For hard-to-reach areas. Recommended by dental professionals. 1. Multi-level bristles clean between the teeth and below the gumline to remove plaque for a complete clean. 2. Super Tip bristles clean hard-to-reach places. 3. Raised inner Dome Trim bristles are clinically proven to clean below the gumline where periodontal disease starts (data on file). 4. The patented Quad-Grip handle helps you brush at the proper 45 angle for optimal cleaning. G-U-M toothbrushes are recommended by dental professionals to help you maintain good oral health. Made in USA.