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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. [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]
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.
The toothbrush has the features we’d expect of a high-powered electric toothbrush, including a two-minute timer and multiple brush speeds — the real luxury is in the flossing capabilities ...
Oral-B toothbrushes and floss. Oral-B is an American brand of oral hygiene products, including toothpastes, toothbrushes, electric toothbrushes, and mouthwashes. The brand has been in business since the invention of the Hutson toothbrush in 1950 and in Redwood City, California. [1] [2] [3] [4]
Dentifrices, including toothpowder and toothpaste, are agents used along with a toothbrush to aid in removal of dental plaque. They are supplied in paste, powder or gel. [ 1 ] Many dentifrices have been produced over the years, some focusing on marketing strategies to sell products, such as offering whitening capabilities.
A second review found no clinical evidence for the dynamic fluid activity of the Sonicare toothbrush being more effective in plaque removal than an Oral-B oscillating/rotating electric toothbrush. [4] A 2007 study comparing the two found the rotation/oscillation brush to be more effective in single-use plaque reduction. [5]
SnF 2 is a reducing agent, with a standard reduction potential of E o (Sn IV / Sn II) = +0.15 V. [29] Solutions in HF are readily oxidised by a range of oxidizing agents (O 2, SO 2 or F 2) to form the mixed-valence compound Sn 3 F 8 (containing Sn II and Sn IV and no Sn–Sn bonds). [20]
A man brushing his teeth while looking in a mirror. Tooth brushing is the act of scrubbing teeth with a toothbrush equipped with toothpaste.Interdental cleaning (with floss or an interdental brush) can be useful with tooth brushing, and together these two activities are the primary means of cleaning teeth, one of the main aspects of oral hygiene. [1]