Medical, pharmaceutical and chemical preparations for medical purposes, namely composite materials for dental filing used in the field of dental stomatology, namely materials for dental bridges; materials for dental crowns; dental veneers used for repairing teeth; dental amalgams; dental amalgams of gold; dental cements; medicated dentifrices; adhesives and cements for dental prostheses; dental composite materials; dental abrasives; dental rubber; dental preparations for disclosing plaque; po...