Dentin

Dentin
Dentin is the hard tissue of the tooth surrounding the central core of nerves and blood vessels (pulp).
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SYN: dentine. [L. dens, tooth]
- hereditary opalescent d. 1. SYN: dentinogenesis imperfecta. 2. SYN: opalescent d..
- hypersensitive d. exposed d., usually at the cervical portion of a tooth, painful to touch, sweetness, or temperature changes.
- interglobular d. imperfectly calcified matrix of d. situated between the calcified globules near the dentinal periphery.
- irregular d., irritation d. SYN: tertiary d..
- opalescent d. d. usually associated with dentinogenesis imperfecta. It gives an unusual opalescent or translucent appearance to the teeth. SYN: hereditary opalescent d. (2).
- peritubular d. an electron-dense layer of d. observed adjacent to the odontoblastic process.
- primary d. d. which forms until the root is completed.
- reparative d. SYN: tertiary d..
- sclerotic d. d. characterized by calcification of the dentinal tubules as a result of injury or normal aging. SYN: transparent d..
- secondary d. d. formed by normal pulp function after root end formation is complete.
- tertiary d. morphologically irregular d. formed in response to an irritant. SYN: irregular d., irritation d., reparative d..
- transparent d. SYN: sclerotic d..
- vascular d. SYN: vasodentin.

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den·tin 'dent-ən or den·tine 'den-.tēn, den-'tēn n a calcareous material similar to bone but harder and denser that composes the principal mass of a tooth, is formed by the odontoblasts of the surface of the dental papilla, and consists of a matrix containing minute parallel tubules which open into the pulp cavity and during life contain processes of the cells of the pulp compare CEMENTUM, ENAMEL
den·tin·al 'dent-ən-əl; 'den-.tēn-əl, den-' adj

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den·tin (denґtin) [L. dens tooth] the hard portion of the tooth surrounding the pulp, covered by enamel on the crown and cementum on the root, which is harder and denser than bone but softer than enamel. Called also dentinum [TA]. Sometimes spelled dentine. dentinal adj

Medical dictionary. 2011.

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Look at other dictionaries:

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  • Dentin — Dentin, Zahnbein, die Hauptmasse der Zähne bildende weiße, sehr feste knochenartige Substanz; besteht zu über 70% aus Hydroxylapatit, einer Calcium Phosphor Verbindung …   Deutsch wörterbuch der biologie

  • dentin — also dentine, the hard substance in teeth, 1836, from comb. form of L. dens (gen. dentis) tooth (see TOOTH (Cf. tooth)) + chemical suffix IN (Cf. in) (2) …   Etymology dictionary

  • dentin — dèntīn m <G dentína> DEFINICIJA anat. zubna kost, osnovno koštano tkivo zuba ETIMOLOGIJA vidi dentalan …   Hrvatski jezični portal

  • dentin — [den′tēn΄, den′tinden′tin] n. [< L dens, TOOTH + INE3] the hard, dense, calcareous tissue forming the body of a tooth, under the enamel and surrounding the pulp canal: see TOOTH: also dentine [den′tēn΄, den′tin] …   English World dictionary

  • Dentin — Parts of a tooth, including dentine Dentine (AE: dentin) is a calcified tissue of the body, and along with enamel, cementum, and pulp is one of the four major components of teeth. Usually, it is covered by enamel on the crown and cementum on the… …   Wikipedia

  • Dentin — Der Aufbau eines Zahns Schnitt durch einen Zahn …   Deutsch Wikipedia

  • Dentin — Den|tin 〈n.; s; unz.〉 1. = Zahnbein 2. harter Stoff in Haifischschuppen [zu lat. dens „Zahn“] * * * Den|tin [lat. dens, Gen.: dentis = Zahn], das; s, e; Syn.: Zahnbein: knochenähnliche, haupts. ↑ Apatite neben Glykoproteinen u. Kollagen… …   Universal-Lexikon

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

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