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en.wikipedia.org/wiki/Toothbrush

The toothbrush is an oral hygiene instrument used to clean the teeth, gums, and tongue. It consists of a head of tightly clustered bristles mounted on a handle which facilitates the cleaning of hard to reach areas of the mouth. Toothbrushes are available with different bristle textures, sizes, and forms. .... The first nylon bristle toothbrush made with nylon yarn went on sale on ...

www.colgateprofessional.com/patient-education/articles/history-of-toothbrushes-and-toothpastes

The invention of nylon started the development of the truly modern toothbrush in 1938, and by the 1950s softer nylon bristles were being made, as people ...

myplasticfreelife.com/2015/12/the-truth-about-your-biodegradable-bamboo-toothbrush

Dec 8, 2015 ... Verdict: The Environmental Toothbrush bristles are made from Nylon-6, not Nylon -4 as claimed. Nylon-6 is not biodegradable, so the claim that ...

www.quora.com/Why-are-most-toothbrush-bristles-made-of-nylon

The reason of making use of nylon in tooth brushes is that it is one of the earliest discovered plastic materials which had the property to be made into fibe...

www.colgate.com/en/us/oc/oral-health/basics/selecting-dental-products/article/soft-vs-hard-toothbrush-0316

You can use a hard toothbrush, a soft toothbrush, an electric-powered brush or a ... de Nemours introduced toothbrushes made with nylon bristles, which people ...

www.brooklynblvddental.com/dental-articles/different-type-of-tooth-brush-bristles

Jun 21, 2015 ... The most sophisticated type of toothbrush bristle in 1498 was invented in ... More than ten years after, softer nylon bristles were developed.

healthfully.com/what-toothbrush-bristles-made-4914951.html

Materials used to manufacture toothbrush bristles vary. From a natural ... Today, nylon bristled brushes come in a variety of shapes, sizes, textures and densities.

www.ncbi.nlm.nih.gov/pubmed/1524685

Nylon bristle end-rounding provides important soft tissue benefits to modern toothbrushes. In these studies, the proportion of acceptably end-rounded bristles  ...

jdh.adha.org/content/87/3/118.full

End-rounded bristles are safer and reduce damage to oral tissues. Nylon bristles are more effective in plaque removal because the bristle is stiffer than natural ...