If my gums could talk they would tell me I won the lottery! My dentist is amazed. I reversed gingevitis. I am a hairdresser and have been responsible for well over 100 people buying this waterpic.
Using this product takes practice. The first week, I had difficulty knowing when to pause and spit. Sometimes, I would hit the walls and ceiling with water. It takes coordination to know how to use efficiently without making a mess. I still have to wrap a towel around my neck and chest to keep from "drowning" myself! I will continue to use it because my dentist said it's better than floss. (I just spent thousands on a bridge.)
I am extremely happy with the WP-100.I did have one problem with the rubber valve I the tank. I may have pushed the tank down to hard because it was leaking badly when I removed the tank. I pushed the valve down from the inside of the tank to seat it and that seems to have solved the problem.I will keep monitoring it. All in all, this Is a great model and I highly recommend it to anyone.