Also known as "trench mouth"
Often abbreviated as<unk> 
Some literature equates as the same as Vincent's angina, and other literature suggests<unk>  and Vincent's angina are different
Severe gingival disease that may spread to local soft tissue and bone
Must distinguish from Herpes gingivostomatitis
Herpes has more systemic signs, less bleeding, lack of interdental papilla involvement
Bacteria involved: anaerobic fusobacterium and Borellia spirochete, Treponema, Selenomonas, Prevotella
Vincent's angina is sometimes confused with<unk> , but the former is tonsillitis and pharyngitis, and the latter involves the gums
Herpes has more systemic signs, less bleeding, lack of interdental papilla involvement
Immunosuppression, especially HIV
Poor oral hygiene/nutrition/sleep
Stress
ETOH/tobacco use
Age<21
Caucasians
malaria/measles/parasites
Acute necrotizing ulcerative gingivitis
Dental fracture
Traumatic iritis
Dental subluxation
Herpes gingivostomatitis
Dental avulsion
Aphthous stomatitis
Bleeding dental socket