actinomyces Nocardia
Actinomyces & Nocardia
Actinomyces ■ A israelii A naeslundii Gram positive sulfur granule; Related to decay tooth and peridentitis
Actinomyces ◼ A.israelii, A.naeslundii; ◼ Gram positive; sulfur granule; ◼ Related to decay tooth and peridentitis
ACTINOMYCES Anaerobic, filamentous, gram positive bacillus Exhibit true branching Mykes"-Greek for " fungus Thought by early microbiologist to be fungi because of: Ky Morphology Disease they cause 关
ACTINOMYCES Anaerobic, filamentous, gram positive bacillus • Exhibit true branching ◼ “Mykes” – Greek for “fungus” ◼ Thought by early microbiologist to be fungi because of: • Morphology • Disease they cause
Clinical specimens: Actinomycosis-pus
Clinical specimens:Actinomycosis-pus
ACTINOMYCOSIS Not highly virulent (Opportunist Component of Oral Flora Periodontal pockets a Dental plaque Tonsilar crypts Take advantage of injury to penetrate mucosal barriers Coincident infection Trauma irgerv
ACTINOMYCOSIS Not highly virulent (Opportunist) • Component of Oral Flora ◼ Periodontal pockets ◼ Dental plaque ◼ Tonsilar crypts • Take advantage of injury to penetrate mucosal barriers ◼ Coincident infection ◼ Trauma ◼ Surgery