Prevalence of and among patients with periodontal disease attending Dental Clinic, University College Hospital, Ibadan.

Background: Periodontal disease is often caused by bacterial plaque. However, there are indications that some infective agents, including parasites, may play important roles in the pathogenesis of the disease.

Aim: This study aimed at assessing the prevalence of gingivitis and periodontitis, as well as the prevalence of and , in the oral biofilm of individuals with periodontal diseases using polymerase chain reaction.