Recurrent lung infection due to chronic peri-odontitis.

Association between chronic lung disease and peri-odontal infection has recently been reported. The microbiology of peri-odontal infection and lung infection is almost similar. The most direct means by which the oral infection might influence lung disease is by aspiration of dental plaque bacteria into the lower respiratory tract. In this case report we are presenting a patient who suffered recurrent lung infection. Intra-oral examination revealed the presence of chronic peri-odontitis, which was not treated before. On providing treatment for lung infection in addition to that for peri-odontal infection, there was no recurrence of lung infection.