Researchers have discovered that keratin, the protein found in hair, can naturally rebuild and protect tooth enamel.

You’ve probably heard the advice to brush your teeth twice a day for optimal oral health, but you might wonder if brushing more frequently could actually whiten your teeth beyond their natural color.

As the hardest tissue in the human body, enamel is not an easy material for engineers to mimic, but doing so could mean big things in materials science and regenerative medicine. Researchers are now ...

Teeth whitening kits, strips, gels, and toothpaste can all be effective — but it's also important to brush and floss regularly for a brighter smile.