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The brush head vibrates at hundreds of times per second, with the latest models at 31,000 strokes per minute (517 Hz) or 62,000 movements per minute [1] (1033 Hz). Rather than connecting to its charger with conductors, it uses inductive charging —the charger includes the primary winding of the voltage-reducing transformer and the handle of ...
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.
The toothbrush has the features we’d expect of a high-powered electric toothbrush, including a two-minute timer and multiple brush speeds — the real luxury is in the flossing capabilities ...
There are different electric toothbrush heads designed for sensitive teeth and gums, increased stain removal, or different-sized bristles for tight or gapped teeth. [citation needed] The hand motion with an electric toothbrush is different from a manual toothbrush. They are meant to have the bristles do the work by just placing and moving the ...
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.
The Rickenbacker 360 is an electric, semi-acoustic guitar made by Rickenbacker, and part of the Rickenbacker 300 Series.The instrument incorporates many features standard on Rickenbacker guitars, including a three-ply maple/walnut neck, shallow headstock angle, a thick rosewood fretboard finished with clear conversion varnish, and double truss rods.