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ITALIAN JOURNAL OF MAXILLOFACIAL SURGERY
A Journal on Maxillofacial Surgery
Official Journal of the Italian Society of Maxillofacial Surgery
Rivista Italiana di Chirurgia Maxillo-Facciale 2004 August-December;15(2-3):55-8
Ossifying fibromas of the oral cavity. Report of a clinical series
Maremonti P. 1, Pederneschi N. 1, Galliani E. 1, Foschini M. P. 2
1 Operative Unit of Maxillofacial Surgery “Bellaria” Hospital of Bologna, Bologna, Italy
2 Department of Pathology “Bellaria” Hospital of Bologna, Bologna, Italy
Aim. Ossifying fibroma (OF) is a fibro-osseous lesion, can be localized into the facial bones as central form, or in the oral mucosa classified in 1982 by Gardner as peripheral ossifying fibroma.
Methods. The Authors report a series of 7 cases of central OF observed at Operative Unit of Maxillofacial surgery of the “Bellaria” Hospital of Bologna between 1993 and 2002.
Results. Elements such as age and sex predilection, the location of the site, the clinical-radiological aspect, the treatment performed and the recurrence rate have been considered. The age of the patients ranged between 10 and 56 years with an average age of 34.4 years. The sex ratio was in favor of female patients; there were 71% women (n= 5) and 29% men (n= 2). The most affected site of the central form was the mandible in 5 cases and upper maxillary in 2 cases. The size varied from 1 to 3 cm. Clinically the intraosseous forms were silent, detected only by occasional ortopanthomography. Therapy of central form of OF is surgical with an excellent prognosis and recurrence after removal seldom is encountered.
Conclusion. OF are quite uncommon and when diagnosed, they require a radical surgical treatment. Diagnosis is difficult because they connect with much other pathologies because of the scarcity of peculiar clinical and radiographic aspect. For this reason, a careful pre-operating study is necessary.