Oral-B oscillating, rotating electric toothbrushes use a dentist-inspired cupping
action to clean tooth by tooth.
Oral-B oscillating, rotating electric toothbrushes remove more plaque and reduce
gingivitis more effectively than a regular manual toothbrush.
Electric toothbrushes make brushing easier, as they provide the cleaning action
for you. With a manual brush, you do all the work.
An electric toothbrush can move thousands of times per minute, versus a few hundred
for a manual brush.
Oral-B sonic toothbrushes clean teeth thoroughly and are effective at removing stains
Many Oral-B electric toothbrushes have brushing modes for deep cleaning, sensitivity
care, whitening, or gum massage.
related article that better explains why electric toothbrushes are better
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Don't know which electric toothbrush to get?
this article to choose the right one for you.
Power Toothbrush vs. Manual Toothbrush: Here's an article
to answer all your questions.