We all need to do it! Learn why we all should brush our teeth, and how brushing keeps our teeth strong and healthy!----------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/SciShowOr help support us by becoming our patron on Patreon:https://www.patreon.com/scishow----------Looking for SciShow elsewhere on the internet?Facebook: http://www.facebook.com/scishowTwitter: http://www.twitter.com/scishowTumblr: http://scishow.tumblr.comInstagram: http://instagram.com/thescishowSOURCES:http://www.ncbi.nlm.nih.gov/pmc/artic...http://health.howstuffworks.com/welln...http://news.wisc.edu/13760http://onlinelibrary.wiley.com/doi/10...http://mentalfloss.com/article/51348/...