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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers from King's College London report that keratin can protect against tooth decay and repair early-stage enamel damage ...

There are scores of toothpastes available on the shelves, but dentists say there are right and wrong options.

Scientists in the UK have found keratin, a protein in hair, can rebuild enamel and repair early tooth decay. The discovery could lead to keratin-based toothpaste or dental gels within two to three ...