The invention relates to a dental implant system for bone regeneration of a bone defect site of a jaw bone, comprising: an implant to be anchored in the jaw bone and having a threaded hole a film for covering the bone defect site and the implant and a fastening screw for the positionally stable fastening of the film relative to the implant. In the assembly position, a screw bolt of the fastening screw projects through the film and can be screwed together with the threaded hole of the implant, a spacing element being arrangeable between the implant and the film and the screw bolt projecting through the spacing element in the assembly position.