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Search review questions

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)

3 questions in 1 reviews · cluster CL0274

current versions
No studies 1 · 33.3%Ungraded 0 · 0%Very low 0 · 0%Low 2 · 66.7%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
Higher water fluoride concentration (fluoridated water; natural or artificial) vs Lower water fluoride concentration (concurrent control)
Dental fluorosis of aesthetic concern (Dean's Index, TFI, TSIF) · Populations of all ages (mostly children) exposed to drinking water with differing fluoride concentrations · Cross-sectional
Water fluoridation for the prevention of dental caries (2015) · Cochrane
OR 2.90 [2.05, 4.10]40 studies · 59630 participantsLow
Higher water fluoride concentration (fluoridated water; natural or artificial) vs Lower water fluoride concentration (concurrent control)
Dental fluorosis of any level (all severities) · Populations of all ages (mostly children) exposed to drinking water with differing fluoride concentrations · Cross-sectional
Water fluoridation for the prevention of dental caries (2015) · Cochrane
OR 3.60 [2.86, 4.53]90 studies · 180530 participantsLow
Cessation of water fluoridation (fluoride removed from the water supply) vs Continued fluoridated water
Adverse effects · People of all ages in a previously fluoridated community (Maupome 2001: children with generally low caries experience)
Water fluoridation for the prevention of dental caries (2015) · Cochrane
No evidence to determine whether cessation of a water fluoridation programme is associated with any harms.0 studiesNo studies