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Figure 1: Presurgical planning and modeling of the Eagle-Grid®: (a) 3D bone reconstruction, occlusal view; (b) the subperiosteal implant and its integral abutments in position, occlusal view; (c) overlapping of the soft tissues for the evaluation of the emergency profiles of the prosthetic abutments, occlusal view; (d) preliminary evaluation of the possible prosthetic reconstruction, occlusal view; (e) 3D bone reconstruction, lateral view; (f) the subperiosteal implant and its integral abutments in position, lateral view; (g) overlapping of the soft tissues for the evaluation of the emergency profiles of the prosthetic abutments, lateral view; (h) preliminary evaluation of the possible prosthetic reconstruction, lateral view.