[ Materials for repairing teeth and for crowns and dental bridges, material for odontological implant and dental systems, namely, dental material for shaping and constructing dental crowns; dental porcelain materials, dental titanium, non-precious metal dental alloys, ceramic materials in the nature of dental ceramics, materials of precious metal for dental use, namely, alloys; and other materials, namely, biocompatible material in the nature of zirconia, for dentures and for filling teeth; d...