Health bureau. According to the inquiry of China Travel Service. Com, dental plaster is an oral care product, which is used in dental clinics and medical and aesthetic industries, and its disputes are managed by the Health Bureau. Toothpaste, also known as tooth veneer, is a kind of tooth cosmetic repair technology, which can effectively remove dirt and pigment on the tooth surface, reduce the formation of dental plaque and prevent dental caries and periodontal disease.