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Maxillary ameloblastic fibroma: a case report.

Daniela Otero Pereira da Costa¹, Adriana Terezinha Neves Novellino Alves, Mônica Diuna Calasans-Maia

¹Department of Pathology, Fluminense Federal University, Niterói, RJ, Brazil.

Brazilian Dental Journal

|May 4, 2011

Summary

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Ameloblastic fibroma, a rare benign odontogenic tumor, was diagnosed in an 8-year-old boy with an unerupted molar. Surgical removal led to spontaneous eruption and no recurrence, highlighting diagnostic importance.

Area of Science:

Oral Pathology
Odontogenic Tumors
Pediatric Dentistry

Background:

Ameloblastic fibroma is a rare benign odontogenic tumor with neoplastic epithelial and ectomesenchymal components.
Early diagnosis and management are crucial for preserving dental structures and function.

Observation:

An 8-year-old boy presented with a failed eruption of the maxillary left first molar.
Radiographic examination revealed a well-circumscribed radiolucency associated with the unerupted permanent molar.
Histopathological analysis confirmed the diagnosis of ameloblastic fibroma.

Findings:

Complete enucleation of the ameloblastic fibroma was performed.
The lesion exhibited characteristic microscopic features of odontogenic epithelium and a dental papilla-like stroma.

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No recurrence was noted during a 24-month follow-up period.

Implications:

This case underscores the significance of differential diagnosis for intraosseous oral lesions.
The successful management of ameloblastic fibroma in this atypical location highlights conservative treatment approaches.
Spontaneous eruption of the permanent molar post-excision suggests favorable tissue regeneration and orthodontic alignment potential.