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Comment & Response
December 30, 2019

Association Between Maternal Fluoride Exposure and Child IQ

Author Affiliations
  • 1American Dental Association, Chicago, Illinois
  • 2School of Dentistry, Department of Preventive and Restorative Dental Sciences, University of California, San Francisco, San Francisco, California
  • 3Council on Advocacy for Access and Prevention, American Dental Association
JAMA Pediatr. 2020;174(2):215-216. doi:10.1001/jamapediatrics.2019.5260

To the Editor This letter is in response to the Editorial, “Is Fluoride Potentially Neurotoxic?”,1 published online on August 19, 2019. While stating the position of the US Centers for Disease Control and Prevention in support of water fluoridation (WF), the Editorial mentions some of the opposition arguments that merit addressing.

Water fluoridation is the adjustment of natural fluoride levels in water to safely maximize caries prevention on a population level. Water fluoridation is not considered as medication to treat existing disease but provides disease prevention. Water is safe to drink if it meets regulatory standards, and WF at 0.7 mg/L (ppm) is well within those standards. The courts have ruled that WF is not compulsory because consumers have choices with bottled water and filtration systems.2 Each community provides consent through its voters or elected representatives. Water fluoridation is not administered indiscriminately but is well controlled within a narrow range around the target 0.7 ppm level.3

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