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Lets look at your toothbrush PDF Print E-mail
Written by Administrator   
Tuesday, 13 November 2012 14:05

Lets look at your toothbrush


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Coloured scanning electron micrograph (SEM) of a bristle from a used toothbrush, covered in dental plaque. COVER IMAGE copyright STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

 

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