STORY: Researchers in London have developed a dental treatment using keratin, a protein found in hair, skin, and wool, that they say can repair damaged tooth enamel. ''Currently enamel, once it's gone ...

Toothpaste made from your own hair may offer a sustainable and clinically effective way to protect and repair damaged teeth. In a new study published today, scientists discovered that keratin, a ...

Dentistry can save your teeth, but it's difficult to know what's happening when you're in the chair. A dentist showed Insider what the process can look like from his point of view. Here's how he fixes ...