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cementum

noun

ce·men·tum | \ si-ˈmen-təm

Definition of cementum

: a specialized bony layer of connective tissue covering the dentin of the part of a tooth normally within the gum — see tooth illustration

Recent Examples on the Web

In a similar vein, a substance called cementum protects your teeth’s roots, which contain the pulpy center that holds blood vessels and nerves. — Korin Miller, SELF, "5 Reasons Your Teeth Are So Agonizingly Sensitive," 18 Apr. 2018 Instead, the tooth bases were caked in cementum, a bony material that affixed the teeth to the jaw, and Caldwell says that the teeth appeared to have been dislodged during fossilization. — Michael Greshko, National Geographic, "Famous ‘Four-Legged Snake’ May Really Be Dino-Era Lizard," 2 Nov. 2016

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More Definitions for cementum

cementum

noun

ce·men·tum | \ si-ˈmen-təm

: a thin bony layer covering the part of a tooth inside the gum

cementum

noun

ce·men·tum | \ si-ˈment-əm

: a specialized external bony layer covering the dentin of the part of a tooth normally within the gum

— called also cement

— compare dentin, enamel