Fig. 2From: Influence of the contact area of the sub-antral space with sinus bone and the Schneiderian membrane on osteogenesis in lateral window sinus elevation surgery: a prospective experimentVolume and surface area analysis was performed using Mimics. A “Green mask” of the sub-antral space was created as the region of interest. A–C: the coronal, axial and sagittal planes of sub-antral space. D: A 3-dimensional model, including sub-antral space (green), bone tissue around maxillary sinus (yellow) and some nearby teeth (white)Back to article page