A device and arrangement for installation of a fixture in a jaw bone comprises a fixture holder designed to cooperate with a guide member forming part of a template, via which guide member the fixture can be applied in its position in the jaw bone with the aid of the fixture holder. The arrangement is also provided with one or more elements which, with the aid of the guide member, ensure defined positions of the fixture in the vertical and transverse directions. The element or elements is or are arranged on the fixture holder.
