Whether you’re trying to enjoy some ice cream on your birthday, concentrate on the movie you’re watching, or just living your regular life, a toothache can be a major disruption. Toothaches can happen for a huge variety of reasons. Sometimes, they can be easy to treat at home with painkillers or a change in dental habits. Other times, they might be a symptom of a larger underlying problem or emergency that requires a trip to your dentist. If you’re currently dealing with a frustrating pain in the back of your mouth, this article may shed some light on the situation. Here are the top 5 most likely sources that are causing your tooth pain: