Crest® and Oral-B® Pro-Health® educate Rite Aid shoppers on how much plaque may remain on teeth even after brushing at an event in North Hollywood, CA. on Monday, May 13, 2013. Crest and Oral-B are... more 
Crest® and Oral-B® Pro-Health® educate Rite Aid shoppers on how much plaque may remain on teeth even after brushing at an event in North Hollywood, CA. on Monday, May 13, 2013. Crest and Oral-B are hosting the three day event to help educate people on how they can achieve better oral health in 2013. (Eric Reed/AP Images for Crest and Oral-B Pro-Health) less 
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Associated Press
Mon, May 13, 2013 8:18 PM EDT