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

Figure 1 X-ray images of case 1. A: In the preoperative X-ray image of the first-stage surgery, the residual bone height was 5.22 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 11.47 mm; D: In the postoperative X-ray image of the second-stage surgery, we placed a 4.8 mm-wide and 10 mm-long implant (Straumann); E: The X-ray image after prosthetic rehabilitation.

Figure 2 X-ray images of case 2. A: In the preoperative X-ray image of the first-stage surgery, the residual bone height was 4.43 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 8.02 mm; D: In the postoperative X-ray image of the second-stage surgery, we placed a 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.

Figure 3 X-ray images of case 3. A: In the preoperative X-ray image of the first-stage surgery, the residual bone height was 3.35 mm; B: In the postoperative X-ray image of the first-stage surgery, we placed a 4.8 mm-wide and 8 mm-long implant (Straumann); C: The X-ray image after prosthetic rehabilitation; D: In the preoperative X-ray image of the second-stage surgery, the residual bone height was 6.18 mm; E: In the postoperative X-ray image of the second-stage surgery, we placed a 4.8 mm-wide and 10 mm-long implant (Straumann), the implant was found to be mobile after 4 months; F: In the preoperative X-ray image of the third-stage surgery, the residual bone height was 6.49 mm; G: In the postoperative X-ray image of the third-stage surgery, we placed a 5.0 mm-wide and 10 mm-long implant (Nobel); H: The X-ray image after prosthetic rehabilitation.

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.

Figure 5 X-ray images of case 5. A: In the preoperative X-ray image of the first-stage surgery, the residual bone height was 6.10 mm; B: In the postoperative X-ray image of the first-stage surgery, we placed a 4.3 mm-wide and 10 mm-long implant (Nobel); C: In the preoperative X-ray image of the second-stage surgery, the residual bone height was 8.06 mm; D: In the postoperative X-ray image of the second-stage surgery, we placed a 4.1 mm-wide and 10 mm-long implant (Straumann); E: The X-ray image after prosthetic rehabilitation; F: The X-ray image after prosthetic rehabilitation.