Find a black spot on your tooth? Be safe and get it checked out. While it could be a stain, it might be a sign of something ...

A team of researchers has determined what people of that era consumed, based on the DNA analysis of food remains in tartar, a plaque layer formed on teeth. Not surprising, what they found is not ...

such as surfaces in between teeth or at or below the gum line. These clay-like buildups range in color from white or light yellow to dark brown or black. Tartar tends to be lighter in earlier ...