Odontolith - calcareous adjournment on a teeth.

Pathogenesis: bracing on the bases of a teeth of scurf and its impregnation by mineral salts of a saliva and microorganisms; rising of viscosity of a saliva; weakening a self-cleaning of a teeth matters at a mastication. Signs: adjournment at roots of the teeth located near of lead-out ducts of sialadens. In the beginning the odontolith quaggy, weakly painted, in due course becomes dense. The stone under gums of black color, a thin layer covers the naked part of a root of a tooth and arises at an inflammation of edge of a gum. The odontolith supports an inflammation of a gum. Treatment - excision of an odontolith. Relapsing odontoliths are a subject to repeated excision.

Prophylaxis - the use of rigid nutrition, treatment of a sick teeth, disturbances of an exchange.