dentin
noun
den·tin
| \ ˈden-tᵊn
\
\
variants:
or dentine \ ˈden-ˌtēn
, den-ˈ \
, den-ˈ \
Definition of dentin
: a calcareous material similar to but harder and denser than bone that composes the principal mass of a tooth — see tooth illustration
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Other Words from dentin
dentinal
\ den-ˈtē-nᵊl
, ˈden-tə-nəl
\
adjective
, ˈden-tə-nəl
\
adjective
Examples of dentin in a Sentence
Recent Examples on the Web
According to a case study from the American Academy of Pediatric Dentistry, a compound odontoma is considered a developmental anomaly where tumors made of formed of enamel and dentin are formed. — Doha Madani, NBC News, "Doctors remove 526 'tooth-like structures' from 7-year-old boy's mouth," 1 Aug. 2019 This may eventually compromise the underlying dentin, which is a tissue containing hollow canals called tubules. — Korin Miller, SELF, "5 Reasons Your Teeth Are So Agonizingly Sensitive," 18 Apr. 2018 Like human teeth, the dragonfish’s teeth have a dense inner dentin layer surrounded by an outer enamellike layer. — Helen Santoro, Science | AAAS, "The transparent teeth of this dragonfish evolved for one lethal purpose," 5 June 2019 Relative dentin abrasivity, or RDA, is a guide to measuring abrasiveness in toothpaste. — Laura Daily, The Seattle Times, "How charcoal escaped the grill and ended up in your bathroom," 12 Apr. 2019 The thinner the enamel, the more likely the yellowish dentin shows through. — Jill U. Adams, chicagotribune.com, "The pros and cons of whitening your teeth," 1 May 2018 That allows bacteria and acids to dig into your dentin, the next, softer layer of your teeth. — Korin Miller, SELF, "Is It Actually Possible to Get Rid of Cavities Without Fillings?," 17 Oct. 2018 The thinner the enamel, the more likely the yellowish dentin shows through. — Jill U. Adams, chicagotribune.com, "The pros and cons of whitening your teeth," 1 May 2018 The thinner the enamel, the more likely the yellowish dentin shows through. — Jill U. Adams, chicagotribune.com, "The pros and cons of whitening your teeth," 1 May 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dentin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for dentin
dentin
noun
den·tin
| \ ˈden-tᵊn
\
\
variants:
or dentine \ ˈden-ˌtēn \
Kids Definition of dentin
: a calcium-containing material that is similar to bone but harder and that makes up the main part of a tooth
dentin
noun
den·tin
| \ ˈdent-ᵊn
\
\
variants:
or dentine \ ˈden-ˌtēn
, den-ˈtēn
\
, den-ˈtēn
\
Medical Definition of dentin
: a calcareous material similar to bone but harder and denser that composes the principal mass of a tooth, is formed by the odontoblasts of the surface of the dental papilla, and consists of a matrix containing minute parallel tubules which open into the pulp cavity and during life contain processes of the cells of the pulp — compare cementum, enamel
Other Words from dentin
dentinal
\ ˈdent-ᵊn-əl; ˈden-ˌtēn-ᵊl
, den-ˈ
\
adjective
, den-ˈ
\
adjective