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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)

22 questions in 3 reviews · cluster CL0327

current versions
No studies 0 · 0%Ungraded 22 · 100%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

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.

Intervention categories, outcome domains and clusters are a proposed key pending human validation. Clear all filters

QuestionEffectEvidenceStatus / GRADE
Caries assessment at enamel threshold vs None
Enamel caries proportion · European adolescents aged 15 years · Exact age
Dental caries at enamel and dentine level among European adolescents - a systematic review and meta-analysis. (2022)
Proportion 0.72 [0.55, 0.96]2 studiesUngraded
Caries assessment at enamel threshold vs None
Enamel caries proportion · European adolescents aged 17 years · Exact age
Dental caries at enamel and dentine level among European adolescents - a systematic review and meta-analysis. (2022)
Proportion 0.58 [0.55, 0.60]1 studyUngraded
Caries assessment at enamel threshold vs None
Enamel caries proportion · European adolescents aged 12 years · Exact age
Dental caries at enamel and dentine level among European adolescents - a systematic review and meta-analysis. (2022)
Proportion 0.52 [0.36, 0.75]6 studiesUngraded
Caries distribution assessment (individual, tooth and surface levels) vs None (descriptive prevalence review; subgroup analyses only)
Caries distribution (individual/tooth/surface level) · European adolescents aged 12–19 years
Dental caries at enamel and dentine level among European adolescents - a systematic review and meta-analysis. (2022)
No meta-analysis possible; caries distribution reported narratively from 11 studies as skewed at individual, tooth and surface levels, changing with age at tooth and surface level (Results – Caries distribution).11 studiesUngraded
Caries assessment at enamel threshold vs None
Enamel caries proportion · European adolescents aged 18 years · Exact age
Dental caries at enamel and dentine level among European adolescents - a systematic review and meta-analysis. (2022)
Proportion 0.29 [0.22, 0.38]2 studiesUngraded
External control of fluoride concentration vs Not applicable
Samples with fluoride concentration outside the acceptable range · Brazilian cities with artificially fluoridated public water supplies · 1995-2013, Sensitivity analysis excluding Silva et al.
External control of fluoridation in the public water supplies of Brazilian cities as a strategy against… (2021)
Prevalence 47.1 [39.6, 54.7]11 studiesUngraded
Dental erosion assessment vs None (descriptive prevalence review)
Dental erosion prevalence · Preschool children (5-year-olds) in the United Arab Emirates (Sharjah)
Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021)
Among 5-year-olds in Sharjah (n=403), Gopinath reported dental erosion in 58.8% and dissolution of enamel in 55.0% (exposed dentin 3.7%). Predictors of erosion included Arab non-Emirati nationality (OR 0.27, 95% CI…1 study · 403 participantsUngraded
External control of fluoride concentration vs Not applicable
Samples with fluoride concentration below the acceptable range · Brazilian cities in the Southeast region with artificially fluoridated public water supplies · 1995-2013, Southeast region
External control of fluoridation in the public water supplies of Brazilian cities as a strategy against… (2021)
Prevalence 24.6NRUngraded
Fluoride concentration relative to the acceptable range (electrometric ion-selective electrode measurement; acceptable range mostly 0.6-0.8 ppmF) vs None (descriptive proportion meta-analysis)
Water samples with fluoride concentration below the acceptable range · Artificially fluoridated public water supply in Brazilian cities (water samples under external control) · Region: Northeast Brazil
External control of fluoridation in the public water supplies of Brazilian cities as a strategy against… (2021)
Prevalence 79.7NRUngraded
Leukemia (oral health status) vs None (descriptive; compared by treatment location)
Oral health problems (mucositis, caries, candidiasis) · Children with leukemia in the United Arab Emirates
Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021)
Alnuaimi et al. reported a 60% prevalence of oral problems (mostly oral mucositis/ulceration, then dental caries and oral candidiasis) among children with leukemia; prevalence was not associated with age, gender,…1 studyUngraded
Fluoride concentration relative to the acceptable range (electrometric ion-selective electrode measurement; acceptable range mostly 0.6-0.8 ppmF) vs None (descriptive proportion meta-analysis)
Water samples with fluoride concentration above the acceptable range · Artificially fluoridated public water supply in Brazilian cities (water samples under external control) · Region: Southeast Brazil
External control of fluoridation in the public water supplies of Brazilian cities as a strategy against… (2021)
Prevalence 11.5NRUngraded
Prison-nursery setting / incarcerated-mother household (oral health status) vs Counterparts (community children)
Oral health status (caries, oral hygiene, treatment indices) · Preschool children of incarcerated mothers in UAE prison nurseries
Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021)
Al Salami et al. reported caries prevalence of 89.8% (mean dmft 4.97) among preschool children of incarcerated mothers, similar to their counterparts, but worse oral hygiene, higher debris/plaque (93.8% vs 81.8%) and…1 studyUngraded
Tooth wear assessment (primary teeth) vs None (descriptive prevalence review)
Tooth wear prevalence · School children (primary dentition) in the United Arab Emirates (Abu Dhabi)
Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021)
Al Halabi et al. (Abu Dhabi; 506 children, 9,213 teeth) reported tooth wear in 97.6% of school children, with the highest prevalence and severity at the upper incisor and upper canine segments. Attrition was…1 study · 506 participantsUngraded
Fluoride concentration relative to the acceptable range (electrometric ion-selective electrode measurement; acceptable range mostly 0.6-0.8 ppmF) vs None (descriptive proportion meta-analysis)
Water samples with fluoride concentration outside the acceptable range · Artificially fluoridated public water supply in Brazilian cities (water samples under external control)
External control of fluoridation in the public water supplies of Brazilian cities as a strategy against… (2021)
Prevalence 56.6 [45.5, 67.3]12 studiesUngraded
External control of fluoride concentration vs Not applicable
Samples with fluoride concentration above the acceptable range · Brazilian cities in the Northeast region with artificially fluoridated public water supplies · 1995-2013, Northeast region
External control of fluoridation in the public water supplies of Brazilian cities as a strategy against… (2021)
Prevalence 0.2NRUngraded
Fluoride concentration relative to the acceptable range (electrometric ion-selective electrode measurement; acceptable range mostly 0.6-0.8 ppmF) vs None (descriptive proportion meta-analysis)
Water samples with fluoride concentration outside the acceptable range · Artificially fluoridated public water supply in Brazilian cities (water samples under external control) · Region: Southeast Brazil
External control of fluoridation in the public water supplies of Brazilian cities as a strategy against… (2021)
Prevalence 42.4 [30.9, 54.4]NRUngraded
Special healthcare needs / disability (oral health status and treatment needs) vs None (descriptive; compared across disability types)
Oral health status and treatment needs · Arab children with special healthcare needs in the United Arab Emirates (Ras Al Khaimah)
Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021)
Alkhabuli et al. (Ras Al Khaimah) reported a high caries prevalence (85.2%) and high mean dmft/DMFT (5.67) among children with special healthcare needs. About two-thirds had good oral hygiene (highest in autism 100%,…1 studyUngraded
Autism spectrum disorder (oral health status and dental-care access) vs Healthy school-aged children (for some measures)
Oral health status and oral-care challenges · Children with autism spectrum disorder in the United Arab Emirates (Dubai)
Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021)
Jaber et al. reported dental caries in 77% of children with ASD (mean dmft 2.2 in early mixed dentition), gingivitis in all children (generalized 70.4%), mostly poor oral hygiene (59%), and low met-need/restorative…2 studiesUngraded
Fluoride concentration relative to the acceptable range (electrometric ion-selective electrode measurement; acceptable range mostly 0.6-0.8 ppmF) vs None (descriptive proportion meta-analysis)
Water samples with fluoride concentration above the acceptable range · Artificially fluoridated public water supply in Brazilian cities (water samples under external control) · Region: Northeast Brazil
External control of fluoridation in the public water supplies of Brazilian cities as a strategy against… (2021)
Prevalence 0.2NRUngraded
Dental plaque assessment (plaque score/index) vs None (descriptive prevalence review)
Dental plaque levels · Children in the United Arab Emirates (Ajman, Sharjah)
Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021)
Hashim et al. (Ajman, 5-6-year-olds) reported a mean plaque score of 0.67; higher snack consumption was associated with higher plaque (adjusted difference 0.13, 95% CI 0.02-0.24) and brushing >=twice daily with lower…NRUngraded
Fluoride concentration relative to the acceptable range (electrometric ion-selective electrode measurement; acceptable range mostly 0.6-0.8 ppmF) vs None (descriptive proportion meta-analysis)
Water samples with fluoride concentration outside the acceptable range · Artificially fluoridated public water supply in Brazilian cities (water samples under external control) · Region: Northeast Brazil
External control of fluoridation in the public water supplies of Brazilian cities as a strategy against… (2021)
Prevalence 81.1 [65.3, 92.9]NRUngraded
Fluoride concentration relative to the acceptable range (electrometric ion-selective electrode measurement; acceptable range mostly 0.6-0.8 ppmF) vs None (descriptive proportion meta-analysis)
Water samples with fluoride concentration below the acceptable range · Artificially fluoridated public water supply in Brazilian cities (water samples under external control) · Region: Southeast Brazil
External control of fluoridation in the public water supplies of Brazilian cities as a strategy against… (2021)
Prevalence 24.6NRUngraded