Objectives: To present an unusual case of recurrent ossifying fibroma complicated with osteomyelitis and frontal sinus piocele. Case report: A 50-year-old patient with a previous diagnosis of ossifying fibroma who underwent a surgical procedure for tumor excision in the face 23 years ago. He evolved, about 1 year ago, with the appearance of facial fistulous orifices, with drainage of purulent discharge. The pat...