Mind-Numbing Tooth Aches 4 Signs You Need a Root Canal Emma Sturgis, December 18, 2017 Mind-Numbing Tooth Aches 4 Signs You Need a Root Canal Mind-Numbing Tooth Aches 4 Signs You Need a Root Canal Emma Sturgis Emma is a freelance writer based in Boston, MA. She writes most often on health and education. When not writing, she enjoys reading and rock climbing. Say hi on Twitter @EmmaSturgis2