Degradation or wasting of the PERIODONTIUM tissues that may involve the gum (GINGIVA), the alveolar bone (ALVEOLAR PROCESS), the DENTAL CEMENTUM, or the PERIODONTAL LIGAMENT.

Synonyms: Gingivo Osseous Atrophy, Gingivo-Osseous Atrophies, Atrophy of Periodontium, Gingivo-Osseous Atrophy, Periodontium Atrophies, Periodontal Atrophies, Periodontal Atrophy, Periodontium Atrophy