the new U.S. Dentsply Bobcat scaler two kinds of operating microscope, applicable to any operating location. For example: Swiss EMS miniPiezon mini scaler upscale fashion design - process design prize awarded Hannover. For example: Japan NSK scaler blasting powder to make patients feel relief with the lemon flavor, each phone is equipped with three colors (blue, green, pink) and a transparent cover for easy dentist according to patient characteristics and freedom of choice . For example: Japan Morita root canal root canal length measuring machine design depth of the needle into the root canal using a large screen LCD display, clear and intuitive; · Shihai the same time with the sound test changes to this root canal root canal in front of the needle position . For example: Germany Deere suction machine (one chair-bit) using easy and user-friendly mode of operation, the doctor will not work in patients with swallowing reaction was interrupted.