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