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…

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