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Table 1 Bacteria isolated from radicular cysts

From: The predominant bacteria isolated from radicular cysts

Species of bacteria Number of isolates Gram stain
Facultative anaerobes, microaerophiles, and capnophiles   
Streptococcus constellatus (SMG)* 4 Gram ( + )
Streptococcus anginosus (SMG)* 1 Gram ( + )
Streptococcus sanguis 3 Gram ( + )
Streptococcus mitis 1 Gram ( + )
Streptococcus cremoris 1 Gram ( + )
Staphylococcus hominis 1 Gram ( + )
Rothia denticariosa 1 Gram ( + )
Actinomyces viscosus 1 Gram ( + )
Gemella haemolysans 1 Gram ( + )
Total Aerobic Bacteria 14  
Strict anaerobes   
Prevotella buccae 1 Gram ( - )
Prevotella intermedia 1 Gram ( - )
Propionibacterium propionicum 1 Gram ( + )
Bacteroides capillosus 1 Gram ( - )
Actinomyces meyeri 1 Gram ( + )
Peptostreptococcus pevotii 1 Gram ( + )
Fusobacterium nucleatum 1 Gram ( - )
Total Strict Anaerobic Bacteria 7  
  1. *SMG: Streptococcus milleri Group.