Pros: Known for its unique design -- it's powered by the sink faucet.

Cons: The threading that attaches to the faucet can wear down over time.

Summary: It's not the best performer on the market, but this oral irrigator is a good choice for cosumers seeking an irrigator without a water reservoir.

Pros: Offers a wide choice of operating modes, including soft and pulsating. This irrigator is also very quiet.

Cons: Many users complain about the constant need to refill this unit's water reservoir.

Summary: A few quirks aside, this oral irrigator is a safe choice -- especially for shoppers on a budget.

Pros: Stands out among competitors for its user-friendly design, promising thorough cleaning at the touch of a button.

Cons: A handful of users wish this unit did a better job of reaching the backs of their teeth.

Summary: For such a high price tag, this unit's flossing capabilities are a bit underwhelming.

Pros: Generates praise for its 1600 pulses per minute, which is plenty for thorough, deep cleaning.

Cons: The spray nozzles are expensive to replace -- and they do require replacement over time.

Summary: You won't find a better performing oral irrigator in this price range. Fans of this flosser praise its gentle yet effective approach to cleaning, especially around gums.