First, rinse the irritated area with warm water and use floss to dislodge any food that might be stuck in the tooth or gums. Give the child acetaminophen (tylenol) for any pain, according to the weight/dosage chart on the bottle. Do NOT place an aspirin directly on the teeth or gums. If the face is swollen, place a cold compress on the area and call our office immediately. A swollen face is a sign of a very serious infection requiring prompt attention.