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  2. Electric toothbrush - Wikipedia

    en.wikipedia.org/wiki/Electric_toothbrush

    A typical electric toothbrush. 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.

  3. Toothbrush - Wikipedia

    en.wikipedia.org/wiki/Toothbrush

    The first nylon bristle toothbrush made with nylon yarn went on sale on February 24, 1938. The first electric toothbrush, the Broxodent, was invented in Switzerland in 1954. [26] By the turn of the 21st century nylon had come to be widely used for the bristles and the handles were usually molded from thermoplastic materials. [6]

  4. Talk:Electric toothbrush - Wikipedia

    en.wikipedia.org/wiki/Talk:Electric_toothbrush

    The edits about Broxodent are made by user "liwoog". Woog is also the last name of the person who invented it. I'm thinking someone is trying to promote a family member's legacy or something. 16 April 2009 —Preceding unsigned comment added by 76.249.244.63 ( talk ) 05:16, 16 April 2009 (UTC) [ reply ]

  5. List of Swiss inventions and discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Swiss_inventions...

    Electric toothbrush, the Broxodent by Dr. Philippe Guy Woog [29] Gearless cement drive developed by Brown, Boveri & Cie in 1969 [30] Internal combustion engine invented in 1806 by François Isaac de Rivaz, using oxygen and hydrogen. [31] LCD projector at Brown Boveri & Cie [6] Precision machinery: Thread whirling by Tornos in the 1990s [32]