Discs for separating and grinding and tapes in the form of strips for separating and grinding, not for medical use | Dental instruments and apparatus, namely, dental drills, burs, drill bits, root-canal instruments, dental picks, dental curettes, dental spatulas, dental modeling instruments, dental explorers, dental margin trimmers, dental excavators, dental scalers, dental files, retractors, orthodontic instruments for dental purposes, discs for separating and grinding, tapes in the form of strips for separating and grinding, tungsten carbide cutters, surgical instruments for dental use, surgical cases for odontological instruments, dental trays, dental ultrasonic handpieces and tips therefore, polishers, Grinding stones and milling instruments for the production of dental replacements