Definition of dentin in English:

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Pronunciation: /ˈdentēn/
Pronunciation: /denˈtēn/
(also dentine /ˈdenˌtēn/)


Hard, dense, bony tissue forming the bulk of a tooth beneath the enamel.
Example sentences
  • Human teeth are made up of four different types of tissue: pulp, dentin, enamel, and cementum.
  • The bulk of the tooth consists of the bony substance dentine, surrounding the soft inner pulp that contains blood vessels and nerves.
  • Cells from neural crest predominate in tissues that form internal tooth components such as dentin, pulp, and cementum - the bone-like material the forms the root.



Pronunciation: /ˈdentn-əl/
Example sentences
  • Using scanning electron microscopy, researchers uncovered evidence of dentinal tubules, basic structures that exist in almost all teeth, including humans.
  • A single ‘reader’ made the age estimates using counts of dentinal growth layer groups to estimate minimum age.


Mid 19th century: from Latin dens, dent- 'tooth' + -in1.

For editors and proofreaders

Syllabification: den·tin

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