It happens when you least expect it—you’re eating, brushing, or even talking, and suddenly, your dental crown fell out. Now what? Don’t panic. While it may feel like a dental emergency, the right next steps can make all the difference. Here’s what you need to know to protect your tooth and get it fixed quickly.
TL;DR:
A lost dental crown isn’t always an emergency, but quick, careful action can protect your tooth until a dentist can fix it. Clean and store the crown, and use temporary dental cement, denture adhesive, or toothpaste to re-seat it—never use superglue. Avoid chewing on that side, keep the area clean, and cover the tooth if needed. Crowns can fall out due to decay, worn cement, trauma, hard/sticky foods, or teeth grinding. Seek urgent dental care if you have severe pain, swelling, bleeding, visible damage, or difficulty eating/speaking. At the dentist, the crown may be reattached or replaced, with proper care extending its life to 10–15 years.
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Can You Fix a Dental Crown at Home Temporarily?
Yes—you can apply a temporary, short-term fix at home if your dental crown falls out, but it’s important to proceed with care. Start by locating the crown and gently cleaning both it and the exposed tooth using warm water to remove any debris.
To temporarily secure the crown, you can use over-the-counter temporary dental cement available at most pharmacies. If that’s not accessible, a small amount of toothpaste, denture adhesive, or even petroleum jelly can act as a short-term solution to help hold the crown in place. These methods are only meant to stabilize the crown until you can see a dentist.
Avoid using non-dental adhesives such as superglue. These are unsafe for use in the mouth and can interfere with your dentist’s ability to properly reattach the crown. Prompt professional care remains essential to ensure the crown is securely and safely restored.
Why Do Dental Crowns Fall Out in the First Place?
Dental crowns are designed to be durable, but several factors can cause them to come loose or fall out over time. Comprehending these causes can help prevent future issues and ensure your crown lasts as long as possible.
One common reason is decay under the crown. If bacteria reach the tooth structure or the cement margins beneath the crown, they can weaken the bond and compromise the fit. Similarly, worn or failed dental cement—gradually eroded by chewing forces or exposure to fluids—can cause the crown to detach.
Trauma or chewing hard or sticky foods can also dislodge a crown. Biting into hard candies, ice, or sticky snacks can create enough force to break the seal or damage the crown itself. In other cases, bruxism (teeth grinding) applies chronic stress to the crown, weakening its attachment over time.
Immediate Steps to Take When a Crown Falls Off
If your dental crown suddenly falls out, it can feel alarming—but there’s no need to panic. Acting quickly and carefully can protect the exposed tooth, reduce discomfort, and improve the chances that your dentist can successfully reattach the crown.
Steps to manage the situation:
- Stay calm and retrieve the crown: Store it in a clean, dry container for safekeeping.
- Clean the crown and your mouth: Rinse gently with warm water—avoid alcohol-based rinses that can irritate tissues.
- Inspect for damage: Look closely for chips or cracks in the crown before considering temporary reattachment.
- Temporarily re-seat the crown (if possible): Use over-the-counter dental cement, denture adhesive, or toothpaste to hold it in place.
- Protect the exposed tooth: If you can’t reattach the crown, cover sharp edges with dental wax or sugar-free gum.
- Avoid chewing on the affected side: Stick to soft foods and be cautious with hot or cold temperatures.
- Keep the area clean: Brush gently, avoid flossing near the crown, and rinse frequently with water or salt water.
- Bring the crown to your appointment: Your dentist may be able to reuse it, helping to avoid additional cost or delay.
These steps can help minimize discomfort and prevent further damage until you can receive professional care.
How to Protect the Tooth Until You See a Dentist
While you’re waiting to see a dentist after your dental crown has fallen out, taking a few careful steps can help protect the exposed tooth and reduce discomfort. These measures are important for preserving the tooth’s structure and preventing complications like decay, sensitivity, or shifting.
- Stick to a Soft Diet: Avoid biting or chewing with the affected tooth. Choose soft foods and chew on the opposite side of your mouth to minimize pressure on the exposed area.
- Cover the Tooth: Use dental wax, denture adhesive, or temporary dental cement to seal exposed dentin. This helps soothe sensitivity and creates a barrier against bacteria.
- Practice Gentle Oral Hygiene: Brush with a soft-bristled toothbrush, floss carefully by sliding the floss out rather than up, and rinse with warm salt water to keep the area clean without irritation.
- Manage Discomfort: If you’re experiencing pain, over-the-counter pain relievers like ibuprofen or acetaminophen can help. Clove oil may also be applied sparingly to ease sensitivity.
By following these steps, you can protect the tooth and surrounding tissues while waiting for your dental appointment, minimizing further damage and discomfort.
When to Seek Emergency Dental Care
A lost dental crown doesn’t always require urgent attention, certain symptoms and situations should not be ignored. Acting quickly when more serious issues are present can help prevent infection, protect the underlying tooth, and avoid further damage or discomfort. If you experience any of the following, it’s best to seek emergency dental care right away:
| Symptom or Situation | Why It Matters |
| Severe pain | May indicate nerve exposure or infection requiring prompt care. |
| Swelling in gums, face, or jaw | Could signal an infection that needs immediate attention. |
| Persistent bleeding | Uncontrolled bleeding may point to trauma or gum complications. |
| Visible damage to the exposed tooth | Sharp or cracked tooth surfaces can lead to further injury. |
| Difficulty eating, speaking, or closing mouth | Functional issues can worsen without professional intervention. |
What to Expect During a Crown Replacement Appointment
When you visit the dentist to address a lost crown, the process is straightforward and focused on restoring both function and comfort. The appointment begins with an evaluation, where the dentist examines the crown and tooth, taking X-rays if needed. This is followed by cleaning to remove old cement and prepare the tooth surface.
If the crown is still in good condition, reattachment may be possible. Otherwise, the dentist will take steps to fabricate a new crown. Once placed, adjustments are made to ensure proper fit, bite, and alignment.
Before you leave, you’ll receive aftercare instructions on oral hygiene, diet, and managing habits like bruxism. With good care, a permanent crown can last 10–15 years, with success rates up to 96% over a decade.
Sources.
Ganesh, P. S. (2020). Review of Dental Crowns and Their Wear Testing. Southern Illinois University at Carbondale.
Tian, S., Wang, M., Dai, N., Ma, H., Li, L., Fiorenza, L., … & Li, Y. (2021). DCPR-GAN: dental crown prosthesis restoration using two-stage generative adversarial networks. IEEE Journal of Biomedical and Health Informatics, 26(1), 151-160.
Anitua, E., Larrazabal Saez de Ibarra, N., Morales Martín, I., & Saracho Rotaeche, L. (2021). Influence of dental implant diameter and bone quality on the biomechanics of single-crown restoration. A finite element analysis. Dentistry journal, 9(9), 103.
Key Takeaways:
Temporary Fix at Home: You can re-seat the crown using over-the-counter dental cement, denture adhesive, or toothpaste—never superglue—until you see a dentist.
Common Causes: Crowns may fall out due to decay under the crown, worn or failed dental cement, trauma, chewing hard/sticky foods, or teeth grinding (bruxism).
Immediate Actions: Retrieve and clean the crown, inspect for damage, re-seat temporarily if possible, protect the exposed tooth, avoid chewing on that side, keep the area clean, and bring the crown to your dental appointment.
Tooth Protection Before Appointment: Eat soft foods, cover the tooth to reduce sensitivity, practice gentle oral hygiene, and manage discomfort with pain relievers or clove oil.
When to Seek Emergency Care: Severe pain, swelling, persistent bleeding, visible tooth damage, or difficulty eating/speaking require prompt dental attention.
Dental Visit Process: The dentist will assess the tooth and crown, clean the area, and either reattach the existing crown or create a new one. Adjustments ensure proper fit and bite.
Crown Longevity: With proper care, a permanent crown can last 10–15 years, with up to a 96% success rate over a decade.