AMELOBLASTIC FIBRO DENTINOMA PDF

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Abstract Ameloblastic fibrodentinoma is a rare benign mixed odontogenic neoplasm usually occurring in the first two decades of life. It is more common in males and the most common site of occurrence is in the mandibular premolar molar area. This report presents a case of ameloblastic fibrodentinoma in a year-old boy in the maxillary anterior region, a less common site for the occurrence of ameloblastic fibrodentinoma. A year-old boy presented with a midline diastema in 11 and 21 region and a swelling in the palatal aspect of 11 and

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Ann Stomatol Roma. Published online Dec 8. Sotgiu Corresponding author: Dott. Stefano Mummolo, Ospedale S. Summary The clinical case of an unusual ameloblastic fibro-odontoma AFO was reported. The patient showed a swelling in the oral cavity and radiographic feature of a radiolucent lesion at left second premolar maxillary site. Histologic examination made diagnosis of AFO.

AFO is a rare mixed odontogenic tumor with similarities to the ameloblastic fibroma AF and ameloblastic dentinoma. The nature and the relationships between mixed odontogenic tumours and related lesions are still controversial. Moreover is not clear if these lesions are separate pathologies or if they are different development stages of the same pathology. Keywords: ameloblastic fibro-odontoma AFO , odontogenic tumor Introduction The ameloblastic fibro-odontoma AFO is a rare, slow-growing, odontogenic tumour.

The lesion has histologic feature and biologic behavior similar to the ameloblastic fibroma, but in the AFO one or more cellular foci continue differentiation process and produce enamel and dentin. This lesion is often an incidental radiographic finding. Radiographically, the tumor appear well circumscribed, round-to-ovoid radiolucency, surrounded by a thin sclerotic margin 1. According to the recent WHO classification of Odontogenic Tumors published in , AFO is a benign tumor without invasive growth that belongs to the group of lesions with odontogenic epithelium with odontogenic ectomesenchyme, with or without hard tissue formation 2.

There is considerable debate in literature regarding the relationship between AFO and other mixed odontogenic tumors.

Some authors assert that AFO is a mature ameloblastic fibroma whereas other ones think it could be a precursor of odontoma 3. Focused literature revealed that neoplasm occur predominantly in children and young adults. An equivalent incidence in both upper and lower jaws and no gender predilection were reported 4.

Clinically, the size of the tumor shows marked variations, ranging from lesions detectable only microscopically, to giant tumors consisting of extensive calcified masses. Radiographs usually show a well-defined radiolucent area containing various amounts of radiopaque material of irregular size and form 2 , 5.

The aim of the current study was to report a clinical case of AFO and the long-term results after surgical treatment. Neither dental history reported local trauma or infection at lesion site, nor medical history revealed remarkable systemic diseases.

Panoramic radiography showed a rounded, well-defined, radiolucent lesion at upper left second bicuspid and first molar edentulous sites. It contained a radiopaque mass of apparently calcified material in proximity of the root of adjacent first bicuspid Fig.

CT scan showed a 23x17mm osteolytic lesion in the left body of maxilla with lobulated and well-demarcated margins Fig. The borders of the lesion were in part radiopaque, similar to cortical bone Fig. Radiological findings were consistent with a benign bone tumour.

Clinical examination revealed a circumscribed swelling in the vestibule on the left side of the maxilla, with an unaffected mucosa.

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Ameloblastic fibro-odontoma

E-mail: moc. This article has been cited by other articles in PMC. Abstract Ameloblastic fibroma and related lesions constitute a group of lesions, which range in biologic behaviour from true neoplasms to hamartomas. This group of lesions is also sometimes referred to as mixed odontogenic tumors and usually includes ameloblastic fibroma, ameloblastic fibrodentinoma and ameloblastic fibro-odontoma. Despite numerous efforts however, there is still considerable confusion concerning the nature and interrelationship of these mixed odontogenic tumors and related lesions. The malignant counterpart of these lesions namely aameloblastic fibrosarcoma, ameloblastic dentinosarcoma and ameloblastic odontosarcoma respectively are said to arise secondarily in their benign counterpart or de novo.

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Ameloblastic fibro-odontoma: a case report

Surej Kumar: moc. Khalam: moc. This article has been cited by other articles in PMC. Frequent signs of this tumour are asymptomatic swelling, delayed tooth eruption and mixed radiological appearance within well-defined borders. Management of the lesion includes enucleation of the tumour and long-term follow-up. OPG showed unerupted tooth bud of upper right second molar and was being prevented from eruption by the odontome.

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