The dental implant (10) has a receiving opening arranged on a coronal end (16) for an abutment and including a conical section (17) with length and an indexing section (18) with length that are viewed form the coronal end of the dental implant. The conical section includes a total conical angle that is 15 degree, and the length of the indexing section of the abutment is equals to 90 percent of the length of the conical section and is more than 1.6 mm. The indexing section includes an upper surface area, in which a groove with length is outwardly extended in a radial direction. An independent claim is also included for an implantation set including an aiding element.
