depends where your using the electric toothbrush! ! :)
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An electric toothbrush has 2-4W (watts).
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The first electric toothbrush in the USA was the Broxodent in 1960.
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80% verses 50%
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The Sonicare electric toothbrush is manufactured by Oral-B. This
is a rechargeable toothbrush that has pretty solid reviews from
customers and Consumer Reports.