Abstract
Background: A high recurrence rate of ossifying fibroma (OF) in the jaws of children has been noticed by surgeons. It must be treated properly for children's physical and mental health. Objectives: To evaluate recurrence rate of different surgical methods of OF in the jaws of children. Methods: A retrospective study was carried out for patients below the age of 18 years with ossifying fibroma of the jaws treated in Department of Oral and Maxillofacial surgery, Peking University School and Hospital of Stomatology, China between 1991 and 2016. Patients with complete clinical, pathological, radiological and follow-up data were selected. Recurrence rates of different surgical methods were compared. Findings: 44 patients met the selection criteria comprising of 30 males and 14 females. The age ranged 3–18 years with a medium age of 11 years. 20 cases were located in the mandible and 23 in the maxilla. One was multiple OFs in both jaws. Forty patients were subjected to surgical treatment. Seven cases got curettage, 8 cases got local excision and 25 cases got extended resection. Ten of them relapsed with the recurrence rate of 25%. The recurrence rate of curettage was 71.4% (5/7), and 50% (4/8) for local excision. As for extended resection, it was 4% (1/25). Different jaws were also different, 33.3% (7/21) in maxilla and 15.8% (3/19) in mandible. Conclusions: The recurrence rate of extended resection for OF in the jaw of children was lower than local excision and curettage. OF occurred in maxilla was easier to relapse than in mandible.
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