Figures 3–6. Figure 3 . The preoperative panoramic radiograph of patient 1, showing severe alveolar deficiency caused by atrophy in the right posterior maxilla. Figure 4 . After placement of an implant in the ridge with the vertical split into which a bone fragment was placed. Figure 5 . Three months after implant placement, the split between the bone segment and the basal bone had disappeared completely. Figure 6 . The panoramic radiograph 2 years after surgery