• 14 SEP 22
    Water fluoridation: effective prevention for tooth decay and a win for the environment, research shows

    Water fluoridation: effective prevention for tooth decay and a win for the environment, research shows

    Trinity College Dublin researchers, collaborating with University College London, have demonstrated for the first time the low environmental footprint of water fluoridation compared to other preventive measures for tooth decay. The study is published in the British Dental Journal.

    Researchers quantified the environmental impact of water fluoridation for an individual five-year-old child over a one-year period and compared this to the traditional use of fluoride varnish and toothbrushing programmes, which take place in selected schools across the UK, and internationally.

    Today, over 35% of the world’s population have access to water fluoridation, with studies showing significant reductions in dental caries. While data on the clinical effectiveness and cost analysis of water fluoridation are available, there have been no data regarding its environmental impact up to now.

    To quantify this impact, the research team performed a life cycle assessment (LCA) by carefully measuring the combined travel, weight and amounts of all products and the processes involved in all three preventive programmes (toothbrushing, fluoride varnish programmes and water fluoridation).

    The results of the study, led by Brett Duane, Associate Professor in Dental Public Health at Trinity College, concluded that water fluoridation had the lowest environmental impact in all categories studied, and had the lowest disability-adjusted life years impact when compared to all other community-level caries prevention programmes. The study also found that water fluoridation gives the greatest return on investment.

    Considering the balance between clinical effectiveness, cost effectiveness and environmental sustainability, researchers believe that water fluoridation should be the preventive intervention of choice.

    From: https://www.sciencedaily.com/releases/2022/08/220829194742.htm

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