The pain of tooth decay may be a thing of the past thanks to this new breakthrough from the Queen Mary University of London.

Enamel, located on the outer part of our teeth, is the hardest tissue in the body and enables our teeth to function for a large part of our lifetime despite biting forces, exposure to acidic foods and drinks, and extreme temperatures. This remarkable performance results from its highly organized mineral structure.

However, unlike other tissues of the body, enamel cannot regenerate once it is lost, which can lead to pain and tooth loss. Because these problems affect more than 50% of the world’s population, finding ways to recreate enamel has long been…