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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 ...

www.moonortho.com/know-many-bristles-toothbrush-contains

Jul 12, 2016 ... Now that's a lot of bristles working towards a healthier smile! Do you know how many Bristles your Toothbrush Contains?

www.designlife-cycle.com/plastic-toothbrush

[9]Many plastics such as polyethylene are inert and prone to microbial attack, .... Not only is nylon 6-12 used in toothbrush bristles, but they also appear to be the ...

www.academia.edu/707986/Number_length_and_end_rounding_quality_of_bristles_in_manual_child_and_adult_toothbrushes

In light of many studies that have great concern to both the consumers and been ... On each toothbrush, the bristles of one with only one study comparing the ...

www.answers.com/Q/How_many_bristles_on_a_toothbrush

there are certified to be 2000 bristols on a tooth brush each Bristol play sa majo rrol in keeping your teeth clean.

bellatory.com/hygiene-grooming/How-to-Pick-a-Toothbrush

Dec 9, 2016 ... Many people will use the same toothbrush for several months long after it is ... it follows that as soon as the toothbrush bristles have become bent, you ... With average brushing taking 3 to 10 minutes each time, the useful life of ...

www.ada.org/member-center/oral-health-topics/toothbrushes

Sep 18, 2017 ... Replace toothbrushes every three to four months or more often if the bristles ... Either manual or powered toothbrushes can be used effectively.

www.blizzident.com/faq.html

May 1, 2015 ... The bristles last 1 year - a replacement toothbrush costs 49. ... An average mouth has 28-32 teeth, and there are very very many different places ...

www.ncbi.nlm.nih.gov/pubmed/2700641

Toothbrush bristle density: relationship to plaque removal. Pretara-Spanedda P ... The average trim height of the bristles was 10.77 mm. Subjects brushed ...