1. Good for you. But for most people, cleaning is a big problem. Otherwise dentists wouldn't exist. 2. Yes we did. Based on our info and tests over the last 3 y

1. Good for you. But for most people, cleaning is a big problem. Otherwise dentists wouldn't exist. 2. Yes we did. Based on our info and tests over the last 3 years, a European university just started a large clinical study with the Blizzbrush. To examine whether it can even be used in care homes. 3. If you define it this way, then nothing is 100% recyclable, there is always some loss. Your comment seems irrelevant for real life.