I am a dental hygienist and have been working in various offices for over 8 years now. In the office that  I work at we have been selling these brushes since I have been there for over 2 years now.These are truly one of the best brushes out in the market right now. They not only help you keep your teeth cleaner than a regular manual brush but they help improve the overall health of your gums. They now have came out with a new Oral B brush called the 5000 and this brush is PERFECT for those people who are fighting with gum disease or even ginivitis. They are so sure this brush will help improve...