According to a new study, there is a growing need for evidence-based dentistry to look at various dental procedures and the cost versus benefit for patients. KYW medical editor Dr. Brian McDonough takes a look.

<p>According to a new study, there is a growing need for evidence-based dentistry to look at various dental procedures and the cost versus benefit for patients. KYW medical editor Dr. Brian McDonough takes a look.</p>

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