The invention relates to a dental restoration model comprising a positive model (15) of a dental restoration piece. Said positive model (15) defines at least the outer contour (36) of a dental restoration piece to be made using lost wax technology and is provided with a locating pin region which is defined especially according to a given optimization process. The invention is characterized in that the locating pin region is provided with a guiding element (30) which accommodates and/or guides a material feeder (22, 24, 26 and 28).