“…However, there have been only a few papers describing ureaplasmas in the oropharynx3-5). Watanabe et al 6,7) isolated the organisms from the washings of the oral cavity of a female patient suffering from serious gingivitis and also from the saliva of patients afflicted with various oral diseases. These results encouraged us to study whether ureaplasmas were a member of the oral microbial flora and whether ureaplasmas were aetiologically associated with any oral diseases.…”