Source:http://linkedlifedata.com/resource/umls/id/C0017575
MSH: An acute or chronic GINGIVITIS characterized by redness and swelling, NECROSIS extending from the interdental papillae along the gingival margins, PAIN; HEMORRHAGE, necrotic odor, and often a pseudomembrane. The condition may extend to the ORAL MUCOSA; TONGUE; PALATE; or PHARYNX. The etiology is somewhat unclear, but may involve a complex of FUSOBACTERIUM NUCLEATUM along with spirochetes BORRELIA or TREPONEMA.,NCI: A bacterial infectious process affecting the gums. It is characterized by the development of necrotic, ulcerated, and painful lesions with creation of pseudomembranes extending along the gingival margins.