Feathered bristle tips. With angled neck. Healthy gums. Healthy life. 1. 70% more micro-feathered bristle tips for more effective, soft, gentle cleaning. 2. Interdental bristle trim is designed to effectively remove plaque between teeth. 3. Raised center Dome Trim bristles are clinically proven to clean below the gumline where periodontal disease starts (data on file). Angled neck to reach back teeth and hard-to-reach places better. 5. Comfortable and easy-to-hold handle. Dental professionals recommend changing your toothbrush every 3 months or immediately after a cold, flu or any oral infection. Made in USA.