Calculus is plaque that gets hardened over time and harbors bacteria. It is caused by the continual accumulation of minerals from saliva and becomes firmly attached to the tooth surface. Calculus forms above and below the gum line and can be threatening to the health of gums. Calculus can only be removed with special dental instruments.

Elimination of plaque:

Plaque is a sticky, almost invisible film that forms on the teeth. It is a growing colony of living bacteria, food debris, and saliva. The bacteria produce toxins (poisons) that inflame the gums. This inflammation is the start of periodontal disease!