Chemical analysis of 2,000-year-old human teeth from northern Vietnam has confirmed that ancient inhabitants deliberately ...

It has long been known that red wine causes teeth to stain. But white wine? A recent study found that drinking white wine can also increase the potential for teeth to take on dark stains. It has long ...

Archaeologists finally crack how ancient Vietnamese achieved a striking cosmetic look seen on 2,000‑year‑old remains.

There’s a big difference between the smile you see in a Colgate add and the one you find on most people, but what many don’t know is that there are certain foods that stain your teeth, causing that ...