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
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Recent Examples of cementum from the Web
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In a similar vein, a substance called cementum protects your teeth’s roots, which contain the pulpy center that holds blood vessels and nerves.
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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.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cementum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of cementum
New Latin, from Latin caementum
CEMENTUM Defined for Kids
Definition of cementum for Students
: a thin bony layer covering the part of a tooth inside the gum
Medical Dictionary
Illustration of cementum
Learn More about cementum
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See words that rhyme with cementum Britannica.com: Encyclopedia article about cementum
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