Broken or knocked out tooth
The medical term for a knocked out tooth is "avulsed" tooth.
Teeth - broken; Tooth - knocked out
A permanent (adult) tooth that is knocked out can sometimes be put back in place (replanted). In most cases, only permanent teeth are replanted into the mouth. Baby teeth are not replanted.
Tooth accidents are commonly caused by:
Save any tooth that has been knocked out. Bring it to your dentist as soon as possible. The longer you wait, the less chance there is for your dentist to fix it. Hold the tooth only by the crown (chewing edge).
You can take the tooth to the dentist in one of these ways:
Also follow these steps:
After your tooth has been replanted, you will most likely need a root canal to remove the cut nerve that is inside your tooth.
You may not need an emergency visit for a simple chip or a broken tooth that is not causing you discomfort. You should still have the tooth fixed to avoid sharp edges that can cut your lips or tongue.
If a tooth breaks or is knocked out:
When to Contact a Medical Professional
Call your dentist right away when a tooth is broken or knocked out. If you can find the tooth, bring it with you to the dentist. Follow the steps in the First Aid section above.
If you cannot close your upper and lower teeth together, your jaw may be broken. This requires medical help right away at a dentist's office or hospital.
Follow these guidelines to prevent broken or knocked out teeth:
Auerbach PS. Head (also eye, ear, nose, throat, and mouth). In: Auerbach PS, ed. Medicine for the Outdoors. 6th ed. Philadelphia, PA: Elsevier; 2016:160-189.
Cohenca N. Management of traumatic dental injuries. In: Torabinejad M, Walton RE, Fouad AF, eds. Endodontics: Principles and Practice. 5th ed. St Louis, MO: Elsevier Saunders; 2015:chap 11.
Tinanoff N. Dental trauma. In: Kliegman RM, Stanton BF, St. Geme JW, Schor NF, eds. Nelson Textbook of Pediatrics. 20th ed. Philadelphia, PA: Elsevier; 2016:chap 314.
Review Date: 2/5/2018
Reviewed By: Ilona Fotek, DMD, MS, Dental Healing Arts, Jupiter, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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