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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. [27] 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]
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.
William Addis (1734–1808) was an English entrepreneur believed to have produced the first mass-produced toothbrush in 1780. [1] [2] Addis was born in 1734 in England, most likely in Clerkenwell, [note 1] London. [3] In 1770, Addis was imprisoned in Newgate prison for causing a riot in Spitalfields. [4]
In 1820, Samuel Stockton, a goldsmith by trade, began manufacturing high-quality porcelain dentures mounted on 18-carat gold plates. Later dentures from the 1850s on were made of Vulcanite, a form of hardened rubber into which porcelain teeth were set. In the 20th century, acrylic resin and other plastics were used. [33]
Further, improved battery-operated toothbrushes were providing formidable competition. [citation needed] The first ultrasonic toothbrush, first called the Ultima and later the Ultrasonex, was patented in the US in 1992, the same year the FDA gave it approval for daily home use. Initially, the Ultima worked only on ultrasound, but a few years ...
He eventually visited a doctor in Juba, but by that point, his retinas were damaged beyond repair. He was forced to give up soccer but discovered the blind format in 2020.
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]
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