Fig. 4From: Palatal window osteotomy technique improves maxillary sinus augmentation in previously insufficient augmentation caseRadiographic image. Four months following 2nd sinus floor augmentation with implant placements. a Significant bone augmentation is achieved in site #26. b Coronal CT image of the red line shows that sufficient bone support with improved radiopacity was achieved in the palatal aspect of sinus cavityBack to article page