Step-by-Step First Aid for a Knocked-Out Tooth
The following sequence directly determines whether the tooth can be saved.
1. Find the tooth and hold it correctly
Hold the tooth only by the crown. Never touch the root surface, where the periodontal ligament cells essential for reattachment are located.
2. Rinse briefly only if needed
If contaminated, rinse for no more than ten seconds under clean water or milk — just let it run, never scrub. Prolonged tap water destroys the cell membranes.
3. Reposition it if you can
The socket is the best storage. Insert it gently the right way round and hold it with gauze. Do not force it, and do not attempt this in an unconscious, very young or panicking patient.
4. If you cannot, store it correctly
Storage media in order of preference:
- Milk — the most available and suitable medium
- Saline — available from a pharmacy
- The patient's own saliva — held inside the cheek where there is no risk of swallowing
- Tap water — only if nothing else is available, and briefly
- Leaving it DRY — the worst option; cells die within minutes
5. Come without losing time
Call us on your way and tell us how the trauma happened, how much time has passed and how you stored the tooth. With head injury or loss of consciousness, go to hospital first — the tooth can wait in proper storage.
The Critical Difference Between Milk and Permanent Teeth
This distinction changes everything, and the wrong action can cause permanent damage.
A milk tooth is never replanted
A knocked-out milk tooth must never be put back: the developing permanent tooth bud lies just beneath the root, and pushing the milk tooth back can permanently damage its enamel, shape or eruption.
How to tell which it is
Milk teeth are smaller and whiter with short or resorbed roots. If unsure, do not decide — store it in milk and bring it; we will tell.
How a Knocked-Out Tooth Is Treated at the Clinic
Treatment consists of replanting the tooth and creating the conditions for healing. Follow-up matters as much as the procedure.
Replantation and splinting
The socket is cleaned and the tooth positioned correctly, then splinted flexibly to neighbouring teeth for a few weeks. Flexibility matters: slight movement helps the ligament heal and reduces the risk of ankylosis.
Radiographs and additional assessment
Radiographs assess root fracture, bone damage and hidden trauma to neighbouring teeth. Tetanus status is also checked.
Timing of root canal treatment
In fully developed teeth the pulp usually loses vitality after replantation, so root canal treatment is planned after a set interval. In immature teeth the pulp may revascularise and is monitored.
Why long-term follow-up is essential
Root resorption can appear months or years later and progresses silently, detectable only on regular radiographs. Early detection allows intervention.
