Dentin

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Related to intertubular dentin: interglobular dentin, peritubular dentin

dentine

, dentin
the calcified tissue surrounding the pulp cavity of a tooth and comprising the bulk of the tooth
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Dentin

 

a variety of tooth tissue that makes up the principal mass of the tooth and is also found in placoid scale.

In contrast to other types of bone, the principal matter of dentin does not contain cavities with cells but is penetrated with tubules, in which are located processes called odonto-blasts (Tomes’ fibers), which are on the periphery of the basic matter. This matter consists of a network of collagen fibers, which form a more compact layer around the tubules and an interfibral amorphous substance. The dentin of the teeth of an adult human being contains about 28 percent organic matter, about 64 percent inorganic matter, and about 8 percent water. A variety of dentin is substitute dentin, or vasodentin; it is usually in the teeth and scales of fish. Its basic matter is penetrated with blood capillaries and contains cellular elements; there are no tubules.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

dentin

[′dent·ən]
(histology)
A bonelike tissue composing the bulk of a vertebrate tooth; consists of 70% inorganic materials and 30% water and organic matter.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Sakoolnamarka8 et al demonstrated that dentinal surfaces etched with 35% phosphoric acid following carisolv treatment led to porous irregular intertubular dentin. He suggested that this difference in morphology from that of the dentin acid etched without carisolv treatment would probably be the result of high PH (11) of carisolv and the sodium hypochlorite in gel would have caused some change to the dentin, especially collagen.
The erosion process can lead to the removal of dentinal plugs and organic intertubular dentin, resulting in an increase in tubule diameter and collagen exposure.
In G1 (control) the dentinal surface was totally covered by the smear layer, preventing the identification of peri- and intertubular dentin as well as the opening of the dentinal tubules (Figure 1).
The formation of the hybrid layer, by the impregnation of resin ingredients into the demineralized intertubular dentin with subsequent polymerization, is thought to create an adequate bond between resin and dentin.