J Korean Dent Sci.  2022 Dec;15(2):172-180. 10.5856/JKDS.2022.15.2.172.

Management of Ameloblastic Fibro-odontoma Associated with Impacted Tooth in the Posterior Mandible: Case Reports

  • 1Department of Pediatric Dentistry, School of Dentistry, Chosun University, Gwangju, Korea


Ameloblastic fibro-odontoma (AFO) is a rare odontogenic tumor, which occurs in young children before the age of 20 years. Radiologically, it is a well-defined radiolucent lesion containing radiopaque masses. Histopathologically, AFO is composed of odontogenic epithelium in a primitive-appearing connective tissue and hard tissue consisting of enamel and dentin. It is commonly found in the mandibular posterior region. AFO may be asymptomatic and is often associated with delayed tooth eruption. As it shows similar characteristics clinically and radiologically to odontoma, differential diagnosis through histopathological examination is important. Treatment of AFO is conservative enucleation, and teeth enclosed or associated with the lesion may require extraction. In this report, 2 young patients who visited our clinic with a chief complaint of delayed eruption were diagnosed as AFO with radiological and histopathological examination. After the surgery, the healing status was found to be favorable, and no evidence of recurrence was observed.


Ameloblastic fibro-odontoma; Conservative enucleation; Differential diagnosis; Histopathological examination; Odontoma
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