Toothache: Pain in the tooth or gum. The most common cause of a toothache is a cavity or an injury to a tooth that exposes the pulp, which is heavily supplied by nerves. SLIDESHOW Mouth Problems: TMJ, Canker Sores, Painful Gums and More See Slideshow From Oral Health Resources Bad Breath: See How to Stop ItNatural Ways to Whiten Your Teeth Featured Centers What Are the Best PsA Treatments for You?Understanding Biologics 10 Things People With Depression Wish You Knew Health Solutions From Our Sponsors Shot-Free MS Treatment Your Child and COVID-19
