A tooth fracture is a break or crack in the hard shell of the tooth. The outer shell of the tooth is called the enamel. It protects the softer inner pulp of the tooth that contains nerves and blood vessels. Depending on the type of fracture, the tooth may not cause any problems or it may cause pain.
Types of tooth fractures include:
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Chewing on hard foods or accidentally biting down on a hard object can lead to a crack in the tooth. Teeth can also be fractured with a blow to the face that can occur with a car accident or during a sporting event.
Tooth fractures are more common in older adults because teeth wear down over time.
Factors that may increase your risk of tooth fractures include:
Not all tooth fractures cause symptoms. For example, craze lines rarely cause problems.
Other fractures may expose the sensitive pulp to fluid, food, and bacteria in the mouth. It can cause irritation or infection in the pulp. This can lead to:
Vertical root fractures may not be noticed until a bone or gum infection develops.
A fracture may not be seen with the naked eye. Your dentist will ask about your symptoms. You may be asked:
You may not able to identify the exact tooth that has a fracture. Your dentist will look for the fracture based on your feedback. To help locate the fracture or determine the extent of the fracture, your dentist may do the following tests:
Early diagnosis may help save the tooth before the fracture progresses.
Teeth cannot heal. The treatment goal is to protect the tooth and the pulp interior.
Talk with your dentist about the best treatment plan for you. The treatment will depend on the severity of damage to the tooth. Options may include:
To reduce your chance of fracturing a tooth, take these steps:
American Association of Endodontists
Mouth Healthy—American Dental Association
Cracked tooth syndrome. MIT dental service website. Available at: http://medweb.mit.edu/pdf/crackedtooth.pdf. Accessed January 13, 2015.
Cracked teeth. American Association of Endodontists website. Available at: http://www.aae.org/Patients/Cracked_Teeth.aspx?terms=cracked%20teeth. Accessed January 13, 2015.
Dental emergencies. Mouth Healthy—American Dental Association website. Available at: http://www.mouthhealthy.org/en/dental-care-concerns/dental-emergencies.aspx. Accessed January 13, 2015.
Diagnosis, treatment, and prognosis of cracked teeth. Iowa dental association website. Available at: http://www.iowadental.org/Justman%20Cracked%20Tooth%20handout.pdf. Updated May 6, 2011. Accessed January 13, 2015.
Do you have a cracked tooth? American Dental Association website. Available at: http://www.ada.org/~/media/ADA/Publications/Files/patient_25.ashx. Published April 2003. Accessed January 13, 2015.
Salvi V. Cracked tooth syndrome. Available at: http://www.dentaltreatment.org/cracked_tooth_syndrom.pdf. Accessed January 13, 2015.
Last reviewed January 2015 by Michael Woods, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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