"Hydroxyapatite is natural. It is a type of calcium that makes up bones and teeth," says Lai. "Nano-hydroxyapatite relates to ...

Add Yahoo as a preferred source to see more of our stories on Google. If you're thinking about trying a nano-hydroxyapatite toothpaste but aren't sure if it's right for you, we spoke to dentists to ...

An unlikely ingredient is behind a new toothpastes researchers say can help restore teeth. A research team from Queen Mary University of London developed a very fast dissolving "bioactive" glass that ...