Calculus is, in short, hardened plaque. You're probably familiar with plaque, the sticky film that can make your teeth feel fuzzy. Plaque contains bacteria that make acid, which can eat away at ...

Plaque is a clear, sticky coating of bacteria that sticks to your teeth. Scientists call plaque a biofilm, clusters of ...

for some of the unsightly deposits that we see on our teeth, and, of course, it's linked to some more serious, systemic diseases, as well. So, here we can see plaque and calculus deposits ...