Two-stage transcrestal sinus floor elevation-insight into replantation: Six case reports

Figure 4 X-ray images of case 4. A: In the preoperative X-ray image of the first-stage surgery, the residual bone height was 4.56 mm; B: In the postoperative X-ray image of the first-stage surgery, we placed a 4.8 mm-wide and 10 mm-long implant (Straumann); C: In the preoperative X-ray image of the second-stage surgery, the residual bone height was 7.04 mm; D: In the postoperative X-ray image of the second-stage surgery, we placed 4.8 mm-wide and 10 mm-long implant (Straumann); E: The X-ray image after prosthetic rehabilitation; F: The x-ray image after prosthetic rehabilitation.