Effectiveness of water fluoridation in caries prevention.


Conclusion

Fewer studies have been published recently. More of these have investigated effect at the multi-community, state or even national level. The dmf/DMF index remains the most widely used measure of effect. % CR were lower in recent studies, and the ‘halo’ effect was discussed frequently. Nevertheless, reductions were still substantial. Statistical control for confounding factors is now routine, although the effect on per cent reductions tended to be small. Further thought is needed about the purpose of evaluation and whether measures of effect and study design are appropriate for that purpose.

—–Community Dent Oral Epidemiol. 2012 Oct;40 Suppl 2:55-64. doi: 10.1111/j.1600-0528.2012.00721.x.
Effectiveness of water fluoridation in caries prevention.
Rugg-Gunn AJ, Do L.
Source
Newcastle University, UK. andrew@rugg-gunn.net

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