Is the urban legend true—will a tooth dissolve when left in a cup of cola? One dentist used his own extracted teeth to see what actually happens when they were exposed to different kinds of sugary beverages. Find out which drinks did the most harm. Also this week, learn about new research from Japan that links tooth loss to dementia. Our final story is about an electric toothbrush that helps fight plaque for people with sensitive gums. Watch now to get these full stories!
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