The present invention relates to a method of providing a patient-specific dental fixture-mating arrangement, such as a dental abutment. According to the method, an arrangement is provided which can only be arranged in one rotational position with respect to a fixture in the jawbone of a patient. The arrangement is designed based on the orientation and inclination of the fixture relative to the jawbone. The invention also relates to a dental implant arrangement, comprising a dental fixture and a final dental restoration having mating indexing means.