DOBBS FERRY, NY - FEBRUARY 03, 2011: Dr. Edward Zuckerberg, D.D.S., father of Facebook founder Mark Zuckerberg, poses with an Evolution 4D in his dental practice on February 03, 2011 in Dobbs Ferry, NY. The Evolution 4D is a 3D scanning/ milling system for same day crowns, inlays, onlays, and veneers. (Photo by Michael Nagle)

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Copyright © 2011 Michael Nagle