fig2

Figure 2. Diagram of this surgery: (A) Occlusal view showing the incision line; (B) Postsurgery, occlusal view; (C) Frontal view showing the osteotomy line. The segment was moved to the left (arrow). The horizontal osteotomy line was set 5 mm upward from the root apex of the central incisor. (D) Postsurgery, frontal view. Bone grafting was performed in the striped areas.