This was a gift, meaning I would never have brought one for myself. But after using if for about two weeks, I love it. I just feel that the water pick flossor removes much more food particles from between my teeth than string flossing ever did. I can also feel the water massaging of my gums.
My dental hygienist recommended that I invest in a waterpik after I had my strokes, because I was finding it difficult to floss properly. I am so glad I did. Water flossing is simple and this unit doesn't take up too much room in my tiny bathroom.
I bought this on urging of my dentist to use a waterpik device instead of floss. My husband was very reluctant to change but we both think we have cleaner teeth and gums. Easy to keep clean. Love combo pick and toothbrush in one.
I purchased 6 WP-900's for friends and family and they all rave about it. No complaints except that water goes everywhere, which takes skill to maneuver.