According to the 2005 who classification of odontogenic tumors, it is defined as a benign tumor that resembles ameloblastic fibroma but contains enamel and dentin. The only real treatment for complex odontoma is to have surgery to remove them. Odontomas are the most common type of odontogenic tumors. Diverse calcification patterns of ameloblastic fibro. They are usually discovered in radiographs and rarely cause bony expansion or infection. Ameloblastic fibroodontoma is a rare, benign, and slowly growing neoplasm of the jaw composed of proliferating odontogenic epithelium in. Large ameloblastic fibroodontoma in a 7yearold girl.
Ameloblastic fibro odontoma afo is a benign, slow growing, expansile epithelial odontogenic tumor with odontogenic. This rare odontogenic lesion typically develops before the age of 20 and has a predilection for the premolar region. It is a neoplasm, meaning it is a mass of abnormal growth of cells or tissue. Introduction the term odontoma was first used in 1967 by paul broca to describe all the odontogenic tumors 1. Computed tomography ct findings were compatible with ameloblastic fibro odontoma afo. Maxillary odontomas are most commonly located in the frontal area, while the mandibular ones are usually located in the molar area. The odontoma is a tumor of malformation in which enamel, dentin, and sometimes cementum are present. Ameloblastic fibro odontoma afo is a rare benign odontogenic tumor of epithelial and ectomesenchymal origin associated with formation of mineralized products of odontogenesis. The most common odontogenic tumor can obstruct the path of erupting teeth most recent who classification of head and neck tumours regards majority of ameloblastic fibro odontomas as developing odontomas rather than a distinct tumor iarc. The characteristic radiologic and histologic features of the entity will be described. The ameloblastic fibroodontoma afo is a rare benign odontogenic defined as a tumour with the general features of ameloblastic fibroma but that also contains enamel and dentin.
It can be defined as a neoplasm composed of proliferating odontogenic epithelium embedded in a cellular ectomesenchymal tissue that resembles dental papilla with. Complex composite odontoma with characteristic histology. Ameloblastic fibroodontoma afo is a quite rare, mixed odontogenic tumour generally seen in the early stages of life. The diagnosis was ameloblastic fibro odontoma, which is a rare mixed odontogenic tumor, derived from epithelial and ectomesenchymal elements that form the dental tissues. Ameloblastic fibroodontoma is generally asymptomatic but may cause swelling and discomfort. Management of ameloblastic fibroodontoma in a 6yearold girl preserving the associated impacted permanent tooth silvia r. A case of ameloblastic fibroodontoma extending maxillary sinus with erupted tooth.
Now odontomas are considered as hamartomas rather than true neoplasms 2. Subdivided into compound odontoma and complex odontoma. It occurs predominantly in children and young adults with no sex predilection, mostly in. The term afo was first used by hooker 1 and had originally been termed ameloblastic odontoma. Odontome in medicine and dentistry was originally used for any tumor andor tumorlike lesion, like neoplastic cyst arising from tooth forming tissues. In young patients there might be difficulties in distinguishing between the ameloblastic fibro odontoma and the complex odontoma. An ameloblastic fibroma is a fibroma of the ameloblastic tissue, that is, an odontogenic tumor arising from the enamel organ or dental lamina.
Peripheral ameloblastic fibroodontoma or peripheral developing complex odontoma. Ameloblastic fibroodontoma afo is a rare benign hybrid odontogenic tumor. Ameloblastic fibroodontoma afo is a tumor, which has the histologic features of ameloblastic fibroma af in conjunction with the presence. Coc may occur in association with other odontogenic tumors, the most common of these is the odontoma. Reibel j, gronbaek ab, poulsen s int j paediatr dent 2011 nov. Ameloblastic fibro odontoma is generally asymptomatic but may cause swelling and discomfort.
Specifically, it is a dental hamartoma, meaning that it is composed of normal dental tissue that has grown in an irregular way. Ameloblastic fibroodontoma of the mandible with normal. Ameloblastic fibroodontoma is an uncommon benign tumor of the jaws that belongs to the group of mixed odontogenic tumors. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Recurrence of ameloblastic fibroodontoma in a child. Start studying oral pathology bone lesions, cysts and tumours. Afo is most common in children and adolescents aged under 20 years, and is usually small. An odontoma, also known as an odontome, is a benign tumour linked to tooth development. Abstract a case of an amelobastic fibroodontoma affecting a 15 yearold girl will be discussed. Odontoma tumor types, diagnosis, histology, treatment.
Ameloblastic fibro odontoma afo is a rare mixed ot with epithelial and mesenchymal components. According to the who classification, it has similar histological features to ameloblastic fibroma, but with inductive changes that lead to. Ameloblastic fibroodontoma afo is a rare mixed odontogenic tumor. Ameloblastic fibroodontoma afo belongs to the family of mixed odontogenic tumors. It is beneficial if the complex odontoma can be discovered and treated early. The opinion that the ameloblastic fibroodontoma represents the growing, active phase towards the mature complex odontoma seems reasonable. The ameloblastic fibro odontoma afo is a rare benign odontogenic defined as a tumour with the general features of ameloblastic fibroma but that also contains enamel and dentin. Otherwise these tumors are asymptomatic and are generally diagnosed on radiographic examination. Complex odontoma definition of complex odontoma by the free dictionary. Ameloblastic fibroodontoma is defined by the world health organization as a neoplasm consisting of odontogenic ectomesenchyme resembling the dental papilla, epithelial strands and nest resembling dental lamina and enamel organ conjunction with the presence of dentine and enamel.
Ameloblastic fibroodontoma definition of ameloblastic. Download fulltext pdf download fulltext pdf download fulltext pdf ameloblastic fibro odontoma. It can be defined as a neoplasm composed of proliferating odontogenic epithelium embedded in a cellular ectomesenchymal tissue that resembles dental papilla with varying. Removing it is a fairly simple extraction because it is made of dental tissue and is a benign tumor.
Ameloblastic fibroodontoma afo is a benign, slow growing, expansile epithelial odontogenic tumor with odontogenic. In young patients there might be difficulties in distinguishing between the ameloblastic fibroodontoma and the complex odontoma. Apr 15, 2011 odontomas constitute about 22% of all odontogenic tumors of the jaws. Sep 22, 2012 ameloblastic fibro odontoma is an uncommon benign tumor of the jaws that belongs to the group of mixed odontogenic tumors. Ameloblastic fibro odontoma afo is a quite rare, mixed odontogenic tumour generally seen in the early stages of life. A case of an amelobastic fibroodontoma affecting a 15 yearold girl will be discussed. Odontomas are the most commonly occurring odontogenic tumors, which are considered by many to be hamartomas rather than neoplasms.
Download fulltext pdf download fulltext pdf download fulltext pdf ameloblastic fibroodontoma. Ameloblastic fibromas contain both of these tissues, and its name is derived from them. In neoplastic cases, it may be labeled an ameloblastic fibrosarcoma in accord with the terminological distinction that reserves the word fibroma for benign tumors and assigns the. This report describes an ameloblastic fibro odontoma in the posterior mandible of a 26yearold woman and discusses the histogenesis and clinical features of the lesion. Odontoma tumor odontogenico benigno mixto ectodermo y mesodermo. Radiographs show a welldefined radiolucent area containing various amounts of radiopaque material of irregular size and form. Clinical and radiological profile of ameloblastic fibro. This report describes an ameloblastic fibroodontoma in the posterior mandible of a 26yearold woman and discusses the histogenesis and clinical features of the lesion. The term afo was first used by hooker and had originally been termed ameloblastic odontoma. Likewise, most afs can be considered true neoplasms, but in some cases, especially those occurring during childhood, they may in fact be the immature stage of an odontoma.
Ameloblastic fibroodontoma should be regarded as hamartomas 10, since some lesions show neoplastic behavior 12, and others show malignant features. As with normal tooth development, odontomas stop growing once mature making. Icd code browser for advanced orthopaedic centre educational site for postgraduate learners. Ameloblastic fibro odontoma afo is a rare benign hybrid odontogenic tumor. Management of the lesion includes enucleation of the tumour and longterm followup. The descriptions of its clinical and radiological features in the literature are not always accurate and sometimes even contradictory.
It is the most common odontogenic tumor, accounting for 67% of all odontogenic tumors. Report of 2 cases article pdf available in journal of dentistry for children chicago, ill. Ameloblastic fibro odontoma is a slow growing, benign, expansile epithelial odontogenic tumour with odontogenic mesenchyme, accounting for 0. As with normal tooth development, odontomas stop growing once mature which makes them benign. Oral pathology bone lesions, cysts and tumours flashcards. Complex odontoma causes, diagnosis, treatment, pictures. The most common odontogenic tumor can obstruct the path of erupting teeth most recent who classification of head and neck tumours regards majority of ameloblastic fibroodontomas as developing odontomas rather than a distinct tumor iarc. Who classification of head and neck tumours, 4th edition, 2017. A case of compound maxillary odontoma and mandibular hypodontia radka cholakova1, ivan chenchev1, svetla jordanova2, diana oncheva2, ljubomir chenchev3 1 department of oral surgery, faculty of dental medicine, medical university plovdiv, bulgaria. Tumors in the head and neck rarely affect children.
It is usually diagnosed between the first and the second decades, with no clear gender predilection. Ameloblastic fibroodontoma afo is defined as a benign odontogenic tumor with slow growing behavior. Evaluation of an ameloblastic fibroodontoma with cone beam. Is transcanine approach with alveolectomy feasible. This paper discusses a case report of a complex odontoma exhibiting all the structural. Diverse calcification patterns of ameloblastic fibroodontoma. Ameloblastic fibro odontoma afo belongs to the family of mixed odontogenic tumors. The coincidence of compound odontoma and root dilaceration is extremely rare, but it has been reported in the literature. The other conditions which may simulate this radiographic appearance are the pindborg tumor, ameloblastic fibroodontoma and adenomatoid odontogenic tumor. Large ameloblastic fibroodontoma in a 7yearold girl with analysis of 108 cases antti kirjavainen 1, veikko tuovinen 1, george k sandor 2 1 department of oral and maxillofacial surgery, jyvaskyla central hospital, jyvaskyla, finland 2 department of oral and maxillofacial surgery, medical research center, oulu university hospital, institute of dentistry, university of oulu, oulu.
Ameloblastic fibroodontoma associated with paresthesia of the chin. There are two general types of odontoma, some are more serious than others. Fibroodontoma definition of fibroodontoma by medical. Ameloblastic fibroodontoma afo is a benign, epithelial odontogenic tumor with odontogenic mesenchyme having the histologic. Frequent signs of this tumour are asymptomatic swelling, delayed tooth eruption and mixed radiological appearance within welldefined borders. Tell a friend about us, add a link to this page, or visit the webmasters page for free fun content. Large ameloblastic fibroodontoma in a 7yearold girl with. This manuscript reports an afo affecting the posterior mandible of a 10yearold boy with detailed clinical, radiographic and histopathological evaluation.
Management of ameloblastic fibroodontoma in a 6yearold. The diagnosis was ameloblastic fibroodontoma, which is a rare mixed odontogenic tumor, derived from epithelial and ectomesenchymal elements that form the dental tissues. This report describes a 47yearold man with a pathologically proved large afo originated from the mandible. Ameloblastic fibro odontoma exhibiting immature connective tissue with islands of odontogenic epithelium and areas with osteodentin. Odontoma tumor types, diagnosis, histology, treatment and. Ameloblastic fibroodontoma has features of ameloblastic fibroma, but in addition they have enamel and dentin deposition. Ameloblastic fibroodontoma afo is a rare mixed odontogenic tumor with epithelial and mesenchymal components. Nov, 2014 ameloblastic fibro odontoma afo is a quite rare, mixed odontogenic tumour generally seen in the early stages of life. It may be either truly neoplastic or merely hamartomatous an odontoma. Ameloblastic fibroodontoma associated with paresthesia of. Ameloblastic fibroodontoma afo is a rare odontogenic tumor of mixed epithelialmesenchymal origin, comprising % of all odontogenic tumors.
Calcifying odontogenic cyst of anterior maxilla with. Ameloblastic fibroodontoma is a rare, mixed, benign, odontogenic tumor of significant prevalence in the mandible, with epithelial and mesenchymal. A rare benign neoplasm arising from toothforming tissues. It occurs in children, adolescents and young adults. Ameloblastic fibroodontoma radiology reference article. Ameloblastic fibro odontoma should be regarded as hamartomas 10, since some lesions show neoplastic behavior 12, and others show malignant features. Evaluation of an ameloblastic fibroodontoma with cone. Calcifying epithelial odontogenic tumors and calcifying odontogenic cysts are rare, benign odontogenic tumors. More complex odontoma are found in males up to age 30.
The occurrence of ameloblastic fibro odontoma afo in the oral region is unusual and accounts for % of all odontogenic tumors. It may inhibit tooth eruption or displace involved teeth, although teeth in the affected area are vital. A diagnostic challenge article pdf available in international journal of dentistry 20103. Ameloblastic fibro odontoma afo is an uncommon, wellencapsulated, slowgrowing, and expansile benign odontogenic lesion. Apr 28, 20 more complex odontoma are found in males up to age 30. Ameloblastic fibro odontoma afo is a rare benign mixed odontogenic tumor that usually arises in the maxilla and mandible. It includes both odontogenic hard and soft tissues. Afo presents mixed radiopaque patterns within the lesion with diverse findings. Ameloblastic fibroodontoma article about ameloblastic. They are broadly classified in to compound odontoma and complex odontoma. The complex odontoma is common for people about the age of 19. Clinical and radiological profile of ameloblastic fibroodontoma.
Icd10 code viewer and searcher stellenbosch university. You can expect to recover rather quickly but in some cases there can be complications. The char acteristic radiologic and histologic features of the entity. The occurrence of ameloblastic fibroodontoma afo in the oral region is unusual and accounts for % of all odontogenic tumors. According to the who classification, it has similar histological features to ameloblastic fibroma, but with inductive changes that lead to the formation of dentin or enamel. Compound odontoma article about compound odontoma by the. Occasionally this tumor becomes large, causing expansion of bone followed by facial asymmetry. The calcifications, if present, will appear scattered radiopaque flakes in the radiograph. Afo presents as a painless swelling in the mandible or maxilla. We report two cases of an exceptional combination of these tumors with either an ameloblastic fibroodontoma or an odontoma. These clinically asymptomatic tumors are classified into complex and compound odontomas. If the mass contains hard dental tissues they are known as odontoma, which are not true neoplasm, but classified as hamartomatous lesions 4 epidemiology and prevalence.
1069 1209 173 1120 1325 1215 725 402 392 439 1290 1340 1066 1187 101 967 256 728 777 862 862 44 983 642 575 879 1057 958 1298 678 808 490 1321 829 146 671 390 794 688