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Waterpik Cordless Advanced 2.0 Water Flosser ($80, originally $100)

Save yourself a trip to the dentist with this water flosser from Waterpik. The dentist-recommended device uses PrecisionPulse technology to deliver a combination of water pressure and pulsations, removing up to 99.9 percent of plaque bacteria. It also helps to prevent gingivitis, cavities, and bad breath.

What Customers Say: "Phenomenal product! I have always had trouble with my teeth/gums and have been on the brink of gingivitis. After ignoring my dentist for several months about getting it, I finally did. After a little trial and error (personal error, not equipment) the results have been fantastic! After six months of use my dentist told me my teeth and gums have never looked better!"