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Abstract

The odontogenic keratocyst (OKC) is a benign pathology that presents characteristics of aggression and local recurrence. The WHO considered it as an odontogenic tumor in 2005, but in the most recent classification in 2017 it was once again considered as an odontogenic developmental cyst. Most of the time it presents a symptomatically, but the patient can report the pain symptomatology. The aim of this article is to report a clinical case of OKC on maxilla describing its characteristics and forms of treatment. Male patient, 15-years-old, referred to the bucomaxillofacial surgery service of Hospital do Oeste/Barreiras/BA complaining of increased volume in the maxillary region, diagnosed as possible cyst on routine panoramic radiography. A multi-slice computed tomography was performed, in which a multilocular radiolucent image was observed in the right maxilla. Histopathology confirmed to bean OKC. Surgical treatment was performed with curettage and patient's follow-up. OKC is a very common lesion in the literature, because of this it is very important to know the clinical, radiographic and histopathological characteristics, as well as professional experience, for diagnostic and therapeutic closure for this pathology.