Routine dental visits and cleanings are a great way to catch tooth decay early and reduce the need for a root canal. Or, during this visit, a thorough exam can spot an issue before it begins to cause you pain. However, if you are experiencing any of the following symptoms, you should call Jay B. Lubliner, DMD as soon as possible for an appointment. A dull toothache Pain when chewing or biting Increased sensitivity to heat or cold