Cracked or Broken Tooth
Cracks range from harmless surface lines to fractures that need prompt treatment to save the tooth.
What is cracked or broken tooth?
Teeth can crack from biting hard food, grinding, large old fillings or injury. Some cracks cause pain only when biting or releasing; others break a piece off the tooth.
Common causes
- Biting hard foods, ice or bones
- Grinding and clenching
- Large fillings weakening the tooth
- Sports injuries or accidents
Symptoms
- Sharp pain when biting or releasing
- Sensitivity to cold
- A sharp edge
- A visible piece missing
How we treat it
Small chips can be smoothed or bonded. Larger cracks may need a crown. If the crack reaches the nerve, root canal treatment may be needed. Some split teeth cannot be saved.
Treatments that can help
Frequently asked questions
What should I do if I break a tooth?
Keep any pieces, rinse with warm water and call us. Avoid chewing on that side.
Can a cracked tooth heal?
No, cracks do not heal, but treatment can stop them getting worse.
Is it urgent? Call us the same day for severe pain, swelling or a knocked-out tooth. If swelling affects your breathing or swallowing, go to your nearest hospital emergency department or call 000.

