Toothpaste containing hydroxyapatite is available over the counter because it was previously approved for use in preventing ...

Hydroxyapatite (HAP), safe if swallowed, is an ideal fluoride substitute in toothpaste and mouthwash for people of all ages, including young children, the authors wrote. "More studies now show that ...

Toothpaste containing hydroxyapatite is available over the counter because it was previously approved for use in preventing cavities. “That is why we did the test, and it worked,” said Amaechi.