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Periodontal Ligament

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Periodontal ligament

The periodontal ligament (PL) is comprised of taut collagen fibre bundles (called Sharpey’s fibres where they are inserted in cementum and alveolar bone) which are anchored to the cementum of the tooth and the alveolar bone.

There are three distinct categories of periodontal fibres - gingival, trans-septal and alveolodental.

There are blood vessels within the periodontal ligament which are evenly distributed. There are also nerves that are capable of transmitting heat, cold, pain and pressure in addition to proprioception in some species.

 

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