The invention relates to a jaw implant (1) having a head (11) for holding a dental prosthesis (40) and/or a dental treatment device and having a foot (13), having a thread (G,G 1-3) for screwing into a jaw bone (20), which is formed completely or substantially completely out of zirconium dioxide (ZrO2) and in which the foot (13) having the thread (G, G 1-3) is formed conically tapered in a direction from an area (13p) facing the head (11) to an area (13d) facing away from the head (11).
