cementum
noun
ce·men·tum
si-ˈmen-təm 
: a specialized bony layer of connective tissue covering the dentin of the part of a tooth normally within the gum see tooth illustration
Examples of cementum in a Sentence
Recent Examples on the Web
In the years sows are pregnant, their teeth will grow a thick cementum layer from gaining so much weight.
—
Katie Hill, Outdoor Life, 28 Sep. 2023
Meanwhile, Matson’s boasts an extremely high level of accuracy in its cementum annuli analysis work.
—Katie Hill, Outdoor Life, 28 Sep. 2023
An annulus, or dark ring, is formed each winter between the cementum formed in spring and summer growth periods.
—Alan Clemons, Outdoor Life, 18 Mar. 2021
From the moment a tooth emerges from the gum, cementum starts to form annual layers, similar to a tree's rings.
—Jack Guy, CNN, 25 Mar. 2020
The researchers are also working with high-resolution CT scans to develop a non-destructive method of studying cementum.
—Jack Guy, CNN, 25 Mar. 2020
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, 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, 2 Nov. 2016
Katie Hill, Outdoor Life, 28 Sep. 2023
Meanwhile, Matson’s boasts an extremely high level of accuracy in its cementum annuli analysis work.
—Katie Hill, Outdoor Life, 28 Sep. 2023
An annulus, or dark ring, is formed each winter between the cementum formed in spring and summer growth periods.
—Alan Clemons, Outdoor Life, 18 Mar. 2021
From the moment a tooth emerges from the gum, cementum starts to form annual layers, similar to a tree's rings.
—Jack Guy, CNN, 25 Mar. 2020
The researchers are also working with high-resolution CT scans to develop a non-destructive method of studying cementum.
—Jack Guy, CNN, 25 Mar. 2020
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, 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, 2 Nov. 2016
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cementum.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Cementum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cementum. Accessed 23 Apr. 2024.
Copy CitationKids Definition
cementum
noun
ce·men·tum
si-ˈment-əm
: an outside bony layer that covers the part of the tooth normally within the gum
Medical Definition
cementum
noun
ce·men·tum
si-ˈment-əm
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