Fig. 1From: Survival of conventional dental implants in the edentulous atrophic maxilla in combination with zygomatic implants: a 20-year retrospective studya 3D planning. b Crestal incision. c Custom-made drill guide. d Zygomatic implant placement. e 1-year follow-up. f 5-year follow-up. g 10-year follow-upBack to article page