"Hydroxyapatite is natural. It is a type of calcium that makes up bones and teeth," says Lai. "Nano-hydroxyapatite relates to ...

Fluoride, a naturally occuring mineral found in many foods and water, has been a primary ingredient in toothpaste since the 1970s. Despite being widely regarded as safe by the Food and Drug ...

For decades, fluoride has been at the heart of modern dental care, recommended by dentists and added to everything from toothpaste to drinking water. But in recent years, a growing wave of ...

We don’t always have the answers, but we have some people on speed dial who do — which is why we present our FYI series, where we have experts explain if lip balm is actually bad, how often you should ...

Fluoride has been the standard ingredient in anti-cavity toothpaste — and it’s probably a part of your current oral care routine — but modern oral care brands are bringing attention to a ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." BRUSHING YOUR TEETH is probably something you do on autopilot. You brush at least every morning and ...

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Hydrofluorosilicic acid is an additive used to fluoridate community water supplies in the U.S. Like many chemicals, it is caustic in its concentrated form. But it never reaches consumers, and the ...

There have been a lot of questions about fluoride since the Health and Human Services Secretary Robert F. Kennedy called for it to be removed from the water supply. But is fluoride actually good or ...

A mother and her toddler drink tap water. Water fluoridation began in 1945 in cities like Grand Rapids, Michigan, paired with control cities to measure its impact. Over the next decade, studies ...