Why Do We Have Baby Teeth?

Have you ever lost a tooth? Or maybe you have teeth that are getting a little wiggly? It's all part of growing up! Join Jessi and Squeaks to learn why we lose our baby teeth and how we can take care of our new permanent teeth! Say "cheese!" ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/SciShow Or help support us by becoming our patron on Patreon:   / scishow   ---------- Looking for SciShow elsewhere on the internet? Facebook:   / scishow   Twitter:   / scishow   Tumblr:   / scishow   Instagram:   / thescishow   SOURCES: http://www.merckmanuals.com/professio... http://www.webmd.com/oral-health/guid... http://animaldiversity.org/collection... http://www.uic.edu/classes/orla/orla3...