Aokedental Ultrasonic Scaler System (AKUS) is a multipurpose magnetostrictive ultrasonic scaler system operated at 42,000Hz that can be rendered sterile. The entire fluid delivery pathway is autoclavable. For periodontal and endodontic processes, a series instruments can be used, including various titanium tips and ultrasonic files for root-canal treatment. Advantages: (1)High Frequency Performance (42,000 Hz) (2)Circular tip movement (3)Smallest tip amplitude (0.01-0.02 mm) (4)Autoclavable Fluid Delivery Pathway (5)Titanium Instruments (tips)