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There are, in general, two different kinds of electric toothbrushes: oscillating and sonic. Oscillating toothbrushes utilize fast-rotating bristles to clean your teeth, while sonic toothbrushes ...
A second review found no clinical evidence for the dynamic fluid activity of the Sonicare toothbrush being more effective in plaque removal than an Oral-B oscillating/rotating electric toothbrush. [4] A 2007 study comparing the two found the rotation/oscillation brush to be more effective in single-use plaque reduction. [5]
Electric toothbrushes can also be classified according to the speed of their movements as standard power toothbrushes, sonic toothbrushes or ultrasonic toothbrushes. If the motion of the toothbrush is sufficiently rapid to produce a hum in the audible frequency of human range (20 Hz to 20,000 Hz), it can be classified as a sonic toothbrush.
An ultrasonic toothbrush is an electric toothbrush designed for daily home use that operates by generating ultrasound in order to aid in removing plaque and rendering plaque bacteria harmless. It typically operates on a frequency of 1.6 MHz, which translates to 96,000,000 pulses or 192,000,000 movements per minute.
In fact, one study looked at wear and tear on a toothbrush, and found that toothbrushes with the most wear left brushers with more plaque on their teeth, even though the brushes were only three ...
Oral-B toothbrushes and floss Oral-B is an American brand of oral hygiene products, including toothpastes , toothbrushes , electric toothbrushes , and mouthwashes . The brand has been in business since the invention of the Hutson toothbrush in 1950 and in Redwood City, California .