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Article

Effects of Community Water Fluoridation on Dental Caries Disparities in Adolescents

by 1,*, 1, 1 and 2
1
Department of International and Community Oral Health, Tohoku University Graduate School of Dentistry, Sendai 9800872, Miyagi, Japan
2
Department of Health Policy and Management, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7400, USA
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(6), 2020; https://doi.org/10.3390/ijerph17062020
Received: 2 February 2020 / Revised: 12 March 2020 / Accepted: 16 March 2020 / Published: 19 March 2020
(This article belongs to the Special Issue Oral Health Inequalities in the World)
Despite improvements in the prevalence of dental caries, disparities are still observed globally and in the U.S. This study examined whether community water fluoridation (CWF) reduced dental caries disparities in permanent teeth of 10- to 19-year-old schoolchildren in North Carolina. We used cross-sectional data representing K-12 schoolchildren in North Carolina (NC) public schools. A poisson regression model was used to determine whether the association between children’s parental educational attainment and the prevalence of dental caries of children differed by children’s lifetime CWF exposure. We analyzed data on 2075 students. Among the children without any CWF exposure in their life, statistically significant caries disparities by parental educational attainment were observed. Compared to the children of parents with more than high school education, the relative risk for those with a parent with a high school education was 1.16 (95% CI = 1.01, 1.33) and those with less than a high school education was 1.27 (95% CI = 1.02, 1.60). In contrast, these disparities were not observed among children exposed to CWF throughout their lives. Socioeconomic disparities in dental caries were not observed among 10–19-year-old schoolchildren with lifetime CWF exposure. CWF seemed to reduce dental caries disparities. View Full-Text
Keywords: oral health; dental caries; prevention; health disparities; community water fluoridation oral health; dental caries; prevention; health disparities; community water fluoridation
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MDPI and ACS Style

Matsuo, G.; Aida, J.; Osaka, K.; Rozier, R.G. Effects of Community Water Fluoridation on Dental Caries Disparities in Adolescents. Int. J. Environ. Res. Public Health 2020, 17, 2020. https://doi.org/10.3390/ijerph17062020

AMA Style

Matsuo G, Aida J, Osaka K, Rozier RG. Effects of Community Water Fluoridation on Dental Caries Disparities in Adolescents. International Journal of Environmental Research and Public Health. 2020; 17(6):2020. https://doi.org/10.3390/ijerph17062020

Chicago/Turabian Style

Matsuo, Go, Jun Aida, Ken Osaka, and Richard Gary Rozier. 2020. "Effects of Community Water Fluoridation on Dental Caries Disparities in Adolescents" International Journal of Environmental Research and Public Health 17, no. 6: 2020. https://doi.org/10.3390/ijerph17062020

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