ANATOMY, TOOTH
Anatomic model of an human upper molar (in frontal section). The upper molar, located in the back of the jaw, chews and grinds food; it has for that four cusps. It is inserted in the gum by three roots. A tooth is outwardly composed of two parts: the crown, visible in the oral cavity and covered by the enamel (in white), and the root, implanted in the gum and covered by the cementum (in beige). The tooth has an inner cavity, the pulp cavity, which includes the pulp (in incarnate), a connective tissue that is rich in nerves, and blood and lymphatic vessels. The pulp cavity continues with the root canals (in pale pink) containing vessels and nerves. The surrounding dentin (in ochre) constitutes the main part of the tooth and confers its shape and its rigidity. It is grooved with numerous little canals, the dentinal tubules, containing nerve ends. The dentin is protected against outer attacks by the enamel or the cementum.
Size: 2365px × 3630px
Photo credit: © GOUNOT/3B SCIENTIFIC / BSIP / Alamy / Afripics
License: Licensed
Model Released: No
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