The Structure and Function of the Gums

Periodontal Tissues:

  • THE PERIODONTIUM is the supporting structure of a tooth. It is the complex of soft and hard tissues that surround the tooth, keep it in place, feed and protect it.
  • GUMS-  the tough pink-colored tissue that covers the bone of the jaw and supports the tooth structure inside the alveolar bone.
  • PERIODONTAL LIGAMENT-  the tissue between the cementum and the alveolar bone. It consists of tough little elastic fibers that keep the tooth attached to the jaw.
  • ALVEOLAR BONE-  the bone of the jaw that keeps the tooth in its place, it feeds and protects it.

The internal tooth structure is common in all types of teeth, but the external teeth parts morphology (shape of tooth crown, number and shape of roots) differs significantly between different teeth types.

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