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Medical Term:


Pronunciation: per'e-o-don-ti'tis


  1. Inflammation of the periodontium.
  2. A chronic inflammatory disease of the periodontium occurring in response to bacterial plaque on the adjacent teeth; characterized by gingivitis, destruction of the alveolar bone and periodontal ligament, apical migration of the epithelial attachment resulting in the formation of periodontal pockets, and ultimately loosening and exfoliation of the teeth.

[periodontium + G. -itis, inflammation]

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