Nonrestorable maxillary dentition restored with conventional anterior implants and posterior zygomaticus implants. (A) Occlusal view of edentulous maxilla. (B) Radiographic guide (duplicated from the approved transitional denture) and bite registration. (C) Three-dimensional reconstruction of edentulous maxilla. (D) Virtual planning for implant placement in edentulous maxilla with the simulated prosthesis in place. (E) Virtual implant placement. (F) Surgical guide and fixation pins.