A device and arrangement for installation of a fixture (5) in a jaw bone (1)are proposed according to the invention. The arrangement comprises a fixtureholder (6) designed to cooperate with a guide member (14) forming part of atemplate (30), via which guide member (14) the fixture can be applied in itsposition in the jaw bone with the aid of the fixture holder. The arrangementis also provided with one or more elements (19 and 23, 24) which, with the aidof the guide member, ensure defined positions of the fixture in the verticaland transverse directions. The element or elements is or are arranged on thefixture holder. There is no risk of incorrect installation of a respectivefixture.