I've told my students for years that George Washington paid slaves for some of his false teeth, but I never knew that he also got some from donkeys, cows and horse! The New York Times has a fascinating new blog called the Upshot that you might want to look at for "news, analysis and grpahics about politics, policy and everyday life."
Well amazing thank you for sharing actually this blog is really useful for me because i am also a Dentist. Night Guards
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