Ameloblastic fibro-odontoma: case report

Cintia Gollo Piva,Daniela Cristina Miyagaki,Isadora Rinaldi,Ferdinando De Conto,João Paulo De Carli,Maria Salete Linden

doi:10.1590/1981-863720170002000133222

Cintia Gollo Piva, Daniela Cristina Miyagaki + Show 4 more

Open Access

https://doi.org/10.1590/1981-863720170002000133222

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Abstract

ABSTRACT The ameloblastic fibro-odontoma is a benign, mixed, asymptomatic and rare odontogenic tumor that can easily be confused radiographically and histologically with other diseases. Usually it affects a population between the first and second decades of life, is more frequent in the mandible and shows predilection for males. This lesion, characterized by dental agenesis at the tumor site, has no predilection for anatomical region; however, an increase of intraoral volume may cause mild facial asymmetry. It shows slow but expansive growth, and is a well-defined radiolucent lesion, usually unilocular, with radiopacity inside. Normally surgical removal is conservative and the prognosis is favorable. This article reports a case of ameloblastic fibro-odontoma treated by surgical removal and follow-up of two years. The aim of this work was to study the ameloblastic fibro-odontoma in its entirety, seeking to inform clinicians about the best diagnostic and treatment methods for this type lesion.

Highlights

The ameloblastic fibro-odontoma (AFO) is an uncommon, mixed odontogenic tumor that represents from 1 to 3% of all the odontogenic tumors[1,2,3,4,5] and could be confused with various lesions
It is of significant importance due to its potential for growth. This benign tumor has been defined by the World Health Organization (WHO) as a neoplasm composed of odontogenic epithelial proliferation on a stroma of ectomesenchymal cellular tissue that presents variable degrees of inductive interchanges with the formation of dentin and enamel matrix
Buchner et al.[7], in their research showed that AFO has a discrete predilection for the male gender[4,8], some studies, and the WHO affirm that there is no predilection for gender and localization[5,9,10]

Summary

Introduction

The ameloblastic fibro-odontoma (AFO) is an uncommon, mixed odontogenic tumor that represents from 1 to 3% of all the odontogenic tumors[1,2,3,4,5] and could be confused with various lesions. It is of significant importance due to its potential for growth. This benign tumor has been defined by the World Health Organization (WHO) as a neoplasm composed of odontogenic epithelial proliferation on a stroma of ectomesenchymal cellular tissue that presents variable degrees of inductive interchanges with the formation of dentin and enamel matrix. Buchner et al.[7], in their research showed that AFO has a discrete predilection for the male gender[4,8], some studies, and the WHO affirm that there is no predilection for gender and localization[5,9,10]

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