Most common odontogenic tumor is an Odontoma. Odontomas are considered to be hamartomas rather than neoplasms. These lesions are composed of tissues native to teeth: enamel, dentin, cementum and pulp tissue.
Odontomas are classified based on their gross and radiographic features into compound (small tooth like structures) or complex (a conglomeration of dentin, enamel and cementum) Clinical symptoms are uncommon, however, an affected patient may present when a permanent tooth or multiple teeth that fail to erupt.
Usually, odontomas can be confidently subclassified based on the Xray appearance. Compound odontomas appear as a collection of small teeth. Complex odontomas appear as a radioopaque mass which may result in a wider differential diagnosis.
Below is a case of a 16 year old male who was referred for removal of his wisdom teeth. Panoramic x ray was consistent with compound odontoma. CT scan was obtained to assess best access point to remove the lesion.
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