Toothache is a pain in or around a tooth. Minor toothaches can come from a temporary gum irritation that you can treat at home. More serious toothaches are caused by dental and mouth problems that won’t get better on their own and will need to be treated by a dentist. The pulp inside your tooth is soft material filled with nerves, tissues and blood vessels. These pulp nerves are among the most sensitive in your body. When these nerves are irritated or infected by bacteria (abscess), they can cau