Scientists develop new tool to improve oral hygiene

(PhysOrg.com) -- Scientists at the University of Liverpool have developed a new dental product to identify plaque build-up in the mouth before it is visible to the human eye.

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<p><a href="http://www.physorg.com/news151065920.html">Scientists develop new tool to improve oral hygiene</a></p> <p>(PhysOrg.com) -- Scientists at the University of Liverpool have developed a new dental product to identify plaque build-up in the mouth before it is visible to the human eye.</p>