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AnatomyHead and neckTeethCementum
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AnatomyHead and neckTeethCementum

Cementum

Author: Christina Loukopoulou, MSc • Reviewer: Dimitrios Mytilinaios, MD, PhD
Last reviewed: March 06, 2024
Reading time: 1 minute

Recommended video: Anatomy of the tooth [15:13]
Structure and surrounding structures of a tooth seen in cross section.
Cementum
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Synonyms: Cement, Caementum

Cementum is one of three specialized tissues making up teeth. It is a thin, pale-yellowish layer of calcified connective tissue covering the dentin of the root of the teeth.

Cementum is generally softer and more porous than dentin and is easily removed by abrasion when the root surface is exposed in the oral cavity.

It is avascular in nature and can be categorized into cellular and acellular cementum by inclusion of specialized cells called cementocytes.

The cementum acts as an insertion site for periodontal ligament fibers and functions to anchor the teeth into their sockets.

Terminology English: Cementum

Latin: Cementum
Definition Cementum is a thin, pale-yellowish layer of calcified connective tissue covering the dentin of the root of the teeth.
Function Cementum functions to anchor the teeth into their sockets.

Want to learn more about the anatomy of teeth? You can do so by working your way through the following study unit:

Anatomy of the tooth Explore study unit

Sources

All content published on Kenhub is reviewed by medical and anatomy experts. The information we provide is grounded on academic literature and peer-reviewed research. Kenhub does not provide medical advice. You can learn more about our content creation and review standards by reading our content quality guidelines.
  • Moore, K. L., Dalley, A. F. and Agur, A. (2017). Clinically oriented anatomy (8th ed.). Lippincott Williams and Wilkins.
  • Ross, M. H. Pawlina, W. (2011). Histology : a text and atlas : with correlated cell and molecular biology (6th ed.). Wolters Kluwer/Lippincott Williams & Wilkins Health.
  • Standring, S. (2016). Gray's Anatomy (41st ed.). Edinburgh: Elsevier Churchill Livingstone.

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