A 37-year-old woman presented for evaluation after a routine dental x-ray showed a mass in her right mandible that was confirmed by a panoramic radiograph. Patient was asymptomatic except for mild soreness on the overlying mucosa. She noticed it the day before the consultation. She had no tooth pain, swelling, bleeding, neck lumps, fevers, chills, or weight loss. She had no prior similar episodes and no recent dental problems or procedures.

Physical examination revealed no deformity in her external facial features and no visible or palpable expansile lesion of her mandible intraorally. All teeth had normal sensation to percussion, palpation, and temperature except for questionable thermal sensitivity of tooth no. 29. Patient does not have apparent odontogenic disease or neck masses. A non-contrast computed tomography (CT) scan revealed a sclerotic lesion at the apices of teeth no.28 and…