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.

Author: Melkis Kijin
Country: Hungary
Language: English (Spanish)
Genre: Career
Published (Last): 16 July 2004
Pages: 56
PDF File Size: 10.98 Mb
ePub File Size: 18.34 Mb
ISBN: 328-4-16736-764-5
Downloads: 80138
Price: Free* [*Free Regsitration Required]
Uploader: Faem

The age range is 2. Aggressive atypical ameloblastic fibrodentinoma: None, Conflict of Interest: A amelobllastic, white, tooth-like substance existed on the facial gingiva of this tooth.

Jyothi Issac was the Pedodontist for the study. This article has been cited by. AFO is normally found in young patients, with no significant gender predilection. A majority of AFO fibroo intraosseous and is associated with unerupted teeth. AFD usually occurs as a slow-growing, asymptomatic swelling in the mandibular posterior region.

Abstract Ameloblastic fibroma and related lesions constitute a group of lesions, which range in biologic behaviour from true neoplasms to hamartomas. Ameloblastic fibro-dentinoma, ameloblastic fibroma, ameloblastic fibro-odontoma, dentinoma, odontogenic tumors. The mass contained calcified ameloblasgic and an enamel-like deposit. Presence of tooth germ elements, e. Ameloblastic fibro-odontosarcoma of the mandible: To receive news and publication updates for Case Reports in Dentistry, enter your email address in the box below.

Both epithelial and fibrous elements may therefore represent those of odontogenic fibroma with or without dentin formation. Clinically, it presents as a painless swelling of the affected area, usually the posterior portion of the maxilla or mandible.

Ameloblastic fibro-odontoma

The flap was repositioned in the same position and suturing was done with vicryl 3. Introduction Ameloblastic fibroma AF and related lesions are defined by the WHO as neoplasms composed of proliferating odontogenic epithelium embedded in a cellular ectomesenchymal tissue that resembles dental papilla and has varying degrees of inductive change and dental hard tissue formation.


Kannan Venugopal were responsible for the manuscript preparation. Histological typing of odontogenic tumors; pp. Sivakumarb and Jyothi Issac c. A three-year-seven-month-old girl was referred to the Pediatric Dentistry Section, Department of Stomatology, National Cheng Kung University Hospital, to have a swelling and erythematous ventinoma on the facial gingiva of the primary maxillary right central incisor evaluated.

The calcified matrix in the tissue sections was also positive for amelogenin staining. She could not remember that her daughter xentinoma undergone any trauma. Excisional biopsy specimen showing ameloblasyic bits of hard and soft-tissue specimen Click here to view. J Bangaladesh Coll Phys Surg. View at Google Scholar A.

If this finding is correct, the mean age of the patients with ameloblastic fibroodontoma which is assumed to differentiate further from AF should have been higher than that of those with AF. The patient gave an unclear history of exfoliation of the posterior tooth. Suvy Manuel in data analysis and Dr. Odontogenic tumors are a heterogeneous group of diseases ranging from hamartomas to benign and malignant neoplasms with metastatic potential.

Sitemap What’s New Feedback Disclaimer.

Aggressive atypical ameloblastic fibrodentinoma: Report of a case

Peripheral extraosseous, soft tissue AF or AFO arising in gingival tissue is even rarer than their intraosseous counterparts [ 4 — 6 ]. Odontogenic Tumors and Allied Lesions. Some of the stromal cells, leukocytes, and endothelial cells were also positive for CD44 staining.

Ameloblastic fibrodentinoma and ameloblastic fibro-odontoma: Conservative excision of the tumor is the treatment of choice. This article has been cited by 1 Ameloblastic fibrodentinoma and ameloblastic fibro-odontoma: Intraorally, ill-defined swelling was extending from 81 to 85 with obliteration of buccal vestibule Click here to view.

In some of the cases previously diagnosed as AFD, dentine matrix or dentinoid tissue is an area of hyalinization around the epithelial component, and some workers have suggested that hyalinized material may not represent dentine formation.


Peterson’s principles of oral and maxillofacial surgery. The dentist performed endodontic treatment for the central incisor because he found caries and speculated that dentinoja gingival swelling had an endodontic origin. Despite numerous efforts however, there is still considerable confusion concerning the nature and interrelationship of these mixed odontogenic tumors and related lesions.

The histological features of AF include odontogenic ectomesenchyme that resembles the dental papilla and strands or islands of odontogenic epithelium that resemble the dental lamina and enamel organ.

Contemp Clin Dent ; 3: It is also distinguishable from ameloblastic fibro-dentinoma not only because it shows dental structures resembling dentine, but also because it contains enamel-like tissues.

Case Reports in Dentistry

Histopathology On gross examination the specimen consisted of a hard tissue mass with a soft tissue attachment. Zone of hyalinization and formation of dentinoid at the periphery ameloblastif the odontogenic epithelial islands Click here to view. The treatment of Amelobalstic fibro odontoma is surgical excision.

Second, there are several indications that amelogenin protein, highly expressed in the odontogenic epithelium of this lesion, is actually a proangiogenic molecule [ 23 ]. If an embedded tooth is involved, the tumor is often closely associated with the crown.

It is divided into two types on the stage of the development, immature and mature type. The orthopantomogram revealed a well-defined radiolucency measuring about 4. J Oral Maxillofac Surg. Others regard them as chronological stages in a continuum beginning from AF at one extreme and odontoma at the other extreme with ameloblastic fibroodontoma as well as AFD in an intermediate stage.