Crown Fell Out and No Tooth Left: What to Do Next

A dental crown does not attach to the gum — it attaches to the remaining natural tooth structure that was reshaped (or "prepped") to support it. When a crown falls off and it appears that there is no tooth left, it usually means one of the following has happened:

When your crown falls off and you see little or no tooth underneath, take these steps right away:

1. Save the crown. Even if it looks like it cannot be reattached, bring it to your dental appointment. Your dentist needs to examine it — the inside of the crown can reveal whether it fell off due to decay, fracture, or cement failure.

2. Examine the area gently. Look in the mirror. Is there a dark stump, a sharp fragment, or does it look like there is nothing above the gum line? Do not probe the area with sharp objects.

3. Manage pain if needed. If the exposed area is sensitive, an over-the-counter pain reliever such as ibuprofen (Advil) or acetaminophen (Tylenol), taken as directed on the package label, can help; ask your dentist, doctor or pharmacist which is appropriate for you. Some people find an over-the-counter clove oil (eugenol) toothache product, used as its label directs, gives temporary comfort — it does not treat the tooth, and undiluted essential oil should not be put on the gum or tooth.

4. Protect the exposed area. If there is a sharp edge cutting your tongue or cheek, you can cover it temporarily with dental wax or sugar-free gum until you see your dentist. Do not use temporary dental cement or filling material over a broken or decayed stump, or anywhere there is pain or swelling — leave the area uncovered and let your dentist assess it.

5. Avoid chewing on that side. Do not bite down on the exposed area. Eat soft foods on the opposite side of your mouth.

6. Call your dentist. This is not a situation that can wait weeks. Call your dentist within 24 hours to schedule an appointment. If you are in severe pain, have swelling, or see signs of infection, request an emergency appointment.

At your appointment, your dentist will perform a thorough evaluation to determine what is left of the tooth and what can be done. This is a critical step — the treatment plan depends entirely on what is happening beneath the gum line.

Your treatment path depends on the condition of the root. Here are the options from least to most invasive (costs shown are typical US ranges and vary widely by region, provider and the details of your case):

Here is a summary of typical US cost ranges for each treatment path. Actual fees vary widely by region, provider and the details of your case, so treat these as rough estimates only:

| Treatment Path | Without Insurance | With Insurance (est.) |
|---------------|-------------------|----------------------|
| Post and core + new crown | $1,000-$2,300 | $400-$1,000 |
| Root canal + post/core + crown | $1,700-$3,800 | $700-$1,600 |
| Crown lengthening + new crown | $1,600-$3,800 | $700-$1,600 |
| Extraction only | $150-$400 | $50-$150 |
| Extraction + dental implant | $3,150-$6,400 | $1,500-$3,000 |
| Extraction + dental bridge | $2,150-$5,400 | $1,000-$2,500 |
| Extraction + partial denture | $650-$2,900 | $300-$1,200 |

Insurance considerations:

• Many dental insurance plans cover crowns as a "major" procedure, often paying around half after your deductible
• Crown lengthening is often partly covered as a periodontal procedure
• Dental implants are covered by some but not all insurance plans
• Extractions are typically covered at a higher rate as a "basic" procedure

If you do not have dental insurance, ask your dentist about payment plans or financing through services like CareCredit. Many offices also offer a cash-pay discount. Check your own plan for what it actually covers.

This is one of the first questions most patients ask — and the answer depends on why the crown came off:

If there is truly no tooth structure left — No. A crown cannot be cemented to nothing. The cement needs a solid tooth surface to bond to. If the tooth underneath has decayed away or fractured to the gum line, the old crown has nothing to grip. Attempting to recement it will result in the crown falling off again, usually within days or even hours.

If there is some tooth structure remaining — Possibly, but only as a temporary measure. Your dentist may be able to recement the old crown temporarily while you plan a more definitive treatment. However, if the crown came off because of decay, the decay must be removed first, which usually means there will be even less tooth structure remaining.

Important: Do not try to glue the crown back on yourself with superglue, household adhesive, or non-dental products. These can:

• Trap bacteria under the crown, accelerating infection
• Damage the remaining tooth and surrounding gum tissue
• Make it harder for your dentist to treat the tooth properly later
• Contain chemicals that are toxic to oral tissues

Over-the-counter temporary dental cement from a pharmacy is only meant for re-seating a crown onto a sound, painless tooth for a short time until a dental appointment, following the product instructions. It is not suitable when the tooth underneath has broken or decayed away, or when there is any pain or swelling — in that situation leave the crown off, keep it safe, and bring it to your dentist.

A crown falling off is usually not a medical emergency, but certain situations require urgent attention:

See your dentist within 24-48 hours if:

• The exposed area is painful or sensitive to air, food, or drinks
• You see a dark, decayed stump that may be at risk for infection
• Sharp edges are cutting your tongue or cheek
• The tooth next to the gap is shifting or feels loose

Seek same-day emergency dental care if:

• You have swelling in your face, jaw, or gums near the area
• There is pus or a foul taste coming from the exposed root
• You have a fever — this may indicate the exposed root is infected
• You are in severe, uncontrolled pain that over-the-counter medication is not managing

Call 911 or go to the emergency room if:

• Swelling is spreading to your neck or throat
• You are having difficulty breathing or swallowing
• You have a high fever with chills and confusion — possible signs of sepsis from a dental infection

A tooth with no crown is vulnerable to bacteria and further damage. Even if it does not hurt, the exposed root or decayed stump should be evaluated promptly to prevent infection from developing or worsening.

If you end up getting a new crown — either on the same tooth (with a post and core) or on an implant — you can take steps to protect it:

• Maintain excellent oral hygiene around the crown. Brush twice daily and floss around the crown carefully. Bacteria can still cause decay where the crown meets the natural tooth or gum line.
• Use an antibacterial mouthwash. Rinsing with a fluoride or antibacterial mouthwash helps reduce bacteria at the crown margins.
• Get regular dental checkups. Your dentist can catch early signs of cement failure, decay under the crown, or gum recession before they cause problems. X-rays every 1-2 years can reveal hidden decay under a crown.
• Wear a night guard if you grind your teeth. Bruxism (teeth grinding) places enormous stress on crowns and can cause the underlying tooth to fracture. A custom night guard from your dentist costs $300-$600 and can save thousands in future dental work.
• Avoid using your teeth as tools. Do not open packages, tear tape, or bite hard objects like ice, pen caps, or hard candy with crowned teeth.
• Address a loose crown immediately. If a crown ever feels loose, wobbly, or slightly "off," see your dentist right away. Catching a failing crown early — before the tooth underneath decays or fractures — gives you far more treatment options.