Learning Center

Key Terms

Calculus:
A hardened yellow or brown mineral deposit from unremoved plaque; also called tartar.

Cavity
A hole or weak spot in the tooth surface caused by decay.

Gingivitis
Inflammation of the gums, seen as painless bleeding during brushing and flossing.

Interdental
Between the teeth.

Periodontal
Pertaining to the gums.

Periodontitis
A gum disease that destroys the structures supporting the teeth, including bone.

Plaque
A thin, sticky, colorless film of bacteria that forms on teeth.

Tartar
A hardened yellow or brown mineral deposit from unremoved plaque; also called calculus.