The invention relates to an implant analog for placing in a jaw model for modeling a dental prosthesis by means of the jaw model. Said analog comprises a sleeve extending in an axial direction and comprising an axial inner bore having an internal thread for threading in a fastening screw for fastening a post to the implant analog, wherein the post is provided for fastening a dental prosthesis. According to the invention, the sleeve comprises a self-tapping external thread for threading in the implant analog into a jaw model. The invention further relates to a method for applying such implant analogs and an implant system having such implant analogs.