Application of Keratin Repairs Tooth Enamel

Source https://www.fightaging.org/archives/2025/08/application-of-keratin-repairs-tooth-enamel/

While modern dentistry offers a range of good-enough approaches to damaged teeth, regeneration of lost enamel remains a much desired capability. Here, researchers show that the application of keratin to damaged tooth enamel provokes the formation of an enamel-like replacement structure. This is quite interesting, and simple enough in implementation that it could emerge as a widespread option in the near future.

Scientists discovered that keratin, a protein found in hair, skin and wool, can repair tooth enamel and stop early stages of decay. Keratin forms a dense mineral layer that protects the tooth and seals off exposed nerve channels that cause sensitivity, offering both structural and symptomatic relief. The treatment could be delivered through a toothpaste for daily use or as a professionally applied gel, similar to nail varnish, for …

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