A toothbrush for lefties! The Radius Original Toothbrush automatically places the bristles at a 45 degree angle to the the gums, which is what's recommended by the ADA. It effectively removes plaque and softly massages gums. 6500 very fine bristles on a wide head softly cleanse the entire mouth. The ergonomic handle makes it comfortable for you to brush.More info, click here: Radius Toothbrush