Water Flosser is the easy and most effective way to floss, removing up to 99.9 percent of plaque from treated areas and is up to 50 percent more effective than dental floss for improving gum health; perfect for braces, implants, and other dental work. The latest dental floss is upgraded to level 3 water pressure, and the machine adopts IPX7 waterproof design inside and outside, double protection to prevent water leakage, so that the dental floss can be used safely in the bathroom and shower.