an implant is arranged with a thread which can be exposed to a jaw bone and which has a first extent in the longitudinal direction of the implant . thread flanks are assigned second extents between the inner and outer peripheries of the thread . along all or most of the first extent , the thread flanks are arranged with one or more grooves that can extend in the peripheral direction and can be situated on the second extents . the groove or grooves are arranged to participate in the process by which the implant fuses with the jaw bone .