Fig. 1From: Nasal cavity perforation by implant fixtures: case series with emphasis on panoramic imaging of nasal cavity extending posteriorlyPanoramic radiograph of case 1 patient. The white arrowhead indicates the left hard palate line and the yellow arrowhead indicates the antral floor. The implant fixture is displaced into the superior cavity; however, the bone between the white arrows appears to have sufficient volumeBack to article page