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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 ...
The company opened a factory in Shanghai, China with 600 workers in the early 20th century to manufacture brush bristles to send to the Florence location for final production. [3] Makers of a highly advertised Pro-phy-lac-tic toothbrush , [ 4 ] the company was acquired by the Lambert Pharmaceutical Co. on February 19, 1930. [ 5 ]
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 AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.
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 "Turk's head" brush design (top) prevents the stem coming into contact with the surface being cleaned. A Turk's head brush is a type of cleaning brush where the bristles are arranged covering the end of the stem as a half-sphere, so that the end of the stem does not come into direct contact with the surface being cleaned, especially when cleaning the inside of a cylindrical object.
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