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Predictive tool for estimating the potential effect of water fluoridation on dental caries

Foster, GRK; Downer, MC; Lunt, M; Aggarwal, V; Tickle, M; (2009) Predictive tool for estimating the potential effect of water fluoridation on dental caries. COMMUNITY DENT HLTH , 26 (1) 5 - 11. 10.1922/CDH_2352Tickle07.

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Abstract

Objective To provide a tool for public health planners to estimate the potential improvement in dental caries in children that might be expected in a region if its water supply were to be fluoridated. Basic Research Design Recent BASCD (British Association for die Study of Community Dentistry) dental epidemiological data for caries in 5- and 11-year-old children in English primary care trusts in fluoridated and non-fluoridated areas were analysed to estimate absolute and relative improvement in dmft/DMFT and caries-free measures observed in En-land. Where data were sufficient for testing significance this analysis included the effect of different levels of deprivation. Results A table of observed improvements was produced, together with an example of how that table can be used as a tool for estimating the expected improvement in caries in any specific region of England. Observed absolute improvements and 95% confidence intervals were: for 5-year-olds reduction in mean dmft 0.56 (0.38, 0.74) for IMD 12, 0.73 (0.60, 0.85) for IMD 20, and 0.94 (0.76, 1.12) for IMD 30, with 12% (9%, 14%) more children free of caries; for 11-year-olds reduction in mean DMFT 0.12 (0.04, 0.20) for IMD 12, 0.19 (0.13, 0.26) for IMD 20, 0.29 (0.18, 0.40) and for IMD 30, with 8% (5%, 11%) more children free from caries. Conclusions The BASCD data taken together with a deprivation measure are capable of yielding an age-specific, 'intention to treat' model of water fluoridation that can be used to estimate the potential effect on caries levels of a notional new fluoridation scheme in an English region.

Type:Article
Title:Predictive tool for estimating the potential effect of water fluoridation on dental caries
DOI:10.1922/CDH_2352Tickle07
Keywords:Caries prediction, dental caries, deprivation, predictive tool, water fluoridation, 5-YEAR-OLD CHILDREN, COMMUNITY-DENTISTRY, BRITISH-ASSOCIATION, EXPERIENCE, DEPRIVATION, HEALTH
UCL classification:UCL > School of Life and Medical Sciences > Faculty of Medical Sciences > Eastman Dental Institute

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