When a dental emergency strikes, whether it’s a knocked-out tooth, severe pain, or facial swelling, it can be hard to know where to turn first. Many people wonder, “Should I go to the emergency room (ER) for this?” The short answer is: it depends on the situation. While the ER can help in some cases, many dental emergencies are best handled by a dentist, especially one who offers emergency appointments.

Here’s a guide to help you decide when to head to the ER and when to call your dentist instead.