Nanotechnology: Smiles all round

 
By 29 November 2012
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A smile can say more than a thousand words, the saying goes. Orthodontics can help improve the appearance and position of people's teeth and jawbones, for better functioning teeth and more attractive smiles. In recent years, dental correction orthodontics has used braces made from clear plastic polymer to good effect, but now they are hoping to improve on this with help from nanotechnology. A …
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