Identified as a constituent of the oral microbiome by Human Oral Microbiome Database.
COGEM released a comprehensive database of pathogenicity assessment of around 2575 bacterial species in 2011. The database ranks the pathogenicity of species on a scale of 1 to 4. Treponema vincentii ranks 2 on this scale: Species that can cause diseases in humans or animals, which are
unlikely to spread in the human population and for which an adequate
prophylaxis or therapy exists