ameloblastic fibro-odontoma


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ameloblastic fibro-odontoma

a tumor of the jaw that forms dentin and enamel. See also composite odontoma.

ameloblastic fibro-odontoma

A benign, occasionally aggressive tumour of young adults affecting the posterior jaw, which is characterised by a prominent ameloblastoma-like epithelial component.

Imaging
Unilocular or multilocular; well-circumscribed, corticated border; mixed radiolucency/radio-opacity.
 
Management
Simple curettage; recurrences are rare.

DiffDx
Ameloblastic fibro-odontoma has features of ameloblastic fibroma, but in addition they have enamel and dentin deposition.

ameloblastic fibro-odontoma (am´əlōblas´tik fī´brō-ō´dontō´mə),

n an aggressive, generally benign tumor of the oral tissues, most commonly occurring in the posterior mandible. It is generally associated with developing teeth and thus is usually found in children or adolescents.

ameloblastic

pertaining to the formation of dental enamel.

ameloblastic fibro-odontoma
see ameloblastic odontoma (below).
ameloblastic layer
the inner layer of cells of the enamel organ, which forms the enamel prisms of the teeth.
ameloblastic odontoma
resembles ameloblastic fibroma but the tumor contains enamel and dentine rather than only enamel.
References in periodicals archive ?
Ameloblastic Fibro-odontoma in three year old Japanese ox (Masegi et al.
Ameloblastic odontomas can be classified into ameloblastic fibro-odontoma and odonto-ameloblastoma.
In follicular ameloblastomas and ameloblastic fibro-odontoma cases there was focal reactivity to [alpha]SMA around the blood vessels (figure 1 & 2).
Pathologic diagnosis: Benign tumors Diagnosis n (%) Hemangioma 5 (9) Ossifying fibroma 4 (7) Adnexal neoplasm 1 (2) Ameloblastic fibro-odontoma 1 (2) Benign fibrous histiocytoma 1 (2) Blue nevus 1 (2) Compound nevus 1 (2) Epithelioma adenoides cysticum 1 (2) Giant cell granuloma 1 (2) Lymphangioma 1 (2) Neurofibroma 1 (2) Osteochondroma 1 (2) Port wine stain 1 (2) Spitz nevus 1 (2) Xanthogranuloma 1 (2) Total 22 (41) Table 4.
In the present case, the ameloblastic fibro-odontoma are composed of primitive enamel and dentin structure with abundant fibroblast with intermixed stellate cells is in agreement with earlier work (Mahjour and Pear Craft, 2007).
It includes ameloblastoma, odontogenic myxoma, adenomatoid odontogenic tumor, calcifying epithelial odontogenic tumor (Pindborg tumor), calcifying odontogenic cyst (Gorlin cyst), ameloblastic fibroma, ameloblastic fibro-odontoma, compound odontoma, and complex odontoma.