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Oral Care: Take care of your teeth

A dentist operates on a humanoid dental patient robot, named Hanako Showa, during a demonstration of dental treatment at Showa University on March 25, 2010 in Tokyo, Japan.
A dentist operates on a humanoid dental patient robot, named Hanako Showa, during a demonstration of dental treatment at Showa University on March 25, 2010 in Tokyo, Japan.
Photo by Koichi Kamoshida/Getty Images
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