2 ms·The article is about tooth enamel, not about a decorative coloured glass coating bonded to metal.by denton-scratch 5y agoThe article is about tooth enamel, not about a decorative coloured glass coating bonded to metal.nabla9 5y agoIt's about new enamel like structure that is impractical for teeth, but may be used in electronics.dang 5y agoOk, we've put some teeth in the title above.