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CHICAGO, January 6, 2025 鈥� The American Dental Association (ADA) remains committed to the oral health benefits of optimally fluoridated water. The recent article in the Journal of the American Medical Association (JAMA) Pediatrics 鈥淔luoride Exposure and Children鈥檚 IQ Scores: A Systematic Review and Meta-Analysis鈥� consists of the metanalysis left out of the National Toxicology Program鈥檚 (NTP) monograph released in August and does not provide any new evidence to warrant changing current community water fluoridation practices.

An accompanying commentary, 鈥淐aution Needed in Interpreting the Evidence Base on Fluoride and IQ,鈥� by University of Iowa dental professor and international expert on fluoride intake, Steven Levy, D.D.S., M.P.H., cautions that the systematic review and meta-analysis, which contend fluoride exposure can lower children鈥檚 IQ levels, are deeply flawed. 鈥淲hile I have serious concerns about biases and other methodological flaws in this meta-analysis, the main takeaway is that it did not find any connection between lower IQ and fluoride intake at the level recommended for community water fluoridation,鈥� Dr. Levy鈥檚 commentary explains. Dr. Levy is also a member of the ADA鈥檚 National Fluoridation Advisory Committee.

鈥淭he public needs to understand that the levels examined in NTP report are from countries with high levels of naturally occurring fluoride that is more than double the amount recommended by the U.S. Public Health Service to optimally fluoridate community water systems and help prevent dental disease,鈥� said Brett Kessler, D.D.S., president of the American Dental Association. 鈥淎 more recent  in which the level of fluoride in water is comparable to that in the U.S. found no measurable effect on cognitive neurodevelopment or IQ scores in children. To prevent dental disease the ADA continues to recommend drinking optimally fluoridated water along with twice daily brushing with fluoride toothpaste and eating a healthy diet, low in added sugars,鈥� said Dr. Kessler.

The ADA鈥檚 National Fluoridation Advisory Committee and other experts concluded the final National Toxicology Program did not adequately address or overcome biases and weaknesses of the studies reviewed as identified from initial NTP draft reports. The report twice failed peer review by the National Academies of Science, Engineering and Medicine (NASEM), required additional scientific review by an NTP Board of Scientific Counselors (BSC), and underwent a significant number of revisions and edits before it was finally released earlier this year.

The final NTP report was also considered in a recent District Court case, and the key takeaway from the District Court ruling is that the final NTP report 鈥渄oes not conclude with any certainty that fluoridated water is injurious to public health,鈥� as stated by District Court Judge Edward Chen.

鈥淎s a science-based organization with health care professionals dedicated to improving the oral and overall health of the public, the ADA welcomes future U.S.-based research and data relevant to this country鈥檚 practice of fluoridating water,鈥� Dr. Kessler states. 鈥淭he ADA has yet to see any peer-reviewed published research that would alter its long-standing position that optimally fluoridated water is beneficial and safe for the oral health of the public.鈥�

For more information on community water fluoridation and ADA advocacy, visit .

About the American Dental Association
The not-for-profit ADA is the nation's largest dental association, representing 159,000 dentist members. The premier source of oral health information, the ADA has advocated for the public's health and promoted the art and science of dentistry since 1859. The ADA's state-of-the-art research facilities develop and test dental products and materials that have advanced the practice of dentistry and made the patient experience more positive. The ADA Seal of Acceptance has long been a valuable and respected guide to consumer dental care products. The , published monthly, is the ADA's flagship publication and the best-read scientific journal in dentistry. For more information about the ADA, visit . For more information on oral health, including prevention, care and treatment of dental disease, visit the ADA's consumer website .

 was founded in 1910 as the Forsyth Dental Infirmary for Children (later, the Forsyth Institute), to provide dental care to the disadvantaged children of Boston. While continuing to serve children in need, yet recognizing the ultimate goal is to prevent dental disease, the Institute in 1915 began to focus on scientific research and is today the world鈥檚 leader in oral health research. In October of 2023, the Institute joined with the American Dental Association to form the ADA Forsyth Institute, a 501(c)(3) entity dedicated to improving people鈥檚 oral and overall health and powering the profession of dentistry through cutting-edge basic research, creative translational science, innovative clinical technologies, and global public health outreach.鈥疌onsistent with the Institute鈥檚 founding mission, the ADA ForsythKids mobile dental program continues to serve children in need.