Toothache and swelling can occur at any time and suddenly. The discomfort can range from mild to severe, and hence will need immediate attention. The pain can affect not only your teeth, but also your ears, head, and jaws. You can experience a constant throbbing pain or it might come and go.
There can be multiple reasons behind toothache and swelling. From tooth decay to dental injuries, cracked teeth, a loose filling, pulp inflammation, etc. all can lead to swelling in the gums and jaws. Sinus infection and mouth ulcers can also cause painful teeth and swelling. In case, you feel any pain or swelling in your teeth, then visit your dentist immediately. They will conduct a thorough examination and will also ask for an X-ray if required.