COMPOUND ODONTOMA PDF

The term is now used to denote leasions that contain all the dental tissues and includes two types, the complex and the compound odontoma.[1] According to the. A case of compound odontomas of the anterior maxilla is discussed. Multiple tooth like structures were discovered upon surgical excision. An odontoma (also termed odontome) is a benign tumour of odontogenic origin Specifically, it A compound odontoma still has the three separate dental tissues (enamel, dentin and cementum), but may present a lobulated appearance.

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New author database being installed, click here for details. Page views in Accessed December 31st, Mixed epithelial and odotoma tumor-like malformation hamartoma composed of dental hard and soft tissues.

Large Complex Odontoma of Mandible in a Young Boy: A Rare and Unusual Case Report

Subdivided into compound odontoma and complex odontoma 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 Vompound Compound odontoma Complex odontoma Ameloblastic fibro-odontoma Peripheral odontoma.

Most common odontogenic tumor Usually diagnosed during the first two decades of life No sex predilection. Can occur in any tooth bearing area Compound odontoma usually occurs in anterior maxilla Complex odontoma usually occurs in posterior mandible. Unknown; trauma, local infection, inheritance have been proposed.

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: Gardner syndrome familial colorectal polyposis: Frequently associated with an unerupted tooth Usually detected on routine radiographs Most commonly located between roots of erupted teeth or impeding the eruption of tooth Well marginated from surrounding bone May have a thin radiolucent region surrounding opaque mass Radiopaque matrix 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: Gardner syndrome familial colorectal polyposis Otodental syndrome Multiple supernumerary teeth similar radiographic appearance can occur as a component of cleidocranial dysostosis or arise in non syndromic setting.

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Images hosted on other servers: Lesion in left side of the mandible.

Compound odontoma and unerupted Well defined multiple radiopacities. Radio opaque lesion surrounded by radiolucent zone.

Pathology Outlines – Odontoma

Recurrence uncommon for isolated sporadic odontoma Remaining teeth in region of odontoma may be affected by the presence of odontoma and require treatment. Peripheral odontomas usually treated by excision Central intraosseous complex and compound odontomas ccompound treated by enucleation and curettage Remaining teeth in region of odontoma may be affected, requiring treatment. Surgical site showing denticles. Histologically similar to the layering of normal tooth in the relation of dentin, enamel matrix and pulp Complex: More disorganized or haphazard arrangement of pulpal tissues, enamel or dentin.

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Malformed tooth developing in area of prior trauma Could be histologically identical to complex odontoma Osteoma Benign neoplasm composed of mature lamellar bone compact, trabecular or both Can also affect craniofacial bones Should not have odontogenic epithelium Ameloblastic fibro-odontoma AFO Has biphasic mesenchymal and odontogenic epithelium “soft tissue” component that is identical to ameloblastic fibroma Also contains a calcifying component composed of enamel and dentin structures Most recent WHO Classification of Head and Neck Tumours regards most cases of AFO as developing odontomas rather than a distinct tumor IARC: Supernumerary teeth Complete well formed teeth Usually in males Can rarely be associated with syndromes such as cleidocranial dysostosis General: Orphanet J Rare Dis ;1: Board review question 1.

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A 15 year old boy is found to have multiple odontomas of the left mandibular body. Upon reviewing his history with the family, he is noted to have had other bone tumors in the past along with multiple epidermal inclusion cysts and GI polyps.

What syndrome is he likely to have? Cowden syndrome Gardner syndrome Gorlin syndrome Peutz Jeghers syndrome. Board review answer 1.

Gardner syndrome, a variant of familial adenomatous polyposis FAPis an autosomal dominant disease characterized by GI polyps, multiple osteomas, skin and soft tissue tumors such as epidermal inclusion cysts and desmoid tumors.

Gorlin syndrome, also known as nevoid basal cell carcinoma syndrome, is associated with basal cell carcinomas, odontogenic keratocysts and fibromas ovarian and heart.

Compound Odontoma

It is caused by PTCH1 mutations. Peutz-Jeghers syndrome is characterized by the development of noncancerous growths called hamartomatous polyps in the GI and an increased risk of developing certain types of cancer.

It is autosomal dominant and caused by STK11 mutations. Odonntoma syndrome is an autosomal dominant multiple hamartoma syndrome with PTEN mutations. There is an increased risk of certain forms of cancer, including breast, thyroid, endometrial and kidney cancers. Home About Us Advertise Amazon.

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