What to do about the pain until you can see a dentist
Most toothaches are a sign of decay-that is, of tooth deterioration caused by acids formed in the mouth by bacterial breakdown of sugars. (For measures to reduce this risk, especially in children. Decay begins with erosion of the enamel, the tooth’s hard outer covering; a small cavity forms. Untreated, decay can progress to the pulp. or heart, of the tooth, which contains nerves and blood vessels. See a dentist promptly about any toothache, however mild.