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CASE REPORT
Year : 2016  |  Volume : 28  |  Issue : 4  |  Page : 420-423

Unicystic ameloblastoma of mandible: Nondentigerous variant – A rare case report


1 Department of Oral Medicine and Radiology, Sri Venkata Sai Institute of Dental Sciences, Mahabubnagar, Telangana, India
2 Department of Oral and Maxillofacial Surgery, Sri Venkata Sai Institute of Dental Sciences, Mahabubnagar, Telangana, India
3 Department of Oral and Maxillofacial Pathology, Sri Venkata Sai Institute of Dental Sciences, Mahabubnagar, Telangana, India

Correspondence Address:
Dr. Swapna Tipirisety
Department of Oral Medicine and Radiology, Sri Venkata Sai Institute of Dental Sciences, Appannapally, Mahabubnagar, Telangana - 509 002
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-1363.200644

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Ameloblastomas are benign epithelial odontogenic tumors. The World Health Organization (2005) classified ameloblastomas into solid/multicystic, extraosseous/peripheral, desmoplastic and unicystic types. Unicystic ameloblastoma (UA) is a less frequently occurring tumor and accounts for 10 to 15% of all the intraosseous ameloblastomas. Ninety percent of the UAs are found in the mandible with predominance towards molar-ramus region. Approximately 50–80% of UAs are associated with impacted tooth (dentigerous variant). This case report is an effort to bring forth a case of UA in a 35-year-old female who presented with an asymptomatic swelling involving the right and left parasymphsis region through the midline, which is uncommon for UA and is not associated with an impacted tooth (nondentigerous variant). The lesion was confirmed by histopathological evaluation, treated by complete enucleation and curettage with extraction of teeth number 31 to 35 and 41 to 45, followed by chemical cauterization with 5% Carnoy's solution, and rehabilitated with fixed partial denture after 7 months.


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