There is a growing body of research behind hydroxyapatite (HA), a biocompatible safe and effective alternative to fluoride in dental care. This course provides a comprehensive overview of hydroxyapatite’s role in cavity prevention, tooth sensitivity reduction, and teeth whitening. Participants will explore the history behind hydroxyapatite and its introduction in oral care products, gain insight into particle size variations and safety considerations, understand its mechanism of action and practical use in both clinical and at home settings.