Cracked or Chipped Tooth: What to Do Next
Quick answer: A cracked or chipped tooth should be checked by a dentist, especially with pain on biting, cold sensitivity, swelling or a sharp edge. Small chips may be smoothed or rebuilt; deeper cracks may need a filling, crown, root canal treatment or another plan based on the diagnosis.
Reviewed by Dr. Kant Oektem. Last updated: May 2026.
Key points
- A cracked tooth may hurt when biting, releasing bite pressure or drinking something cold.
- A small chip is usually less urgent than a loose, displaced or very painful tooth.
- Deep cracks can irritate the pulp and may require root canal treatment or another restoration.
- A sharp edge should be protected until the appointment to avoid irritating the tongue or cheek.
- Grinding, hard foods, large fillings and dental trauma can increase crack risk.
Signs that a tooth may be cracked
Cracks are not always visible. Some patients mainly notice short pain when chewing, pain when bite pressure is released, cold sensitivity or a rough edge after biting something hard.
The important question is whether the defect is superficial or deep. Online photos cannot reliably answer that, because crack direction, fillings, the root and the dental pulp all matter.
- Short sharp pain when biting or releasing the bite.
- New one-sided sensitivity to cold or heat.
- A rough, sharp or moving tooth edge.
- A visible fragment after trauma or a hard bite.
- Swelling, pressure or throbbing pain as warning signs.
What to do before the appointment
If a fragment broke off, keep it moist and bring it to the appointment. Chew on the other side and avoid very hard foods until the tooth has been assessed.
Do not wait if swelling, fever, severe pain, trauma, a loose tooth or swallowing problems are present. In those situations, call the practice or the appropriate emergency service for urgent guidance.
- Rinse the mouth gently with warm water.
- Store a broken fragment in milk or keep it clean and moist.
- Do not file, glue or repair the tooth yourself.
- Do not place aspirin directly on the tooth or gums.
- Seek urgent help if swelling or general symptoms increase.
Possible dental treatment options
Treatment depends on the size, position and depth of the defect. Small edges may be smoothed or rebuilt with composite. Larger defects often need a filling, partial crown or crown to stabilize the tooth.
If the crack reaches the pulp or the pulp becomes inflamed, root canal treatment may be discussed. If a crack extends unfavorably below the gumline, the prognosis needs careful individual explanation.
Why early assessment matters
A cracked tooth does not repair itself. Symptoms can come and go while chewing forces continue to irritate the crack. Earlier diagnosis can help choose an appropriate restoration before more tooth structure is lost.
Depending on the case, assessment may include visual inspection, cold testing, bite testing, X-rays and checking existing fillings or crowns. Sometimes several findings are needed before the diagnosis is clear.
Related topics at the practice
Depending on the diagnosis, these guides may help: dental emergency, crowns and tooth replacement, bruxism, sensitive teeth, FAQ or contact the practice.
FAQ
Is a cracked tooth always an emergency?
Not every crack is an immediate emergency. Urgent assessment is needed with severe pain, swelling, trauma, a loose tooth, visible displacement or swallowing problems. A small rough edge may wait for normal opening hours, but it should still be checked.
Can a cracked tooth repair itself?
A crack in tooth structure does not close like a broken bone. Symptoms may vary, but chewing forces can still stress the tooth. A dentist should assess whether smoothing, bonding, a crown, a guard or further diagnostics are appropriate.
What should I do with a broken fragment?
Keep the fragment moist, for example in milk, and bring it with you. Avoid chewing on that tooth and do not glue anything back yourself. Call promptly if pain, bleeding, swelling or tooth looseness is present.
When does a crack need root canal treatment?
Root canal treatment may be needed if a crack or break irritates the pulp or lets bacteria reach the nerve space. Persistent pain, strong heat sensitivity, biting pain, swelling or abnormal test results can make this discussion necessary.
How can I reduce future tooth cracks?
Not all cracks can be prevented. Useful steps include wearing a mouthguard for contact sports, avoiding hard objects such as ice or kernels, checking teeth grinding and monitoring large fillings or crowns during regular dental visits.
Medical context and sources
These references support patient orientation and do not replace diagnosis, examination or individual treatment planning.
- American Dental Association: Dental emergencies
- American Dental Association: Root canals
- NHS: Knocked-out tooth
- Mayo Clinic: Tooth loss first aid
- KZBV: Root canal treatment