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 ...

Standing in front of the mirror and maneuvering a thin floss thread between your teeth isn’t pleasant. But flossing is an important part of any oral hygiene routine — it removes plaque ...

But when some bacteria mix with mucus and other tiny particles, a sticky, colorless film called plaque forms on our teeth. Regular brushing and flossing usually removes plaque, but any plaque left ...