Dental preparations and articles, namely, dental preparations for disclosing plaque and pre-filled dental trays for applying dental compositions to teeth; medicated dentifrices; teeth filling material; material for repairing teeth; materials for crowns and bridges for oral prophylaxis; pharmaceutical preparations for treating mouth ulcers; bonding and primer materials for dental purposes; dental impression materials; materials for artificial teeth; medicated toothpaste; medicated mouthwashes;...