A dental crown is designed to stay securely over a damaged or weakened tooth. When it suddenly comes out while you are eating, brushing or simply going about your day, it can be alarming.

The good news is that a loose or fallen crown does not always mean the tooth is lost or that you need an entirely new restoration. Knowing what to do can help protect the tooth until you see your dentist. Whether your crown is new or several years old, the most important step is to contact your dentist and arrange an appointment.

What Is a Dental Crown?

A dental crown is a custom-made restoration that fits over a tooth to restore its shape, strength and function. Crowns may be recommended for teeth with:

• Large fillings
• Significant decay
• Cracks
• Extensive damage
• Previous root canal treatment
• Severe wear

A crown helps protect a weakened tooth from further damage while letting it function normally.

Why Did My Dental Crown Fall Out?

• Normal wear. Crowns do not last forever, and the cement or bonding material holding one in place can weaken over time.
• Tooth decay. Decay can develop around or under a crown. If enough tooth structure is affected, the crown may lose its support.
• Trauma. An accident, fall, sports injury or hard bite can loosen or dislodge a crown.
• Teeth grinding. Repeated clenching or grinding puts significant pressure on crowns.
• Sticky or hard foods. Very sticky foods can pull on a restoration, particularly if the bond is already weakened.

Step 1: Stay Calm and Find the Crown

Carefully locate the crown and do not throw it away. Your dentist may be able to examine it and decide whether it can be reused or needs replacing. If it is dirty, rinse it gently with water but do not scrub it.

Step 2: Examine the Crown and Tooth

Look at the crown and the exposed tooth. Do not force the crown back into place if it does not fit easily. The tooth underneath may feel sensitive, especially to cold or pressure, because it is no longer protected. If the tooth looks broken, badly damaged or very painful, contact your dentist promptly.

Step 3: Call Your Dentist

Contact Rockville Family Dental as soon as possible through our contact page or by booking an appointment. Even if the crown does not hurt, the tooth should be evaluated. Your dentist needs to determine why the crown came off and whether the tooth is healthy enough to support it.

Step 4: Protect the Exposed Tooth

Until you are seen, avoid chewing directly on the exposed tooth. It may be more vulnerable to:

• Sensitivity
• Bacterial buildup
• Further damage
• Fracture

Keep brushing carefully and follow your normal hygiene routine unless your dentist says otherwise.

Step 5: Avoid Sticky and Hard Foods

Choose softer foods for now and avoid chewing on the affected side. Caramel, chewing gum, hard candy, ice and very hard foods can add stress to the exposed tooth.

Can You Put the Crown Back Yourself?

You should not permanently glue a crown back into place yourself. Household glues are not designed for use in the mouth and can damage tissues or complicate professional treatment. If your dentist specifically tells you to place the crown back over the tooth temporarily, follow their instructions carefully and use only a temporary dental cement recommended by a dental professional.

What Happens at the Dentist?

The first step is usually an examination of the crown and the tooth underneath. Your dentist may evaluate:

• The condition of the crown
• The remaining tooth structure
• Signs of decay
• Gum health
• The fit of the crown
• Your bite
• Possible cracks or fractures

Digital X-rays may also be recommended, depending on what your dentist finds.

Can a Fallen Crown Be Reattached?

Sometimes. If the crown is intact, fits properly and the tooth is healthy, your dentist may be able to clean the area and recement it. Reattachment is not always possible. A new crown may be needed if:

• The crown is cracked or damaged
• The crown no longer fits
• The tooth has significant decay
• The tooth has fractured
• The supporting structure has changed

What If the Tooth Under the Crown Is Broken?

A broken tooth under a crown needs professional evaluation. Treatment depends on how much of the tooth remains and where the fracture is. Depending on the situation, it may involve:

• A new crown
• A filling or buildup
• Root canal treatment
• A dental post and restoration in certain cases
• Tooth extraction when the tooth cannot be predictably restored

Your dentist will discuss the options after examining the tooth.

What If My Crown Falls Out After a Root Canal?

A tooth that has had root canal treatment may have lost a significant amount of natural structure, and a crown is often used to protect it. If that crown comes off, have the tooth evaluated promptly. Do not assume the tooth is fine because it does not hurt, as root canal-treated teeth may not respond to pain in the same way as untreated teeth.

What If the Crown Falls Out Without Pain?

You should still call your dentist. A lack of pain does not mean the tooth underneath is healthy. There may be decay, a crack, loss of tooth structure or a problem with the crown’s fit that needs attention.

How to Prevent a Dental Crown From Falling Out

Crowns can sometimes fail unexpectedly, but these habits may help protect them:

• Practice good oral hygiene. Brush twice a day and clean between your teeth daily, especially at the gumline around crowned teeth.
• Avoid chewing hard objects. Skip ice, pens, fingernails and similar items.
• Be careful with sticky foods. They place pulling forces on restorations.
• Address teeth grinding. Talk to your dentist, as a custom nightguard may help protect your teeth and restorations.
• Keep regular appointments. Routine dental check-ups let your dentist monitor your crown and the tooth supporting it.

When Is a Fallen Crown a Dental Emergency?

A fallen crown does not always need emergency treatment, but some symptoms call for more urgent attention. Contact your dentist promptly if you have:

• Severe tooth pain
• Significant or facial swelling
• Heavy bleeding
• A visibly fractured tooth
• Difficulty swallowing
• Signs of infection

If you have severe facial swelling or difficulty breathing, seek emergency medical care. For urgent situations, see our emergency dentist in Rockville, MD page, and read what counts as a dental emergency.

How Long Can You Leave a Crown Off?

It is best not to leave the tooth unprotected longer than necessary. The exposed tooth can be vulnerable to sensitivity, damage and bacterial buildup, and surrounding teeth can sometimes shift slightly, which may affect how well the original crown fits later. The sooner your dentist evaluates the tooth, the sooner you can decide on treatment.

Need a Dental Crown Repaired in Rockville, MD?

If your crown has fallen out, do not ignore it just because the tooth feels fine. Rockville Family Dental can evaluate the crown and the underlying tooth and decide whether the crown can be reattached or another restoration is needed. Book an appointment at our Rockville, MD office.

FAQ

What should I do if my dental crown falls out?

Save the crown, gently rinse it if needed, avoid chewing on the exposed tooth and contact your dentist as soon as possible. Do not use household glue to reattach it.

Can I put my crown back in temporarily?

In some situations a dentist may give specific instructions for temporarily placing a crown back over the tooth. Do not force it into place or use household adhesives.

Is it an emergency if my crown falls out but I have no pain?

It may not need emergency care if you have no concerning symptoms, but contact your dentist promptly. The tooth underneath may need protection or treatment even if it does not hurt.

Can a dentist reattach a crown that fell out?

Sometimes. If the crown is intact, fits correctly and the tooth is healthy, your dentist may be able to recement it. If the crown or tooth is damaged, replacement or additional treatment may be needed.

Why does my tooth hurt after my crown falls out?

The exposed tooth may be sensitive because it is no longer protected. Pain can also point to decay, damage or another problem that needs examination.

Can I eat normally while my crown is off?

It is generally best to avoid chewing on the affected side and choose softer foods until your dentist evaluates the tooth. Avoid sticky and hard foods.

How can I prevent my dental crown from falling out again?

Maintain good oral hygiene, avoid chewing hard objects, limit very sticky foods, address teeth grinding if applicable and attend regular checkups so your dentist can monitor the crown and supporting tooth.