Dilated odontoma in the mandibular third molar region: a case report

ABSTRACT Dilated odontoma is a rare dental developmental anomaly that belongs to a class od dens in dente, being rarely described in the posterior region of the mandible. To be describe a dilated odontoma in the lower third molar region. this study had a qualitative, transversal, descriptive and documentar approach, of the case report type. Developed in the Integrated Health Clinics of a University in the Extreme South of Santa Catarina, in the Dentistry Service. This article presets a case of dilated odontoma in a 32-year-old male patient. The patient had pain and swelling in the left posterior region of the mandible. The Crown of this element was clinically within the normal range, however the radiographic examination showed barrel-shaped root alteration in element 38 and expansion of the buccal and lingual cortical bone. An incisional biopsy of the anomaly whas performed and sent to anatomopathological examination. According to the clinical, radiographic and anatomopathological characteristics, the diagnosis of dilated odontoma was reached. Due to the aberrant root anatomy, complete removal was chosen. The diagnosis of this abnormality depeds on the clinical, radiographic and anatomoathological characteristics and its therapy varies according to the invagination. In cases of deep invagination, extraction is indicated.