Unique, patented OSCILLATING MOTION. Eliminates spatter of prophy paste, blood, saliva and other potential infectious matter. Eliminates frictional heat remains cool for increased patient comfort. Allows you to maintain continuous contact and pressure on tooth surface for maximum stain removal. Ergonomically superior No more lift and dab technique. Safe for use on gingival margins and exposed dentin. Ideal for applying dental medicaments, and preparing teeth foretching and bleaching procedures. Only effective prophy angle brush for orthodontic cases use on and in between brackets, wires and bands.- Prophy Cups, Soft, 100/bg