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Americans love their bottled water.In 2004, Americans consumed an estimated 26 billion liters of store-bought water, equaling one 8-ounce glass per American each day.Because bottled water tends to be low in fluoride and more Americans now drink less from fluoridated public water sources, dentists have wondered whether some chuldren today might be at greater risk of tooth decay. In the summer issue of Journal of Public Health Dentistry, National Institute of Dental and Craniofacial Research (NIDCR) grantees take a look at this issue using secondary data from the Iowa Fluoride Study, which evaluated fluoride intake, dental fluorosis, and bone development in young children.The researchers determined that children who frequently drank bottled water did have significantly lower fluoride intakes than those who did not.However, they found that less than 10% of their cohort of 413 children frequently drank bottled water, and “no conclusive evidence of an association with increased caries” was found by age 9. The researchers encouraged further research, particularly because their study was not designed to look specifically at this issue.
(Source: NIDCR Science News in Brief, October 23, 2007)
