disease has location periodontal disorder true disorder of periodontium periodontium disease or disorder disease of periodontium MESH:D010510 periodontium disease DOID:3388 disease or disorder of periodontium UMLS:C0031090 An inflammatory process of the gingival tissues and/or periodontal membrane of the teeth, resulting in an abnormally deep gingival sulcus, possibly producing periodontal pockets and loss of alveolar bone support. MEDGEN:10658 SCTID:2556008 ICD9:523.8 MONDO:0002635 periodontal disease periodontal disorder NCIT:C63743 skeletal system disorder periodontium