45 Ergonomic Toothbrush Created by Dr. Irwin Smigel World Renowned Father of Aesthetic Dentistry The Supersmile Ergonomic Toothbrush has five tufted rows of soft, rounded nylon bristles to help guarantee that the ADA-recommended, 45 brushing angle is maintained. It is precisely angled to help assure that it reaches beneath the gum-line every time you brush, and features an ergonomically designed clear lucite handle that allows it to stand upright for hygienic drying. 45 Angled Bristles: Guarantees that the ADA recommended brushing angle is maintained. Patented angle removes plaque and bacteria from the area between the teeth and gums. Soft: Soft, polished, rounded nylon bristles. Ergonomically Designed: For comfort and ease of use. Stands upright for hygienic drying. ;