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

A photo of a long‑expired tube of toothpaste—dating all the way back to 1988—has gone viral on Reddit, attracting more than ...

Boka offers flavors ranging from elevated Citrus Mint to the more exotic Vanilla Cardamom, and is sold in stores like Walmart and Target.

Toothpaste isn’t just for your chompers anymore. As it turns out, this medicine cabinet staple is good for much more than preventing cavities, freshening breath, and shining up those pearly whites.

Add Yahoo as a preferred source to see more of our stories on Google. How does purple toothpaste work? It uses color theory’s principle of complementary colors. Complementary colors are shades that ...