Description Ultrasonic Calculus Remover Electric Portable Dental Scaler Ultrasonic Tooth Cleaner Sonic Smoke Stains Tartar Plaque Teeth Whitening Treatment Scaling Tools Features: Micro induction ultrasonic technology -magnetic levitation cleaning power system. During ultrasonic work, only when the working tip touches hard objects such as teeth and dental stones will it vibrate, and soft objects such as gums will stop vibrating (to protect gums); Related
