Aggregatibacter actinomycetemcomitans
Synonyms
Actinobacillus actinomycetemcomitans
Haemophilus actinomycetemcomitans
A species of Gram-negative, facultatively anaerobic spherical or rod-shaped bacteria indigenous to dental surfaces. It is associated with PERIODONTITIS; BACTERIAL ENDOCARDITIS; and ACTINOMYCOSIS.