What to Do if You Knock Out a Tooth: A Step-by-Step Guide

Key Takeaways

• A knocked out tooth (also called dental avulsion) is one of the most serious dental emergencies and requires immediate action.
• How you handle the tooth in the first minutes can determine whether it can be saved.
• The steps differ for a baby tooth versus a permanent tooth.
• Seeing a dentist immediately gives the best chance of successful reimplantation and long-term oral health.

Introduction

A knocked out tooth can happen in seconds — during contact sports, a fall, a sports injury, or an accident at home. The shock alone can make it hard to think clearly, but what you do next matters enormously.

Dental avulsion is time-critical. The delicate root cells on the root surface begin to die quickly if the tooth becomes dry. Acting fast, keeping the tooth moist, and getting urgent dental care as soon as possible can mean the difference between saving the tooth and dealing with missing teeth long term.

This step-by-step guide explains exactly what to do if a tooth is knocked out, when to put the tooth back, how to store it safely, and when to seek emergency dental care.

Step 1: Take a Deep Breath and Act Immediately

First, take a deep breath and check for other injuries. If there is a head injury, heavy bleeding, or loss of consciousness, go to the emergency room first.

If the main issue is the tooth knocked out, you need to act fast. Immediate action gives the best chance to save a tooth.

Step 2: Pick Up the Tooth Correctly

If you can see the tooth, pick up the tooth carefully.

• Always hold the tooth by the crown, never by the root
• Avoid touching the root surface or scraping off delicate cells
• Do not scrub or clean the tooth with chemicals

Holding the tooth incorrectly can damage the root cells that are essential for reimplantation.

Step 3: Gently Rinse the Tooth (If Dirty)

If the tooth has dirt on it:

• Gently rinse the tooth for a few seconds only
• Use saline solution or clean water
• Do not scrub, soak, or wipe the tooth dry

This step helps remove debris while protecting the root cells.

Step 4: Check if It’s a Baby Tooth or Permanent Tooth

This step is critical.

If It’s a Baby Tooth

A baby tooth should not be put back into the socket. Reimplanting a baby tooth can damage the developing permanent tooth underneath.

Even though baby teeth will eventually fall out, losing one early can still affect oral health, spacing, and surrounding teeth. You should still see a dentist as soon as possible for assessment and follow-up appointments.

If It’s a Permanent Tooth

A permanent tooth should be replanted if possible. Adult teeth are meant to last a lifetime, and fast action can save the tooth.

Step 5: Put the Tooth Back (If Possible)

If the tooth is a permanent tooth and the person is alert:

• Make sure the tooth is facing the correct way
• Gently push the tooth back into the socket immediately
• Ask the person to hold it in place by gently biting on a clean cloth

This helps stabilise the tooth while you seek immediate dental care.

If you cannot put the tooth back, move to the next step.

Step 6: Keep the Tooth Moist at All Times

A tooth that becomes dry has a much lower chance of survival.

If the tooth is out of the mouth:

• Keep the tooth moist
• Place it in saline solution, milk, or the person’s saliva
• You can wrap it loosely in plastic wrap with moisture if needed
• Never store the tooth dry

Avoid tap water storage for long periods, as it can damage root cells.

Step 7: Get to a Dentist Immediately

Dental avulsion is one of the most time-sensitive dental emergencies. You should see a dentist immediately — ideally within 30–60 minutes.

Contact a dental professional and request an emergency appointment. The dentist will assess the tooth, surrounding teeth, and adjacent teeth, and determine whether reimplantation is possible.

In some cases, treatment may include:

• Reimplantation procedure and stabilisation
• Root canal treatment at a later stage
• Follow up appointments and regular follow up appointments to monitor healing
• Discussion of dental implants or dental bridges if the tooth cannot be saved

What to Expect After Emergency Dental Care

If the tooth is reimplanted successfully, it is called a reimplanted tooth. Ongoing care is essential to prevent infection and protect oral health.

Your dentist may recommend:

• Eating soft foods and avoiding pressure on the area
• Pain relief and ways to manage pain
• Monitoring the surrounding teeth and gum healing
• Additional dental surgery or treatment if complications arise

Common Causes of Knocked Out Teeth

Knocked out teeth are often caused by:

• Contact sports without mouthguards
• Sports injury or accidents
• Falls or collisions
• Dental injury from trauma

Wearing a mouthguard is one of the best protection methods for adult teeth during sport.

When to Seek Emergency Dental Care

You should seek emergency dental care if:

• A tooth is knocked out
• There is severe pain
• Multiple teeth or other teeth are affected
• There is bleeding that won’t stop

Prompt dental care gives the best chance to save the tooth and prevent long-term dental complications.

When to Make an Emergency Appointment

If you or your child has a knocked out tooth, don’t wait. Immediate attention is essential.

Located in the Perth CBD on St Georges Terrace, Perth City Dental prioritises emergency dental cases and aims to provide immediate dental care whenever possible.

Call the clinic straight away to request an emergency appointment and get clear instructions on what to do next.

Final Thoughts

A knocked out tooth is frightening, but knowing what to do can truly save the tooth. Acting quickly, handling the tooth correctly, and seeing a dentist as soon as possible are the most important steps.

Whether the injury involves a baby tooth or a permanent tooth, prompt dental attention protects oral health and reduces the risk of long-term problems.

If in doubt, always err on the side of urgency — it’s one of the few situations in dentistry where minutes genuinely matter.