If you experience sudden or gradual jaw pain on one side of your face, it’s normal to be concerned there’s a serious problem causing your discomfort. Although it can indicate a potential complication, it isn’t always something significant. Depending on the cause, you can wait to see your dentist, or you may need to head to the closest hospital. One-sided jaw pain can indicate a heart attack, especially in women. Here’s what you need to know to determine if it’s a dental issue or a medical emergency.