Dental Trauma
An injury from an accident, leakage around a loose or old filling or a heavy blow to the teeth from a sporting injury, can all cause damage to the tooth's pulp even if the tooth itself has not sustained any noticeable damage such as a chip or a crack. More severe forms of trauma can result in fractured, displaced or avulsed ("knocked out") teeth. Most traumatic injuries occur in children although anyone can suffer trauma to their teeth.
The treatment is determined by the severity and classification of the injury and can range from simply monitoring the traumatized teeth over time to repositioning or replanting loose or avulsed teeth. Many traumatic injuries injure the pulp of the tooth as well as its supporting structures in the jawbone. When the pulp becomes injured or infected from the trauma, endodontic treatment may be necessary to allow healing.
For more information on trauma please visit:
AAE
Dental Trauma Guide