5 Dental filling materials and impression mass for dental and dental technical purposes; materials for dental prosthesis, namely, metal alloys, dental alloys, precious metal alloys and metal compounds for dental and dental technical purposes; ceramic materials to be used in the dental prosthetic, plastics for dental prosthesis, dental bridges and dental crowns, dental cement; plastic material for producing, relining and repair of dental prosthesis; low-meltable ceramic masses (inlays, onlays, veneer), metal ceramic masses and their auxiliaries, namely, modeling liquids, separating agents; ceramic stains for dental ceramic masses and their auxiliaries, namely staining fluids and fluxes, all for dental and dental technical purposes; embedding mass for dental technical and dental purposes