December 11, 2020

Ameloblastic fibro-odontoma (AFO) is a benign, slow growing, expansile epithelial odontogenic tumor with odontogenic mesenchyme. Looking for online definition of ameloblastic odontoma in the Medical Dictionary? ameloblastic odontoma explanation free. What is ameloblastic odontoma?. Riddett S.A.A Composite Odontome at a Very Early Age. Brit. Dent. J., 77 (), p. Google Scholar. 2. Kemper J.W., Root to-odontoma. Amer.

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An year-old female presented to our unit with the complaint of a painless swelling on the left side of the lower jaw for the last 3 years that seemed to show a progressive increase in size. Many asymptomatic; discovered upon exploring potential causes of Asymmetric tooth eruption Malposition of erupted teeth Occasional devitalization of adjacent teeth Can become symptomatic due to local infection sinusitis, infected adjacent tooth, exposure of odontoma to oral environment, etc and can present with swelling and pain Size: Indexed in Amdloblastic of Science.

This means that the aforementioned lesions should not be considered as distinct ame,oblastic [ 11 ].

Ameloblastic Odontoma (Odontoameloblastoma) – Holland-Frei Cancer Medicine – NCBI Bookshelf

Postoperative recovery was absolutely uneventful. Get free access to newly published articles. An year-old girl presented to our department on referral from another dentist to have a second opinion about a lesion involving the left mandible. On intraoral examination, a small hard tissue projecting over the posterior alveolus was present with normal surrounding mucosa.


A few authors suggest the ameloblastic fibroma and the ameloblastic fibrodentinoma as its precursors. Privacy Policy Terms of Use. Dentin and enamel were also odongoma. Create a free personal account to download free article PDFs, sign up for alerts, and more. The diagnosis was ameloblastic fibro-odontoma, which is a rare mixed odontogenic tumor, derived amelbolastic epithelial and ectomesenchymal elements that form the dental tissues.

Frequently associated with an unerupted tooth Usually detected on routine radiographs Most commonly located between roots of erupted teeth or osontoma the eruption of tooth Well marginated from surrounding bone May have a thin radiolucent region surrounding opaque mass Radiopaque odobtoma same density as components of adjacent teeth Early stage odontoma may have little calcified matrix, expanding the radiographic differential diagnosis Can occur as a component of combined odontogenic tumor, most commonly Calcifying cystic odontogenic tumor CCOT Multiple odontomas may occur as a component of: Purchase access Subscribe to JN Learning for one year.

Ameloblastic fibroodontomas AFOs are slow-growing, benign tumors developing from the odontogenic epithelium and ectomesenchyme. Excisional biopsy was performed, and microscopic features showed strands and islands of odontogenic epithelium showing peripheral palisading and loosely arranged central ameloblsstic, identical to stellate reticulum, embedded in a myxoid cell-rich stroma resembling the dental papilla.

Conflicts of interest There are no conflicts of interest. Accessed December 31st, The relative arrangement of the soft tissues and the stage of development of the involved tooth are useful criteria for diagnosis.

Case Description An year-old girl presented to our department on referral from another dentist to have a second opinion about a lesion involving the left mandible. On histopathological examination, it was diagnosed as an AFO.


An ameloblastic fibroodontoma AFO is a rare odontogenic tumor of mixed dental tissue origin. AFO susually affects children or young adults, with no specific sex predilection. This lesion usually occurs in people less than 20 years old, and age is thus an important characteristic in the differential diagnosis. Ameloblastic fibroodontoma, complex odontoma, mandible, odontogenic tumor.

AFO is a benign tumor that exhibits the same benign biologic behavior as that of ameloblastic fibroma, showing inductive changes that lead to the formation of both amelohlastic and enamel [ 1 ].

It has been reported in the literature under a variety of names including odontoblastoma, 1 adamantoodontoma, 2 calcified mixed odontogenic tumor, 3 and soft and calcified odontoma. The fixation of the graft was done with Vicryl sutures to prevent any unnecessary hardware fixation or thermal injury to it.

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Can occur in any tooth bearing area Compound odontoma usually occurs in anterior maxilla Complex odontoma usually occurs in posterior mandible. New author database being installed, click here for details. In addition, odontogenic epithelial cells follicles are visualized with a few stellate cells suggestive of AFO.

The clinical examination did not display any sign of pain or swelling in the left mandible. Unknown; trauma, local infection, inheritance have been proposed.