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What are periodontal ligaments?

The periodontal ligament is a tissue that connects the hard surface of the tooth to the bone that surrounds it. It provides a "cushion" for the tooth and can also help in the repair supporting structures that anchor the tooth.

Jonathan B. Levine, DMD
Prosthodontics
Periodontal ligaments are what connect a tooth to bone. The ligaments extend under the entire gum tissue, spreading over the entire bone as well as the roots of the teeth. Going even deeper, within the ligaments are thousands of tiny fibers that stretch from the bone to the root surface of the tooth, so they not only keep the tooth attached to everything, but they also cushion the teeth and act as kinds of shock absorbers for them. Imagine if your teeth had no "give". Things would be pretty stiff and fragile in your mouth if this fiber network didn't exist.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.