Optimal Management of Avulsed Permanent Tooth
Immediate On-Site Management
- The American Heart Association recommends immediate replantation of the avulsed tooth at the scene by rinsing it briefly under cold water for less than 10 seconds, handling only the crown, then repositioning it in the socket and having the patient bite on a cloth to hold it in place until emergency dental care is obtained 1, 2
- The American Academy of Pediatrics guidelines emphasize handling the tooth by the crown only—never touch the root surface, as it is covered with fragile periodontal ligament fibroblasts essential for successful reattachment 2, 3
- Confirmation that the tooth is a permanent tooth (not primary) is crucial, especially at age 14, when it will be permanent 2, 3
- If the tooth is dirty, rinsing it briefly under cold running water for less than 10 seconds is recommended before immediate repositioning in the socket 1, 2
- The patient should bite down on a clean cloth or gauze to hold the tooth in position after replantation 2, 3
- The likelihood of successful reimplantation decreases rapidly with every minute the tooth remains out of the socket, particularly as the periodontal ligament cells die 1, 4
Storage Medium Hierarchy
- The American Heart Association recommends Hanks Balanced Salt Solution as the best storage medium for an avulsed tooth, followed by oral rehydration salt solutions, propolis, and rice water (if preprepared) 1, 4
- Cold cow's milk is an acceptable alternative storage medium, especially if other options are not available 1, 2, 3
- Tap water should never be used for storing an avulsed tooth, as it causes osmotic lysis of the root fibroblasts and significantly worsens prognosis 1, 2, 5
Managing the Oral Bleeding
- The American Academy of Pediatrics recommends applying direct pressure with clean gauze or cloth to the bleeding socket to control bleeding 2
- Copious bleeding from the gingival tissues and alveolar socket is expected and should be managed simultaneously with the avulsed tooth 2
- Control of bleeding is crucial while managing the avulsed tooth 1
Immediate Transport and Follow-Up
- The American Heart Association and the American Academy of Pediatrics emphasize seeking emergency dental care immediately, whether or not replantation was successful 1, 2
- Bringing the tooth to the emergency dental care if it was not replanted is recommended 1
- A flexible splint will need to be placed by the dentist for up to 2 weeks after replantation 2, 3
- Most avulsed teeth will require root canal therapy within 7-10 days after replantation 2, 3
Antibiotic Prophylaxis
- The American Academy of Pediatrics recommends doxycycline as the systemic antibiotic after reimplantation for children over 12 years old 2, 3, 6
- For children under 12 years old, penicillin is recommended, or clindamycin if penicillin-allergic 2, 3
Critical Pitfalls to Avoid
- Delaying replantation to search for storage media is not recommended, as immediate replantation is always superior 1, 2
- Scrubbing or handling the root surface damages the periodontal ligament cells and should be avoided 2, 3
- Storing the tooth in tap water is specifically contraindicated due to its harmful effects on the root fibroblasts 1, 2
- Allowing the tooth to dry out is critical, as extra-alveolar dry time is the most critical prognostic factor 1, 4