As you leave for work, you notice a tooth beginning to ache. Unsure of what could be the problem, you take some pain reliever and head out the door. Throughout the day, the nagging discomfort grows more severe, and you begin to wonder why. By the time you arrive home, all you want to do is remove it and be free from the pain. The reason for your toothache can be tied back to many different problems, some not so serious and others potentially dangerous to your oral health. If you’re wondering what can cause a toothache, let a dentist explain and offer ways to find relief.