When you drink a warm cup of coffee or bite into a popsicle, do you instantly pucker your lips or jolt your hand to your mouth because your teeth hurt? If you answered “yes,” it sounds like you’re experiencing tooth sensitivity. Although it’s a common problem, it can make you think twice when choosing foods and drinks. Thankfully, you don’t need to live with the discomfort. You can get the relief you need by addressing the root cause of the problem. Not sure what causes sensitive teeth? Here’s what you need to know to stop your pain.