MicroTip: 70% more micro-feathered bristle tips for more effective, soft, gentle cleaning. Interdental bristle trim is designed to effectively remove plaque between teeth. Raised center Dome Trim bristles are clinically proven to clean below the gumline where periodontal disease starts.* Angled neck to reach back teeth and hard-to-reach places better. Comfortable and easy-to-hold handle. *Data on file. GUM toothbrushes are recommended by dental professionals to help you maintain good oral health.