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By the late 1890s, they were making toothbrushes, aluminum goods, toilet items made from wood, composition brushes, and mirrors. [1] The company changed its name to Pro-Phy-Lac-Tic Brush Company in 1924. [2] The Wall Street Journal reported the company was the largest producer of toothbrushes in the United States in 1924. [3]
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]
Robert Hutson also created the Oral-B brand name. The first product was known as the "Oral-B 60", [10] because it had 60 tufts. [11] Other sizes were made with differing numbers of tufts and corresponding names. [6] Hutson sold his toothbrush business in the 1960s, and continued his San Jose periodontal practice. [6] [12] [13] [14] [15]
The first mass-produced toothbrush was developed in England in 1780 by William Addis. In the United States, although toothbrushes were available at the end of the 19th century, the practice did not become widespread until after the Second World War, when US soldiers continued the tooth brushing that had been required during their military service.
Previously, all children's toothbrushes were just scaled down adult brushes. To make this toothbrush "Smart Design" studied the brushing behavior of more than 100 kids, coming up with the shape that encourages proper brushing technique. [15] 1996 – Reach introduced Reach Plaque Sweeper toothbrush and Reach Floss Gentle Gum Care. [16]
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. Motions at sonic speeds or below are made by a motor.
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The first industrially practical polyethylene synthesis discovered by Eric Fawcett and Reginald Gibson at the Imperial Chemical Industries (ICI) works in Northwich, England. [10] 1935 Nylon is invented and patented by DuPont [6] 1938: Nylon is first used for bristles in toothbrushes. It features at the 1939 worlds fair and is famously used in ...