dentin


dentin

noun Dentistry.

  1. the hard, calcareous tissue, similar to but denser than bone, that forms the major portion of a tooth, surrounds the pulp cavity, and is situated beneath the enamel and cementum.
n.

also dentine, the hard substance in teeth, 1836, from comb. form of Latin dens (genitive dentis) “tooth” (see tooth) + chemical suffix -in (2).

n.

  1. The main, calcareous part of a tooth, beneath the enamel and surrounding the pulp chamber and root canals.

  1. The main bony part of a tooth beneath the enamel, surrounding the pulp chamber and root canals.

The hard, bony material beneath the enamel of a tooth. The bulk of a tooth is made up of dentin.

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