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The Burst Original Sonic Toothbrush is a $60 brush that has three different cleaning modes, is rechargeable, and comes with a smart timer. ... or $8 for one replacement head on its own. Pros ...
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 ...
Three plastic toothbrushes. A toothbrush is a special type of brush used to clean the teeth, gums, and tongue.It consists of a head of tightly clustered bristles, atop of which toothpaste can be applied, mounted on a handle which facilitates the cleaning of hard-to-reach areas of the mouth.
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.
1983 – Reach toothbrush was featured in Tooth Protectors video game for the Atari 2600 video game console along with Johnson & Johnson dental floss and Act mouthwash. [9] 1985 – Reach toothbrush gained recognition from American Dental Association. [10] 1986 – Mr. Reach character with the famous flip-top head, was born in Australia. [11]
As a hit-driven business, the great majority of the video game industry's software releases have been commercial disappointments.In the early 21st century, industry commentators made these general estimates: 10% of published games generated 90% of revenue; [1] that around 3% of PC games and 15% of console games have global sales of more than 100,000 units per year, with even this level ...