There are many reasons why a tooth might hurt, including cavities, cracks, and impaction (when a tooth doesn't fully come up out of the gums). If these conditions are left untreated, a person can even ...
It's time to see a dentist when: Your tooth pain lasts more than two days. The pain does not go away with oral painkillers. You have pain that makes it difficult to chew or eat. You have red gums, a ...