Treatment of ameloblastic fibro-odontoma on a 3-year-old child: case report

  • Azevedo de Souza S
  • Mandarino S
  • Ribeiro da Silva J
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Abstract

Ameloblastic fibro-odontoma (AFO) is a rare benign odontogenic tumor with characteristics of ameloblastic fibroma and enamel/dentin components. This study reports the case of a 3-year-old boy with swelling and delayed tooth eruption in the posterior mandibular region. Orthopantomography revealed a radiopaque mass in the left mandible with cortical bone infiltration. The diagnosis was confirmed through incisional biopsy. Treatment involved marginal resection and curettage, preserving the lingual cortical. Surgical planning was made using 3D biomodels. Osteosynthesis was performed using an L-shaped plate from the 1.5 system. At a four-year follow-up, the patient showed normal facial growth, satisfactory healing, and no signs of recurrence, highlighting conservative marginal resection as an effective approach to preserve mandibular contour, support facial growth, reduce recurrence risk and multiple surgical interventions, such as orthognathic surgeries. Keywords: Odontogenic Cysts; Margins of Excision; Surgery, Oral.  O fibro-odontoma ameloblastico (AFO) é um tumor odontogênico benigno raro com características de fibroma ameloblastico e componentes de esmalte/dentina. Este estudo relata o caso de um menino de 3 anos com edema e atraso na erupção dentária na região posterior da mandíbula. Exames de imagem revelaram uma massa radiopaca na mandíbula esquerda com infiltração na cortical óssea. O diagnóstico foi confirmado por biópsia incisional. O tratamento incluiu ressecção marginal e curetagem, preservando a cortical lingual. Planejamento cirúrgico utilizou biomodelos 3D, e osteossíntese foi realizada com uma placa em ‘L’ do sistema 1.5. Em quatro anos de acompanhamento, demonstrou crescimento facial normal, aspecto cicatricial satisfatório e ausência de recidiva. Por fim, destacando a ressecção marginal conservadora como uma opção de tratamento para preservar contorno mandibular, crescimento facial, reduzir riscos de recorrência e múltiplas intervenções. Palavras-chave: Cistos Odontogênicos; Margens de Excisão; Cirurgia Maxilofacial.

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APA

Azevedo de Souza, S. V., Mandarino, S. de C. A., & Ribeiro da Silva, J. (2025). Treatment of ameloblastic fibro-odontoma on a 3-year-old child: case report. Revista Fluminense de Odontologia, 2(70), 33–40. https://doi.org/10.22409/ijosd.v2i70.65647

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