Medical, pharmaceutical and chemical preparations for medical purposes, namely, composite materials for fillings and build-ups used in the field of restorative dentistry; dental amalgams; dental amalgams of gold; dental cements; dental lacquers; dental mastics; adhesives and cements for dental prostheses; material for stopping teeth; dental abrasive; rubber for dental purposes; teeth medicines for dental purposes; preparations to facilitate teething, namely, teething gels; porcelain for dentu...