Research has demonstrated that water-based keratin films derived from wool can restore dental enamel structure and improve mechanical strength in early-stage lesions. This laboratory study explored keratin's potential to guide mineral growth and repair early demineralization damage. Enamel, once damaged, cannot regenerate. The films encouraged the formation of enamel-like minerals, resulting in enhanced hardness and elasticity compared to untreated lesions. Sherif Elsharkawy and colleagues propose that keratin could serve as a sustainable biomaterial for enamel repair and functional regeneration.

Source: Advanced Healthcare Materials