“Hydroxyapatite (HAp) is the main component of enamel and one of the most studied biomaterials in the medical and dental field,” Dr. Jonathan B. Levine, the chief dental officer of Lenny Kravitz’s ...

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 ...