Fig. 2
From: Evaluation of the maxillary sinus in panoramic radiography—a comparative study
Radiographic findings of patient 19: oro-antral communication, basal opacity, basal septa; a panoramic radiography (Soredex, Cranex); b–d CBCT images (KaVo 3D eXam): coronal plane (b); panoramic reconstruction view (c); CBCT sagittal plane, right sinus (d)