dentin

noun

den·​tin ˈden-tᵊn How to pronounce dentin (audio)
variants or dentine
: a calcareous material similar to but harder and denser than bone that composes the principal mass of a tooth see tooth illustration
dentinal adjective

Examples of dentin in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
As the softest layer of your teeth, pulp requires the protection of dentin and enamel to maintain tooth health. Anna Giorgi, Verywell Health, 31 July 2024 The first is to secrete an additional layer of dentin to delay the approaching attack. Samer Zaky, Discover Magazine, 10 May 2024 Its lifelong support is provided by the more resilient infrastructure – the dentin. Samer Zaky, Discover Magazine, 10 May 2024 The chemical compounds are all incorporated into dentin, which is the mineralized tissue that makes up the interior portion of teeth. Laura Baisas, Popular Science, 3 May 2023 See all Example Sentences for dentin 

Word History

First Known Use

circa 1845, in the meaning defined above

Time Traveler
The first known use of dentin was circa 1845

Dictionary Entries Near dentin

Cite this Entry

“Dentin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dentin. Accessed 10 Nov. 2024.

Kids Definition

dentin

noun
den·​tin ˈdent-ᵊn How to pronounce dentin (audio)
variants or dentine
: a calcium-containing material that is similar to bone but harder and that makes up the principal mass of a tooth

Medical Definition

dentin

noun
den·​tin ˈdent-ᵊn How to pronounce dentin (audio)
variants or dentine
: 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

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