Blue light used to harden tooth fillings stunts tumor growth

A blue curing light used to harden dental fillings also may stunt tumor growth, Medical College of Georgia researchers say.

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<p><a href="http://www.physorg.com/news133525824.html">Blue light used to harden tooth fillings stunts tumor growth</a></p> <p>A blue curing light used to harden dental fillings also may stunt tumor growth, Medical College of Georgia researchers say.</p>