Good oral hygiene is essential for healthy teeth and gums. It also helps to prevent bad breath. The right toothpaste can play a critical role in oral health, but it can be difficult to know what ...

NBC Select independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. Zoe Malin Reporter You shouldn’t experience tooth pain ...

Hydroxyapatite (HAP) toothpaste is a dental product that contains manufactured calcium phosphate. Calcium and phosphate are minerals that form 95% of tooth enamel and 70% of bones. NASA developed HAP ...