Broken Crown Emergency? Expert Tips for Repair and Care

A broken dental crown can be alarming — whether it's chipped, cracked, fallen off entirely, or fractured the underlying tooth. This article covers what to do immediately, what your dental treatment options are, and how to prevent recurrence. With prompt appropriate action, most broken crown situations can be successfully managed.
Broken Crown: What To Do First
If your dental crown breaks or comes off, save all pieces, avoid chewing on that side, keep the area clean, and contact your dentist promptly. Whether the crown can be re-cemented, repaired or needs replacement depends on the type and extent of damage. Don't attempt DIY repair — temporary materials are available from pharmacies if you can't see your dentist immediately.
Types of Crown Damage
Different scenarios:
Crown completely off:
- Crown intact, exposed tooth underneath.
- Usually re-cementable if tooth structure adequate.
- Most straightforward situation.
Crown chipped:
- Small piece broken off.
- May or may not need repair depending on size.
- Sometimes left untreated if not problematic.
Crown cracked:
- Visible crack but still in place.
- May be repairable temporarily.
- Often needs replacement eventually.
Crown fractured:
- Significant break in crown structure.
- Usually requires replacement.
Tooth fractured under crown:
- More serious situation.
- May need root canal or extraction.
- Treatment more complex.
Immediate Self-Care
Steps to take:
1. Save all pieces of the crown.
2. Rinse pieces gently to clean.
3. Don't try to glue with household products.
4. Avoid chewing on affected side.
5. Keep area clean with gentle brushing.
6. Cover sharp edges with sugar-free gum or dental wax.
7. Pain relief with paracetamol/ibuprofen if needed.
8. Contact dentist within 24 hours if possible.
Temporary Solutions
If can't see dentist immediately:
Pharmacy temporary materials:
- Temporary cement (e.g., Toofypegs, Recapit).
- Available without prescription.
- For temporarily holding crown in place.
- Not for long-term use.
- Follow product instructions carefully.
How to use:
- Clean inside of crown.
- Clean tooth surface.
- Apply small amount of temporary cement.
- Press crown into place.
- Bite gently to seat properly.
- Hold position briefly.
Important warnings:
- Temporary only — see dentist within days.
- Don't use superglue or other household adhesives.
- If crown won't stay in, don't force it.
When to Seek Emergency Care
Same-day or urgent care needed if:
- Significant pain.
- Sharp edges cutting tongue or cheek.
- Bleeding that doesn't stop.
- Tooth structure exposed and sensitive.
- Swelling in surrounding tissue.
- Fever suggesting infection.
- Front tooth affecting appearance.
Most broken crowns aren't true emergencies but warrant prompt attention.
Why Crowns Break
Common causes:
Material failure:
- Old crown (10+ years).
- Inappropriate material for situation.
- Manufacturing defects.
- Cement failure under crown.
Patient factors:
- Grinding (bruxism).
- Hard food contact.
- Trauma.
- Habits (nail biting, ice chewing).
Underlying tooth issues:
- Decay under crown weakening structure.
- Root crack.
- Infection compromising tooth.
- Poor original tooth preparation.
Identifying cause helps prevent recurrence.
Professional Treatment Options
What your dentist may recommend:
If crown is intact:
- Re-cementation if tooth and crown both sound.
- Crown re-fitting with adjustment if needed.
- New cement appropriate for situation.
If crown damaged but tooth intact:
- Repair with composite material in some cases.
- New crown for significant damage.
- Different material if previous failed.
If tooth damaged:
- Root canal if nerve involved.
- Build-up of tooth structure.
- New crown with adequate foundation.
- Extraction if tooth not restorable.
- Implant or bridge for replacement.
For replacement options, see our restorative dentistry information.
Crown Material Choices
When replacing:
Porcelain-fused-to-metal (PFM):
- Strong and durable.
- Aesthetic limitations (metal margin sometimes visible).
- Established long-term success.
- Cost: £400-£800.
All-ceramic (zirconia, e.max):
- Excellent aesthetics.
- Strong with modern materials.
- No metal.
- Cost: £600-£1,200.
Gold:
- Excellent for back teeth.
- Less aesthetic concern (back of mouth).
- Outstanding longevity.
- Cost: £600-£1,200.
Resin:
- Lower cost option.
- Less durable.
- Used in temporary or specific situations.
- Cost: £200-£400.
For cosmetic considerations, see our cosmetic dentistry information.
What If Tooth Is Cracked Underneath
Serious complication:
Diagnosis:
- May be visible on X-ray.
- Sometimes only confirmed with crown removal.
- Symptoms may be subtle.
Treatment options:
- Sealing crack if early/superficial.
- Root canal if nerve involved.
- Extraction if crack significant.
- New crown with adequate support if possible.
Prognosis:
- Variable based on crack location and extent.
- Some teeth saved successfully.
- Others require extraction.
If extraction needed, replacement options should be discussed promptly.
Cost Considerations
Realistic 2026 UK costs:
- Re-cementation: £80-£200.
- Crown repair: £150-£400.
- New crown: £400-£1,200.
- Root canal + new crown: £900-£2,400.
- Extraction + implant: £3,000-£4,500.
- Extraction + bridge: £1,500-£3,500.
NHS coverage available for many situations on Band 2 (£71.70) or Band 3 (£311).
Prevention of Future Crown Problems
Strategies to extend crown life:
Daily care:
- Excellent oral hygiene — flossing essential at crown margins.
- Soft-bristled brush to prevent gum recession exposing margins.
- Fluoride for crown tooth.
Habit modification:
- Avoid chewing ice or hard objects.
- Address grinding with night guard if present — see our tooth grinding information.
- Don't use teeth as tools.
Professional care:
- Regular check-ups to catch issues early.
- Hygiene visits every 3-6 months — see our hygienist services.
- Address gum disease promptly.
- Update old crowns before failure when appropriate.
Long-Term Crown Lifespans
Realistic expectations:
- Average crown lifespan: 10-15 years.
- Well-cared-for crowns: 15-25+ years.
- Heavy use/poor care: 5-10 years.
- Various failure modes: decay at margins, cement failure, fracture, root canal need.
Most crowns will eventually need replacement. Plan for this rather than expecting permanence.
When Replacement Is Better
Sometimes new crown beats repair:
- Old crown (10+ years).
- Multiple previous repairs.
- Aesthetic concerns.
- Recurrent decay at margins.
- Material failure pattern.
- Underlying tooth issues requiring access.
Comprehensive assessment guides decision-making.
Insurance Considerations
For UK patients:
NHS:
- Crown placement on Band 3 (£311).
- Repairs typically Band 2 (£71.70).
- Generally available within reasonable timeframes.
Private insurance:
- Crown coverage varies significantly.
- Check policy terms.
- Annual maximum considerations.
Practice plans:
- Often include some discount.
- See our dental membership options.
Long-Term Care After Crown
Sustained success requires:
- Regular professional care.
- Excellent home hygiene.
- Address habits that stress crowns.
- Periodic assessment of crown condition.
- Prompt action if issues arise.
Investment in quality crowns pays dividends in longevity.
Key Points to Remember
- Save all pieces of broken crown.
- Don't use household adhesives for repair.
- Temporary cement available from pharmacies.
- See dentist promptly for definitive treatment.
- Multiple options exist for different situations.
- Underlying tooth issues may complicate treatment.
Frequently Asked Questions
Can I just glue my crown back on with superglue?
Strongly discouraged for several reasons:
- Toxic if ingested — household glues aren't food-safe
- Doesn't bond properly — different chemistry from dental cement
- Damages crown and tooth — can affect future professional repair
- Often fails quickly — temporary at best
- Can complicate professional treatment
If you can't see your dentist immediately, pharmacy temporary cements are designed for this purpose, work better and are safe. Most major pharmacies stock products like Toofypegs or Recapit. These provide temporary holding until professional treatment, typically within days.
How long can I wait before getting my crown fixed?
Timeframes depend on situation:
- Front tooth, aesthetic issue: Same week ideally
- Back tooth, minimal discomfort, no sensitivity: Within 2-4 weeks acceptable
- Sensitive tooth, mild discomfort: Within 1 week
- Pain or significant discomfort: Within 24-48 hours
- Sharp edges cutting tongue: Same day
- Swelling, fever, infection signs: Same day urgent
Delay risks include:
- Tooth structure damage from exposed surface
- Decay developing on exposed tooth
- Adjacent tooth shifting
- More complex repair needed
When in doubt, call your dentist for advice on urgency.
Will my dentist re-cement the same crown or need to make new?
Depends on assessment:
Same crown can be re-cemented if:
- Crown is intact
- Underlying tooth is sound
- Crown still fits well
- Original cement failure was the cause
New crown needed if:
- Crown is damaged
- Underlying tooth has changed
- Original crown was old/failing
- Better material now appropriate
- Aesthetic concerns
Many broken crown situations can be re-cemented successfully, particularly when the tooth structure is intact and the crown came off cleanly. Your dentist will assess and discuss options.
Could I have caused the crown to break?
Possible contributing factors:
- Hard food contact — nuts, ice, hard sweets
- Grinding habits — often unconscious
- Using teeth as tools — opening packages, biting nails
- Poor cleaning allowing decay underneath
- Trauma from accidents
That said, crowns also fail from:
- Age and material degradation
- Decay developing under crown
- Underlying tooth changes
- Cement aging
- Original technical issues
Don't blame yourself excessively for a broken crown — it often has multiple contributing factors. Focus on identifying preventable factors for future protection.
What if the tooth underneath is damaged?
This complicates treatment. Possibilities include:
Minor tooth damage:
- Build-up to restore tooth structure
- New crown placement
- Often successful with appropriate restoration
Significant tooth fracture:
- Root canal if nerve involved
- More complex tooth restoration
- Long-term prognosis depends on extent
Severe damage:
- Tooth may need extraction
- Replacement options: implant, bridge, partial denture
- Discussion of alternatives
Your dentist will assess underlying tooth condition with examination and X-rays. Sometimes the situation is only fully clear after crown removal. Prepare for various scenarios when discussing treatment.
Should I expect my crown to last longer than this?
Realistic expectations:
- 10-15 year average lifespan
- Some last 20+ years
- Some fail within 5 years
- Various failure modes beyond breaking
If your crown failed in under 5 years, factors might include:
- Original technical issues
- Material choice questions
- Underlying tooth issues
- Heavy use patterns
- Inadequate maintenance
If under warranty period (some practices guarantee crowns 1-5 years), discuss this with your dentist. Document the failure and timeframe. While not always covered, sometimes practices reduce or eliminate replacement costs for early failures. Otherwise, focus on appropriate replacement and future prevention.
Conclusion
A broken crown is disruptive but rarely a true emergency. With prompt sensible action — saving pieces, avoiding the area, using temporary materials if needed, and contacting your dentist — most broken crowns can be successfully addressed. Whether through re-cementation, repair or replacement, options exist for most situations.
For specific advice about your situation, dental assessment provides personalised treatment options. Dental symptoms and treatment options should always be assessed individually during a clinical examination.
Disclaimer:
This article is intended for general educational purposes only and does not constitute personalised dental advice. Individual diagnosis and treatment recommendations require a clinical examination by a qualified dental professional.
Written Date: 2nd May 2026
Next Review Date: 2nd May 2027
Adult Braces London Team
Written by our GDC-registered dental team and verified for accuracy. This article reflects current clinical guidance for adult orthodontic treatment in the UK.
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