What Should You Do If You Knock Out A Tooth?.

A knocked-out permanent tooth is a true dental emergency. The best chance of saving it comes from calm handling, moisture, and fast dental care. Touch only the crown, the white part normally visible in the mouth. Do not scrape, scrub, wrap the tooth in tissue, or let it dry on a counter. MouthHealthy gives similar first-aid guidance for knocked-out teeth and other dental emergencies, including the reminder to keep the tooth moist and call immediately.

First Five Minutes

1. Find the tooth. Pick it up by the crown only.
2. Rinse briefly if dirty. Use milk or clean water for a few seconds; do not scrub.
3. Try gentle replacement. For an adult tooth, place it back in the socket if it slips in easily.
4. If it will not seat, store it wet. Use milk, saliva, or a tooth-preservation kit.
5. Call for emergency dental care. Say when the injury happened and whether the tooth is permanent.

Moisture and gentle handling are the first treatment.

Baby Teeth Are Different

Do not place a knocked-out baby tooth back in the socket. Replanting a primary tooth can injure the developing permanent tooth underneath. A child still needs prompt evaluation for lip cuts, embedded fragments, jaw injury, and damage to neighboring teeth. If there was a fall, sports collision, loss of consciousness, vomiting, confusion, or trouble breathing, emergency medical care comes first, then dental follow-up.

Once you reach the dentist, expect an exam, X-rays, cleaning of the socket, and possibly a flexible splint that holds the tooth steady. A replanted permanent tooth often needs follow-up visits and may need root canal treatment later even when the first visit goes well. Keep every recheck; a quiet tooth can still have root or nerve changes that only show over time.

If the tooth was lost during sports or a fall, check the whole mouth before leaving the scene. Look for chipped neighboring teeth, cuts through the lip, loose orthodontic wires, and bite changes. A mouthguard, towel, or clean container can help protect the tooth during travel, but do not let searching for perfect supplies slow the call. The dental team can do more with an imperfectly stored tooth that arrives quickly than with a perfectly packed tooth that arrives hours later.

How To Choose The Next Call

For dental-only trauma, call a dentist and explain that a permanent tooth was avulsed. If you need a local option quickly, use find a dentist while another person keeps the tooth wet. For broader triage, read What Counts As A Dental Emergency?. If the tooth is cracked rather than out, see What Should You Do For A Cracked Tooth?. For facial impact or bite changes, When Is Jaw Pain A Dental Emergency? helps sort medical warning signs.

Practical Takeaway

A knocked-out permanent tooth should be handled like a time-sensitive injury, not a wait-and-see problem. Keep it moist, avoid root damage, and get dental help as quickly as possible.