Some signs that you have plaque on your teeth include bad breath, yellow teeth, and bleeding gums. Reduce dental plaque by brushing and flossing twice a day and using a plaque-fighting mouthwash.

El Sidron upper jaw: a dental calculus deposit is visible on the rear molar (right) of this Neandertal. This individual was eating poplar, a source of aspirin, and had also consumed moulded ...

Dentists often emphasize the importance of brushing teeth twice a day to combat dental plaque and its harmful consequences, such as cavities. But what is the precise mechanism by which dental plaque ...