Grinning is an ultrasonic visual tooth cleaning product, with a camera can easily remove stains on teeth, dental stones. There is a certain risk for people to have their teeth cleaned in the dental hospital. Because the dental cleaning equipment is not disposable, the disinfection process of the equipment is prone to problems, and there is the possibility of cross-infection to other viruses in the process of dental cleaning. So our team developed a self-cleaning ultrasonic equipment to bring you convenience and health at the same time!