A dental abscess is an infection at the base of a tooth. It means a pocket of pus has formed at the tip of a tooth root in your jaw bone. If the infection isn’t treated, it can spread to the gum near the tooth. This causes swelling and pain. More serious infections spread to the face. This causes your face to swell (cellulitis). This is a very serious condition. Once the swelling begins, it can spread quickly .A dental abscess usually starts with a crack or cavity in a tooth. The pain is often made worse by drinking hot or cold beverages, or biting on hard foods. The pain may spread from the tooth to your ear or the area of your jaw on the same side.
