I’ve been reading about how “X could repair tooth enamel” for years, including on HN. Nothing ever comes of it. I’ll believe it when something exists out of a l

I’ve been reading about how “X could repair tooth enamel” for years, including on HN. Nothing ever comes of it. I’ll believe it when something exists out of a laboratory and on the market. > The treatment could be delivered through a toothpaste for daily use or as a professionally applied gel Could. In other words, they haven’t even tested if a toothpaste is viable, yet the title is written as if this is a ready-made and proven product.