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Knocked-out or loosened tooth (dental injury)

Also called: Knocked-out tooth, avulsed tooth, loose tooth from injury

An adult tooth knocked out can often be saved if put back within 30 to 60 minutes.

TimeUnder 60 minutes
Hold byThe crown, not the root
Store inMilk or the person's cheek

Overview

Don't replant baby teeth.

Symptoms

Common signs:

  • Knocked-out or loose tooth

When to get medical care

Call 911Heavy bleeding, jaw injury, or head injury.
Get care todayKnocked-out adult tooth: see a dentist now.
See a doctor soonLoose tooth after injury.

Causes

Injury.

Who is more likely to get it

  • Sports

Diagnosis

A dentist examines.

Tests

Tests, if needed:

  • Dental X-ray:

Treatment

Act fast.

Self-care

  • Pick up by the crown
  • Rinse briefly in milk
  • Push it back in place and bite on gauze
  • Or keep it in milk

Medicines

Medicines that may help:

MedicineHelps withGood to know
Pain relievers
Pain and swellingAsk first if you have kidney, stomach, or heart problems.

OwieClear doesn't give doses: follow the label or your healthcare professional. Medicine names here are examples, not a full list.

Prevention

To prevent:

  • Mouth guard

Which doctor treats this

  • See a dentist right away, within 30 minutes if you can. Go to the ER if you can't reach one.

Back to school, work, or sports

  • Most people can go back to school or work the same day or the next day.

Outlook

Often savable.

Research studies

Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.

Search ClinicalTrials.gov for studies on Knocked-out or loosened tooth (dental injury)

Sources

Last updated 2026-11-12.