dentine

dentine
The ivory forming the mass of the tooth. About 20% is organic matrix, mostly collagen, with some elastin and a small amount of mucopolysaccharide; the inorganic fraction (70%) is mainly hydroxyapatite, with some carbonate, magnesium, and fluoride. The dentinum is traversed by a large number of fine tubules running from the pulp cavity outward; within the tubules are processes from the odontoblasts. SYN: dentinum [TA], dentin, ebur dentis, substantia eburnea.

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n.
a hard tissue that forms the bulk of a tooth. The dentine of the crown is covered by enamel and that of the root by cementum. The dentine is permeated by fine tubules, which near the centre of the tooth contain cellular processes from the pulp. Exposed dentine is sensitive to touch, heat, and cold.

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den·tine (denґtēn) dentin.

Medical dictionary. 2011.

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Look at other dictionaries:

  • dentine — [ dɑ̃tin ] n. f. • 1855; de dent ♦ Anat. Ivoire des dents. ● dentine nom féminin (anglais dentine) Tissu calcifié blanchâtre qui recouvre la pulpe de la dent. dentine n. f. BIOCHIM élément constitutif de la dent, d une consistance proche de celle …   Encyclopédie Universelle

  • Dentine — Den tine (d[e^]n t[i^]n), n. [Cf. F. dentine.] (Anat.) The dense calcified substance of which teeth are largely composed. It contains less animal matter than bone, and in the teeth of man is situated beneath the enamel. [1913 Webster] …   The Collaborative International Dictionary of English

  • dentine — (US dentin) ► NOUN ▪ hard dense bony tissue forming the bulk of a tooth …   English terms dictionary

  • Dentine — La dentine appelée aussi ivoire est la substance majoritaire constituant la dent et plus généralement l organe dentaire. Elle est composée à 70 % d’hydroxyapatite, à 20 % de matières organiques et à 10 % d’eau. Elle est recouverte… …   Wikipédia en Français

  • dentine — ▪ anatomy also spelled  Dentin,         in anatomy, the yellowish tissue that makes up the bulk of all teeth. It is harder than bone but softer than enamel and consists mainly of apatite crystals of calcium and phosphate. In humans, other mammals …   Universalium

  • dentine — n. a hard tissue that forms the bulk of a tooth. The dentine of the crown is covered by enamel and that of the root by cementum. The dentine is permeated by fine tubules, which near the centre of the tooth contain cellular processes from the pulp …   The new mediacal dictionary

  • dentine — dentinas statusas T sritis chemija apibrėžtis Dantų emalio baltymas. atitikmenys: angl. dentin; dentine rus. дентин …   Chemijos terminų aiškinamasis žodynas

  • Dentine hypersensitivity — is sensation felt when the nerves inside the dentin of the teeth are exposed to the environment. The sensation can range from irritation all the way to intense, shooting pain. This sensitivity can be caused by several factors, including wear,… …   Wikipedia

  • Dentine Peak — (71°35′S 163°44′E / 71.583°S 163.733°E / 71.583; 163.733) is the highest peak (2,210 m) in the northeast portion of Molar Massif, Bowers Mountains. Named from association with Mol …   Wikipedia

  • Dentine bonding agents — Dentin bonding agents are resin materials used to make a dental composite filling material adhere to bond to both dentin and enamel. Bonding agents are often methacrylates with some volatile carrier and solvent like acetone. They also contain… …   Wikipedia

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