The advice from dental experts for keeping your teeth clean sounds simple enough: Brush twice a day and floss. But choosing among the many products available to help you do this can be daunting.

It was even on Oprah’s “Favorite Things” list. What more do you need to know?

Shoppers Say: "The Philips Sonicare 4100 is amazing! It cleans so much better than a manual toothbrush — my teeth feel smooth and fresh like after a dental cleaning. It’s gentle on my gums but ...

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