April 2, 2013 7:48 pm

New Study Reveals Bacteria Lurking in Dentists' Offices

Scientists at Tufts University tested 20 dental bib clips in a dental clinic, and found that even after disinfection, traces of bacteria remained on the clips. Dr. Bruce Hensel reports for the NBC4 News at 5 p.m. on April 2, 2013.

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