56 страниц. 2012 год. LAP Lambert Academic Publishing A.a is a major putative periodontapathic bacterium. This organism is associated with localized juvenile periodontitis. Aggregatibacter actinomycetemcomitans is a very important periodontopathogen which has one of the main roles in the etiology of different forms of periodontal diseases. Considering that it is found in dental plaque and periodontal pockets, its occurrence should be prevented. This is achieved by educating patients and motivating them to maintain proper oral hygiene, and if the disease occurs, excellent results could be achieved with classic treatment and the application of antibiotics.