With Quad-Grip. Bristles clean deep. 1. Unique tapered bristle design outperforms leading toothbrushes in plaque removal (data on file). 2. Bristles penetrate deeply between teeth and below the gumline where conventional bristles cannot reach to promote gum health. 3. The patented Quad-Grip handle helps you brush at the proper 45 degree angle for optimal cleaning. G-U-M Toothbrushes are recommended by dental professionals to help you maintain good oral health. Made in China.