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 ...

Oral care products containing fluoride-free hydroxyapatite, a natural form of calcium, may effectively reduce dental caries, according to a systematic review published in the Journal of Dentistry.

A former radio presenter who launched a gut-friendly toothpaste after suffering health problems has raised £1.8m to grow his team and expand sales internationally.