Having plaque on your teeth is a natural result of eating ... Because calculus can be yellow, brown or even black or green, it might make your teeth look stained. Over time, calculus usually ...

Critics say a new, broader definition of high-risk plaque opens the door to more tests, diagnoses, and invasive procedures, steering us down a potentially harmful path.

Find out what your teeth are made of and help fight off nasty bacteria. Use the fluoride tooth paste to "Zap the plaque"! You do not have the correct Flash Player to ...

It’s caused by a build-up of bacterial plaque on the teeth. Some of this is harmless, but some, such as Porphyromonas gingivalis, can damage the gums and cause inflammation. We ask the experts ...