Periodontium



The peridontium is the supporting apparatus of the tooth. It is the tissue that surrounds and fixes the tooth in its position. It also serves as a barrier - it prevents the entry of bacteria, remains of food and other harmful noxes.

The periodontium is formed by the following structures: Periodontology deals with diseases of the periodontium.
 * gingiva (gum),
 * cementum (dental cement),
 * alveolar bone (bone bed),
 * periodoncium fibres,
 * sulcus gingivalis (gum groove).

Related articles

 * Anatomy of the periodontium
 * Damage to hard tissues and periodontium
 * Periodontal disease
 * Sharpey's fibres