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. 2019 Apr 26;13:108. doi: 10.1186/s13256-019-2033-8

Fig. 1.

Fig. 1

Diagnosis of Case 1 (photograph, radiograph, and computed tomography). a Intraoral photograph of Case 1 at the first visit. No obvious swelling was observed in the right retromolar region (arrow). b Panoramic radiograph of Case 1. Radiolucent lesions were observed in the left maxillary anterior tooth and right retromolar regions (arrow). c Contrast computed tomography image of Case 1. A clearly delineated low-density area depicted bone resorption in the right retromolar region, with no evidence of contrast effect (arrow)