Chemical preparations for dental purposes, namely chemical reagents for dental health care purposes; materials for dental treatment, namely, dental cement, dental polish, dental alloys, dental abrasives, dental sealants, dental waxes, dental veneers, dental resin cements, dental blanks, dental adhesives, dental amalgams, dental lacquer, dental mastics, dental impression material, and dental composite materials; disinfectants; bacteria removers, namely disinfectants