Capnocytophaga gingivalis

Capnocytophaga gingivalis

A gram-negative, microaerophilic, CO2-requiring gliding bacillus, which is found in normal oral flora and an opportunistic pathogen. 
Clinical findings
C gingivalis may cause periodontal disease or, in immune compromised hosts (e.g., post bone marrow transplantation), bacteremia, pyogenic arthritis and pneumonia.