These techniques all target stain particles from food and drink which get trapped in the surface layers of tooth enamel. Toothpastes try to remove them, while hydrogen peroxide bleaches them.

Health experts consider fluoride essential for preventing cavities, yet some states are considering banning it. Here’s what ...

Our teeth are made up of two layers: The enamel - a mineralised tissue and the strongest tissue in your body. Unlike bone, enamel cannot regenerate because it does not contain any living cells ...