Why Your Teeth Are Sensitive Do you wince when you take a sip of coffee or a bite of ice cream? You're not alone. Tooth sensitivity is a sharp, sudden pain that makes everyday eating and drinking uncomfortable. It's often a sign that your teeth's protective enamel is wearing thin or your gums are receding, exposing the sensitive inner dentin. Don't ignore the discomfort—it's your body's way of telling you to seek professional care. Fortunately, lasting relief is available rig