- 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.
Also den·tine [den-teen] /ˈdɛn tin/.
Origin of dentin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for dentinal
Under tin, teeth are calcified and saved by the deposit of lime-salts from the contents of the dentinal tubuli.
Placing cohesive gold against the dentinal walls by pounding it to heal a lesion is opposed to natural law.
Word Origin and History for dentinal
Online Etymology Dictionary, © 2010 Douglas Harper
- Of or relating to dentin.
- The main, calcareous part of a tooth, beneath the enamel and surrounding the pulp chamber and root canals.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- The main bony part of a tooth beneath the enamel, surrounding the pulp chamber and root canals.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.