Electric toothbrush braces). The Broxo Electric Toothbrush was introduced in the U.S. by E. R. Squibb and Sons Pharmaceuticals in 1960. After introduction, it was marketed in the U.S. by Squibb under the names Broxo-Dent or Broxodent. In the 1980s Squibb transferred distribution of the Broxodent line to the Somerset Labs division of Bristol-Myers Squibb. The General Electric automatic toothbrush was introduced in the early 1960s; it was cordless with rechargeable NiCad batteries and although portable, was rather bulky, about the size of a two-D-cell flashlight handle. NiCad batteries of this period suffered from the Memory effect. The GE Automatic Toothbrush came
Electric toothbrush people use a manual toothbrush brush effectively. The rotation-oscillation-models have been found to be marginally better than manual ones, though of uncertain clinical importance. The research concludes that the way brushing is done, including the amount of time spent, is more important than the choice of brush. For patients with limited manual dexterity or where difficulty exists in reaching rear teeth, however, dentists regard electric toothbrushes as being especially beneficial. A 2014 Cochrane review suggested the effectiveness of electric toothbrushes over manual ones: plaque build-up and gingival inflammation was reduced by 11% and 6% respectively after one to three months