dentin

noun

den·​tin ˈden-tᵊn 

variants or dentine

ˈden-ˌtēn 

den-ˈ

: a calcareous material similar to but harder and denser than bone that composes the principal mass of a tooth see tooth illustration

dentinal

den-ˈtē-nᵊl  ˈden-tə-nəl 

adjective

Examples of dentin in a Sentence

Recent Examples on the Web

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

Word History

First Known Use

circa 1845, in the meaning defined above

Kids Definition

dentin

noun

den·​tin ˈdent-ᵊn 

variants or dentine

ˈden-ˌtēn  den-ˈtēn 

: a calcium-containing material that is similar to bone but harder and that makes up the principal mass of a tooth

dentinal

den-ˈtēn-ᵊl  ˈdent-ən-ᵊl 

adjective

Medical Definition

dentin

noun

den·​tin ˈdent-ᵊn 

variants or dentine

ˈden-ˌtēn  den-ˈtēn 

: 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

dentinal

ˈdent-ᵊn-əl; ˈden-ˌtēn-ᵊl  den-ˈ 

adjective