Arch Craniofac Surg.  2019 Mar;20(1):62-65. 10.7181/acfs.2018.02313.

Incidentally detected odontoma within a dentigerous cyst

Affiliations
  • 1Department of Plastic and Reconstructive Surgery, Chonnam National University Medical School, Gwangju, Korea. pskim@chonnam.ac.kr

Abstract

Odontoma is an asymptomatic slow-growing odontogenic tumor. It is usually found by chance in the maxilla or mandible on radiography, or when it deforms the adjacent teeth. It is commonly found in patients who are 30 years of age or younger. We report our encounter with an odontoma within a dentigerous cyst found incidentally in a 56-year-old man. He presented with abnormal fullness in the right infraorbital area of the cheek. During the evaluation of the mass, we incidentally detected the odontogenic tumor within a dentigerous cyst in the patient's maxilla. Under general anesthesia, complete surgical drainage of the infraorbital cystic mass was performed. Enucleation of the odontogenic tumor and a bone grafting from the iliac bone were also performed. The final diagnosis was odontoma. After 2 years of follow-up, there was no sign of recurrence of the tumor. In case of odontogenic tumors, even in old patients, it is important to suspect an odontoma. When odontoma accompanies a dentigerous cyst, surgical excisional biopsy should be performed to rule out malignancy. In case of a large bony defect after enucleation, autogenous bone grafting is essential for reconstruction.

Keyword

Alveolar bone grafting; Dentigerous cyst; Odontoma; Surgical procedure
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