The hardest substance in the human body, tooth enamel, has a major weakness—it can’t regrow. Science is working to fix that.

Add Yahoo as a preferred source to see more of our stories on Google. New research shows how a protein-based material can guide mineral growth and rebuild worn enamel. (CREDIT: Wikimedia / CC BY-SA ...

Scientists have found that keratin, the protein in hair and skin, can repair and protect tooth enamel. The material forms a mineralized layer that halts decay and restores strength, outperforming ...

A team of scientists in London may have found a way to repair tooth enamel using an ingredient found in an unexpected place: human hair. Researchers at King’s College London experimented with keratin, ...

Daily brushing and flossing are essential for oral hygiene, but some common habits may quietly damage tooth enamel and ...

To prevent enamel loss that results in tooth sensitivity or discoloration, consider getting an enamel toothpaste.

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A cracked tooth or loss of enamel can make you feel vulnerable every time you sip on something cold or bite down a bit hard. Most people learn to live with that sharp pain or the anticipation of more ...

This New Gel Can Rebuild Tooth EnamelJ Studios - Getty Images "Hearst Magazines and AOL may earn commission or revenue on some items through these links." The human body possesses amazing regenerative ...