 ##  [Periodontium](/periodontium) 

  ##  [Periodontium](https://health.quantumdictionary.io/periodontium-0) 

  
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**Health &amp; Life Sciences Dictionary**

 
Definition

The collective tissues that support and attach a tooth to the jaw, consisting principally of gingiva, periodontal ligament, cementum, and alveolar bone; together these components maintain tooth position, distribute occlusal loads and preserve the dentoalveolar complex.