Fig. 2From: Infection may play an important role in the pathogenesis of alveolar osteonecrosis following facial herpes zoster: a case report and literature reviewImaging manifestations. (a) Panoramic radiography showed decreased bone density and poor alveolar socket healing in the right maxilla. Decayed teeth (red arrowhead), residual roots of teeth (yellow arrowhead) and periapical cysts (green arrowhead) were found. (b) Computed tomography examination revealed empty tooth sockets (white arrowhead) on the right side of the maxillaBack to article page