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According to dentists and hygienists, it's not as simple as every three months. Here's what they have to say about how to prevent contamination
“Like with a manual toothbrush, electric toothbrush heads should be replaced every three to four months, or sooner if the bristles are frayed,” says Matthew J. Messina, D.D.S., consumer ...
An electric toothbrush, motorized toothbrush, or battery-powered toothbrush is a toothbrush that makes rapid automatic bristle motions, either back-and-forth oscillation or rotation-oscillation (where the brush head alternates clockwise and counterclockwise rotation), in order to clean teeth.
Electric toothbrushes can be classified, according to the speed of their movements as: standard power toothbrushes, sonic toothbrushes, or ultrasonic toothbrushes. Any electric toothbrush is technically a powered toothbrush. If the motion of the toothbrush is sufficiently rapid to produce a hum in the audible frequency range (20 Hz to 20,000 Hz ...
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2012: Oral-B Trizone 1000 electric toothbrush with brush head shape and brushing technique similar to a manual brush. 2014: the first toothbrush with Bluetooth 4.0 Oral-B SmartSeries technology. 2017: New version of the battery, holds a charge 2 times longer and charges 2 times faster. 2019: Genius X toothbrush with artificial intelligence.
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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]