A connecting apparatus for connecting an item, especially a dental prosthetic device, with an anchor tooth or a crown in the mouth of a dental patient. The connecting apparatus includes a first interconnecting element (14, 16) for connecting the dental prosthetic device with the selected one of the anchor tooth and the crown in the mouth of a dental patient and a second interconnecting element (26, 28). The first interconnecting element (14, 16) includes a positive coupling piece (22, 24) formed of ceramic. The second connecting element is a negative coupling piece (26, 28) comprised of glass fiber reinforced synthetic material, at least in a wear region thereof which lies against the first interconnecting element 14. The positive and negative coupling pieces are securable to one another in a mated shape closure manner.