Community fluoridation – considered one of the top public health success stories of the last century – has been banned in Utah, with a new law taking effect Wednesday.

Utah made national history when it became the first state in the nation to ban the introduction of fluoride in public drinking water systems. That ban in Utah officially took place Wednesday.

With Utah’s first-in-the-nation ban on fluoride in public drinking water set to take effect Wednesday, dentists who treat children and low-income patients say they’re bracing for an influx in tooth decay among the state’s most vulnerable.

Utah became the first state in the US to remove fluoride from its public drinking water. Will others follow suit? CNN’s Meg Tirrell reports.

With Florida set to ban fluoride in public drinking water, health officials in Utah — the first state to impose a similar prohibition — say Floridians without fluoridated water will suffer the most.

Florida lawmakers followed Utah’s example and passed a bill Tuesday banning the addition of fluoride to public drinking water. The bill is awaiting Republican Gov. Ron DeSantis’ signature after passing the Florida House 88-27.

Senator Keefer's proposed bill mirrors similar legislation that recently passed in Utah, which became the first state to ban fluoride from its public drinking water in the U.S. In April, HHS Secretary Robert F. Kennedy Jr. announced the creation of a new task force to review guidance on water fluoridation.

Utah is now officially the first state in the nation to pull fluoride from public drinking water after lawmakers banned it during the most recent legislative session.