dentin

noun
den·tin | \ ˈden-tᵊn \
variants: or dentine \ˈden-ˌtēn, 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

Examples of dentin in a Sentence

Recent Examples on the Web

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 2018 Dentists try to avoid applying the concentrated product on or near the dentin. 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 2018 The thinner the enamel, the more likely the yellowish dentin shows through. Jill U. Adams, Washington Post, "Here’s what it takes to whiten teeth," 28 Apr. 2018 The research shows the drugs can coax stem cells within the dental pulp — the soft material deep within teeth that’s filled with nerves and blood vessels — into regrowing enough bony tissue (dentin) to fill the cavity. David Cox /, NBC News, "The next revolution in dental care is about to begin," 15 Jan. 2018 Arany has found that shining laser light directly on the remaining pulp can stimulate stem cells in the pulp to produce new dentin. David Cox /, NBC News, "The next revolution in dental care is about to begin," 15 Jan. 2018

These 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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First Known Use of dentin

circa 1845, in the meaning defined above

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Time Traveler for dentin

The first known use of dentin was circa 1845

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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 \

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

More from Merriam-Webster on dentin

Britannica.com: Encyclopedia article about dentin

Comments on dentin

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