Abstract: A dental implant for a prosthetic appliance comprising a region (I) designed for permanent insertion into a jawbone and a connection region (II) adjacent thereto that bears the prosthetic appliance and is characterized in that said connection region (II) is prefabricated and consists of at least one ceramic region (3) having a core region (3a), and at least one external region (4); said core region (3a) is at least partially surrounded by said external region (4); said at least one external region (4) is made of a workable material for the preparation of a prosthetic appliance; the ceramic material of said ceramic core region (3) has a hardness that is greater than that of the external region (4); and the material of the external region (4) has a hardness equal to or less than that of the range of natural enamel.