A recent study from King's College London suggests that keratin, a protein found in hair, skin, and wool, could play a significant role in advancing oral care. Researchers have discovered that keratin-based toothpaste could not only protect but also repair damaged teeth, potentially offering a sustainable alternative to conventional dental treatments.
The study highlights that keratin can effectively rebuild tooth enamel and prevent early decay. When keratin interacts with minerals in saliva, it forms a protective coating that mimics the natural composition of enamel. This is particularly important since tooth enamel, unlike other bodily tissues, cannot regenerate once lost.
Everyday activities such as consuming acidic beverages and inadequate dental hygiene can lead to enamel erosion, which can cause tooth sensitivity and discomfort. While fluoride toothpaste can slow this process, the keratin formulation has been shown to prevent damage entirely in laboratory settings. It creates a dense barrier over teeth, blocking nerve channels that contribute to sensitivity, thus providing both protection and relief.
The researchers propose that keratin-based treatments could be available in two formats: a daily-use toothpaste and a professional gel applied by dentists. They anticipate that these products could be accessible to consumers within two to three years.
This keratin application marks a notable advancement in regenerative dentistry, as it aims to rebuild the tooth's protective layer rather than merely providing temporary fixes. Furthermore, the use of keratin, sourced from biological waste, addresses environmental concerns linked to conventional dental materials.
The findings signal a potential shift towards more sustainable and effective dental care, leveraging biotechnology to enhance oral health using natural materials.