[Compound odontoma as a cause of chronic maxillary sinusitis]. / Odontoma compuesto como causa de sinusitis maxilar crónica.

Sinusitis of dental origin is a relatively frequent entity, but the presence of an odontoma in the sinus as a source of this pathology is exceptional. Here we present a case of a young patient who presented chronic maxillary sinusitis over 2 years, originating in an odontoma located in the sinus drainage area.