Abstract: An arrangement and a method of prosthetically repairing teeth includes preparing a tooth by marking major surfaces thereof with scribe lines, and by removing tooth structure from the tooth in dependence upon the location of the scribe lines. An elongated recess is formed in the prepared tooth. A coping adapted for placement over the prepared tooth fits in the recess and is formed with a bore which extends in direction of the elongation of the recess. An artificial crown or cap adapted for placement over the coping is formed with a cavity which extends in direction of the elongation of the recess. A two-part detachable fastener has one part mounted in the bore of the coping and its other part mounted in the cavity of the cap. The mutual alignment of the bore and the cavity permits the cap to be secured to the coping with little play when the fastener parts are moved into fitting engagement with each other. The detachable fastener may be of snap-type or of magnetic-type.