Calculus is, in short, hardened plaque. You're probably familiar with plaque, the sticky film that can make your teeth feel ...

Dental tartar, also known as dental calculus, is a hard buildup of bacterial plaque that forms on the teeth and can lead to ...

While dentists can easily remove tartar buildup these days, scientists are thankful that people in the Edo Period (1603-1867) had no such modern dental plan. A team of researchers has determined ...