Dental cements; dental etching agents; adhesives for dentures; dental adhesives; bonding and priming materials for dental purposes; dental abrasives; dental waxes; moulding waxes for dentists; dental impression materials; artificial tooth materials; dental gypsums; dental composite resins; dental investment materials; dental fillings; tooth filling materials; dental relining materials; dental lining materials; dental tissue conditioners; self curing acrylic resins; oxy barrier agents for dental use; mold-releasing agents; separating agents; dental materials; medicines for dental purposes; pharmaceutical preparations