Teeth Whitening Glossary Plaque A nasty film of sticky, grungy stuff made from a mixture of food particles, bacteria, and bacterial deposit. It sticks to your teeth due to low hygiene and can be the cause of staining or worse, decay and disease. Old and hardened plaque is known as tartar, or sometimes, as calculus. Source: http://www.glossary-of-terms.net

[Teeth Whitening Homepage]