“When cleaning the teeth with a manual toothbrush, we make approximately 300 to 600 movements per minute. Although this might seem like a lot, it is nowhere near the tens of thousands of vibrations per minute that an electric toothbrush makes – it makes as many movements in one two-minute cleaning as a regular toothbrush … Read more
You can read the full story here: Ultimate Guide to Choosing the Best Electric Toothbrush for Oral Health .