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  2. The best electric toothbrushes of 2025, according to dentists

    www.aol.com/lifestyle/best-electric-toothbrush...

    We acknowledge that the Oral-B Pro Series toothbrushes aren’t the most affordable options out there — the iO 9 is typically priced at $300 and hovers around $230 at retailers like Amazon and ...

  3. Oral-B® Introduces First of Its Kind Power Toothbrush to the ...

    www.aol.com/news/2013-02-05-oral-b-introduces...

    CINCINNATI--(BUSINESS WIRE)-- Oral-B ®, a worldwide leader in the brushing market, announced today the launch of its newest rechargeable power (electric) toothbrush to the popular Professional ...

  4. Oral-B - Wikipedia

    en.wikipedia.org/wiki/Oral-B

    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 .

  5. Inductive charging - Wikipedia

    en.wikipedia.org/wiki/Inductive_charging

    Inductive chargers produce more waste heat than wired chargers, which may negatively impact battery longevity. [ 15 ] [ better source needed ] An amateur 2020 analysis of energy use conducted with a Pixel 4 found that a wired charge from 0 to 100 percent consumed 14.26 Wh ( watt-hours ), while a wireless charging stand used 19.8 Wh, an increase ...

  6. 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.

  7. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    Used to provide power to the filament of a vacuum tube. B Battery: Eveready 762-S: 45 V: Threa­ded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies. Multiple B batteries may be connected in series to provide voltages as high as 300 V DC.