Watch the tasty new series “Tacos of Texas” www.youtube.com/channel/UCdzQ_ilHPH3rQtgzo4nKM_g Remember to brush, floss, and SUBSCRIBE! ►► bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ Teeth. We’ve all got ‘em (most of us, anyway). But how do they grow? Teeth are made from some biological nanotechnology that will blow your mind. They are strong enough to last hundreds of millions of years. Oh, and if you’ve ever wondered how adult teeth replace your baby teeth, get ready to see something terrifying. Special thanks to Matthew Brown, Ph.D. and the University of Texas Vertebrate Paleontology Collection REFERENCES: Dr. Gareth J. Fraser, Department of Biology, University of Florida Dr. Andrew Gillis, Department of Zoology, University of Cambridge S.J. AlQahtani Et al. (2010) Brief Communication: The London Atlas of Human Tooth Development and Eruption. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 142:481–490 Teruel Jde D Et al. (2015) Comparison of chemical composition of enamel and dentine in human, bovine, porcine and bovine teeth. Archives of Oral Biology Volume 60, Issue 5 768-775 Hill, M.A. (2018) Embryology Timeline human development. embryology.med.unsw.edu.au/embryology/index.php/Timeline_human_development ----------- FOLLOW US: Twitter: @DrJoeHanson @okaytobesmart Instagram: @DrJoeHanson Merch: store.dftba.com/collections/its-okay-to-be-smart Facebook: www.facebook.com/itsokaytobesmart SEND US STUFF: It’s Okay To Be Smart PO Box 303356 Austin, TX 78703 USA BOOKS WE’VE FEATURED: smart-books.tumblr.com/ ----------- It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D. Director: Joe Nicolosi Writer: Sarah Keartes Creative Director: David Schulte Editor/animator: Mark Rodriguez Producers: Stephanie Noone and Amanda Fox Produced by PBS Digital Studios Music via APM Stock images from Shutterstock www.shutterstock.com

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