Abstract
Objective: To highlight the importance of correct diagnosis in clinical dental practice, aiming at the appropriate conduct in the treatment of ameloblastoma in the mandible region, as well as to discuss the pathogenesis of the lesion. Case Details: Patient, female, 46 years old, attended the dental school clinic complaining of a tumor lesion on the left side of the mandible. Final Considerations: The case in question is an odontogenic tumor known as ameloblastoma. Because the pathology presents asymptomatically, the patient was late in seeking care for this lesion, which resulted in a delay in diagnosis. A very detailed anamnesis, the history of the patient's current disease and medical history, plus a thorough physical examination was essential for decision making. The aforementioned report was satisfactorily concluded by total removal of the lesion by surgery. This case reinforces the importance of biopsy for confirmation of lesions in which clinical and radiographic diagnosis was not sufficient.
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