Jumat, 25 Desember 2009

Structure of permanent teeth

The tooth is a hard anatomical organ, located in the alveoli of the jaws through a special type of joint called gomphosis and in which different structures that comprise it: tooth and alveolar bone cement both united by the periodontal ligament. The tooth is composed of calcium and phosphorus, which give the hardness.

The tooth performs the first stage of digestion and also participates in oral communication.

Basically in the tooth can be recognized two parts, the crown covered with visible tooth enamel and the root is not visible in a healthier mouth.

The teeth, arranged from the center toward the jaws are cutting incisors, canines that tear, premolars and molars to grind grinding.