| peritubular dentin | An electron-dense layer of dentin observed adjacent to the odontoblastic process. (05 Mar 2000) |
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| primary dentin | Dentin which forms until the root is completed. (05 Mar 2000) |
| hereditary opalescent dentin | Synonym: dentinogenesis imperfecta. Synonym: opalescent dentin. (05 Mar 2000) |
| sclerotic dentin | Dentin characterised by calcification of the dentinal tubules as a result of injury or normal aging. Synonym: transparent dentin. (05 Mar 2000) |
| secondary dentin | Dentin formed by normal pulp function after root end formation is complete. (05 Mar 2000) |
| hypersensitive dentin | Exposed dentin at the cervical portion of a tooth, painful to touch, sweetness, or temperature changes. (05 Mar 2000) |
| dentin | <dentistry> The calcified tissue below the enamel, enclosing the cavity of the tooth containing the pulp chamber and root canals. (08 Jan 1998) |
| dentin-bonding agents | Cements that act through infiltration and polymerization within the dentinal matrix and are used for dental restoration. They can be adhesive resins themselves, adhesion-promoting monomers, or polymerization initiators that act in concert with other agents to form a dentin-bonding system. (12 Dec 1998) |
| dentin bridge | A deposit of reparative dentin or other calcific substances which forms across and reseals exposed tooth pulp tissue. (05 Mar 2000) |
| dentin dysplasia | An apparently hereditary disorder of dentin formation, marked by a normal appearance of coronal dentin associated with pulpal obliteration, faulty root formation, and a tendency for peripheral lesions without obvious cause. (12 Dec 1998) |
| dentin globule | Calcospherites formed by calcification or mineralization of the dentin occurring in globular areas. (05 Mar 2000) |
| dentin permeability | The property of dentin that permits passage of light, heat, cold, and chemical substances. It does not include penetration by microorganisms. (12 Dec 1998) |
| dentin, secondary | Dentin formed and deposited in response to a normal or slightly abnormal stimulus, after the complete formation of the tooth. (12 Dec 1998) |
| interglobular dentin | Imperfectly calcified matrix of dentin situated between the calcified globules near the dentinal periphery. (05 Mar 2000) |
| irregular dentin | Morphologically irregular dentin formed in response to an irritant. Synonym: irregular dentin, irritation dentin, reparative dentin. (05 Mar 2000) |