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)
In Brazilian cities using external control, more than half of artificially fluoridated public water supply samples (pooled 56.6%, 95% CI 45.5 to 67.3) had fluoride concentrations outside the acceptable range, with very high heterogeneity (I2=99.5%); ungraded.
3 findings from 1 review
- External control of fluoridation in the public water supplies of Brazilian cities as a strategy against caries: a… 2021 All outcomesPublic water supply / water treatment stations in Brazilian cities (external control of artificial fluoridation)Prevalence 56.6 [45.5, 67.3]12 studiesGRADE not reported
- External control of fluoridation in the public water supplies of Brazilian cities as a strategy against caries: a… 2021 All outcomesPublic water supply / water treatment stations in Brazilian cities (external control of artificial fluoridation) · Region: Southeast BrazilPrevalence 42.4 [30.9, 54.4]Studies not reportedGRADE not reported
- External control of fluoridation in the public water supplies of Brazilian cities as a strategy against caries: a… 2021 All outcomesPublic water supply / water treatment stations in Brazilian cities (external control of artificial fluoridation) · Region: Northeast BrazilPrevalence 81.1 [65.3, 92.9]Studies not reportedGRADE not reported