Broken or Knocked-out Teeth
Facts on Broken or Knocked-Out TeethEach individual tooth is composed of calcium and several other organic components. It is divided into 3 layers: enamel, dentin, and pulp - each layer having a specific role.
 Anatomically, the tooth is made up of the crown and root. The crown is the visible portion you see inside the mouth. The root extends beneath the gum line. The tooth is positioned in a bony socket called the alveolus. It is anchored by a ligament and protected by the gums.  The 20 primary or baby teeth are replaced, beginning at about 6 years, with 32 adult or permanent teeth. Injury to teeth, especially permanent teeth, can be painful and serious. What causes broken or teeth?Dental injuries to the teeth commonly occur with falls, assaults, sports activities, child abuse, and multiple trauma such as an auto collision. Medically Reviewed by a Doctor on 7/28/2016
Medical Author:
Victor M Almeida, DO
Coauthor:
Joseph J Sachter, MD, FACEP
Medical Editor:
Scott H Plantz, MD, FAAEM
Medical Editor:
Francisco Talavera, PharmD, PhD
Medical Editor:
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