dental filling materials; lining materials for dental purposes; dental materials for stopping the teeth; dental composite materials; tooth filling material and dental impression materials; dental veneers for use in dental restoration; sterilizing preparations for use on dental instruments; zirconia dental implant materials; ceramic materials for use as dental fillings; dental zirconia blanks; materials for repairing damaged teeth; opacifying materials for use in the preparation of dental veneers; dental bonding material; materials for repairing dental bridges; materials for repairing dental crowns; materials for repairing teeth and dental prostheses; alloys of precious metals for dental purposes; gypsum for dental use; dental casting investment materials