Electric toothbrush 1, 3---sides Bristles Advanced design of 3---side bristles to clean all sidesof tooth at the same time. 2, Design of 45 Angle Bristle More effective to clean plaque at Gumline 3, Soften Ultralon Bristle Safer,kinder and more effective to clean teeth and Gum with Gum protection 4,More Effective Plaque Removal Using short back & forth strokes move to remove plaque 5, Gum Massage Special design and bristle material to massage Gumgently 6, More Effective Gingivitis Reduction More effective plaque removal and gum massage toreduc gingivitis.