While the debate around fluoride continues , many are considering switching their fluoride toothpastes to alternatives that include the popular ingredient nano-hydroxyapatite. "As ingredient labels shift toward cleaner, fluoride-free formulas, one compound is taking center stage in modern oral care: nano-hydroxyapatite," explains Dr. Pia Lieb , DDS, cosmetic dentist and clinical assistant professor emerita at NYU College of Dentistry.

If you're thinking about trying a nano-hydroxyapatite toothpaste but aren't sure if it's right for you, we spoke to dentists to break down the benefits, potential risks and whether this ingredient actually works.

What is nano-hydroxyapatite?

"Nano-hydroxyapatite is a synthetic calcium phosphate compound that's used in some oral care products, includ

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