This Top-Rated Oral-B Smart Toothbrush Is $40 Off Right Now at Amazon

When not writing up the best deals for CNET readers, Amber Guetebier writes about plants, gardening, folklore and pirates. She is the author of several books and currently writing several more.

When it comes to keeping your teeth clean, all brushes are not equal. High-quality electric toothbrushes help you keep up a routine with a little less effort, but they aren't exactly cheap. One of our favorite electric toothbrushes, the Oral-B iO Series 3 smart toothbrush, is currently on sale. You can pick up this $100 toothbrush for just $60 right now at Amazon. It's a limited-time deal, though, so don't wait. Snap up this smart toothbrush while you can.

The American Dental Association says you should be brushing your teeth twice a day for two minutes each time. When using a manual toothbrush, it's not always easy to tell if ...