Dentists are struggling to counter RFK Jr. on fluoride
Red states are banning the tooth-protecting mineral, while blue state skeptics aren't budging.
Danny Nguyen
“Fluoride’s predominant benefit to teeth comes from topical contact with the outside of the teeth, not from ingestion,” an HHS spokesperson told POLITICO. “There is no need, therefore, to ingest fluoride.”
The impact the retreat from fluoridation has on oral health will show whether dentists are right, that a cavity crisis will follow, or whether Kennedy’s view, that Americans can get the fluoride they need in toothpaste and mouthwash, will bear out.
The Centers for Disease Control and Prevention, an agency within HHS, has held out fluoridation as one of the 10 greatest public health achievements of the 20th century, citing data that it reduces tooth decay by as much as 70 percent in children and tooth loss by as much as 60 percent in adults.
But Kennedy nonetheless believes the case to remove fluoride is urgent because of evidence that it can curtail children’s brain development. It’s a position bolstered by a report from the National Institutes of Environmental Health Sciences during the Biden administration and an Obama-appointed federal judge last year — though the levels of fluoride they examined were higher than what Americans consume.
Dentists see it otherwise.
“This is revving up an anti-science narrative,” said Brett Kessler, the president of the American Dental Association, the country’s leading dentists’ group. “There are ways to get fluoride in toothpaste, some of the foods we eat, some of the drinks we drink, topical fluoride mouthwashes. … But without fluoridated water you’re already behind the eight ball because you’ve got vulnerable teeth.”
Dentists’ case
Opposition to adding the cavity-fighting mineral to water — based on a mishmash of reasoning around the purity of the drinking supply, concerns about side effects and conspiracy theories — has long been a cause of some on the left.Before Utah and Florida’s moves, residents of Hawaii, New Jersey and Oregon were the least likely to have fluoride in their water, according to a review of 2022 data by the United Health Foundation, a philanthropy started by the insurer UnitedHealth Group to promote better public health.
(The same study found 79 percent of Floridians and 43 percent of Utahns drank fluoridated water.)
Health researchers have mostly found that low levels of fluoride, including the amounts found in drinking water systems across the U.S., are safe and can help fortify teeth against decay and other ailments.
Many communities began to fluoridate their water in the mid-1900s at the behest of voters and their local and state governments. In 1962, HHS started providing guidance on fluoride in drinking water, and the Environmental Protection Agency invoked the Safe Drinking Water Act years later to enforce these standards, though fluoridation is still done at states’ discretion.