Pathogenesis and Etiology of Periodontal Disease

Describe the following gram negative bacteria associated with periodontal disease. 1.Actinobacillus actinomycetemcomitans (Aa) 2.Bacteroidesforsythus (Bf) Porphyromonas 3.Gingivalis (Pg) 4.Fusobacterium(Fn) nucleatum *the following sources may be helpful with research. http://www.perio.org/resources-products/pdf/28-pathogenesis.pdf http://www.ineedce.com/courses/1419/PDF/BiofilmFormation.pdf