Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
Cementum is a specialized calcified substance covering the root of a tooth. It plays a crucial role in anchoring the tooth to the surrounding alveolar bone by attaching to the periodontal ligament.
Related terms
Periodontal Ligament: A fibrous connective tissue that anchors the teeth firmly into the jawbone by attaching to the cementum.
Alveolar Bone: The part of the jawbone that contains the sockets of the teeth, providing structural support and stability.
Enamel: The hard, outermost layer of a tooth above the gum line, known for being the hardest substance in the human body, protecting teeth from decay and damage