Odontogenic tumors are heterogeneous group of lesions with diverse histopathological and clinical features. Ameloblastic fibro-dentinoma. The ameloblastic fibro-odontoma (AFO) is a rare mixed odontogenic tumor. .. It is also distinguishable from ameloblastic fibro-dentinoma not only because it. Peripheral ameloblastic fibro-dentinoma (AFD) is an extremely rare benign mixed odontogenic tumor. From a review of the English-language literature, to the.

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We report a rare case of gingival AFO with the classic microscopic features of its intraosseous counterpart.

Case Reports in Dentistry

National Center denttinoma Biotechnology DentinomzU. An analysis of the interrelationship of the mixed odontogenic tumors — ameloblastic fibroma, ameloblastic fibroodontoma, and the odontomas. Kannan Venugopal was responsible for writing the article. On higher-power magnification, the odontogenic epithelial component consisted of multiple follicles and islands of tall columnar to cuboidal ameloblast-like cells with reversed nuclear polarity.

Footnotes Source of Support: This article has been cited by other articles in PMC. View at Google Scholar G. A microscopic and ultrastructural study of the epithelial-connective tissue interface. How to cite this article: J Can Dent Assoc.

The flap was repositioned in the same position and suturing was done with vicryl 3. She could not remember that her daughter had undergone any trauma. Mixed Odontogenic Tumours and Odontomas.

Ameloblastic fibro-odontoma

Occasionally, it may be associated with unerupted tooth. Histological typing of odontogenic tumors.

Juxtaepithelial hyalinization was evident in few areas. A case presentation and histological comparison with ameloblastic dentinoms. The swelling extended from the corner of the mouth to the angle of the mandible [ Figure 1 ]. Ameloblastic fibrodentinoma of mandible. J Bangladesh Coll Phys Surg ; The patient amleoblastic an unclear history of exfoliation of the posterior tooth.


Apex of radiolucency between the roots of lateral incisor and the fi rst premolar and the base extending to the cervical third of the root of the impacted canine Click here to view. The patient is kept under regular follow-up. Odontogenic tumors are a heterogeneous group of diseases ranging from hamartomas to benign ffibro malignant neoplasms with metastatic potential.

Swelling involving the buccal vestibule extending from the region of the right maxillary central incisor to the fi rst premolar Click here to view. Majority of the articles state that the associated tooth bud has to be removed in order to avoid recurrence. Giraddi and Vipul Garg. Support Center Support Center.

Zone of hyalinization and formation of dentinoid at the periphery of the odontogenic epithelial islands Click here to view. Int J Surg Case Rep. Most of these benign lesions on complete excision heal well, but they need long-term follow-up. It is important to note that in the revised WHO classification of odontogenic tumors, AFD and dentinoma are used synonymously.

Intraorally, ill-defined swelling was extending from 81 to 85 with obliteration of buccal vestibule Click here to view. Others regard them as sequential stages beginning from AF at one extreme and amloblastic odontoma at the other extreme with AFD and AFO in the intermediate stages.

Ameloblastic fibro-odontoma, Odontome, Posterior maxillary swelling mixed odontogenic tumours. Ameloblastic fibroodontomas are regarded as possible precursor lesions. AFO can be differentiated from AF by the radiological appearance as well as through histological evaluation. Metastasis is not common and fatal cases have usually been associated with uncontrollable local infiltration following numerous recurrence.


There was grade II mobility with respect to 44 and 45, while the 46, 47 and 48 were absent. More female cases are reported than male ones. J Bangaladesh Coll Phys Surg. Some of the stromal cells, leukocytes, and endothelial cells were also positive for CD44 staining. Ameloblastic fibro-odontoma AFO predominantly occurs in the fjbro bones of children and young adults.

CD31 staining appeared in the endothelial cells of the tumor stroma, especially in the area adjacent to the enamel epithelium. View at Google Scholar Ameloblastkc. Recurrence of the benign lesion raises the risk towards malignant transformation therefore a radical surgery should be planned inspite of enucleation or curettage. The possibility of a mixed rare tumour should be kept in mind by the clinician where they deal with the swellings of posterior maxilla in children.

The patient is kept under regular follow-up in order to rule out any recurrence.

Aggressive atypical ameloblastic fibrodentinoma: Report of a case

Discussion Ameloblastic fibro-odontoma AFO is an uncommon mixed odontogenic tumour. There is a male preponderance, with a male to female ratio of 2. Ameloblastic fibro-odontoma AFO is a quite rare, mixed odontogenic tumour generally seen in the early stages of life.

Hematoxylin and eosin staining for the gingival lesion.

Ameloblastic fibrodentinoma involving anterior maxilla: Thus, the formation of AFO might be amelobllastic on enamel matrix production, which is one of the most important features of the lesion.