What Causes Tooth Infections and How Can You Recognize Them Early?
A tooth infection develops when harmful bacteria enter the inner part of a tooth or surrounding gum tissue. Without timely treatment, the infection may cause significant discomfort and spread to nearby areas. Understanding what causes tooth infections and recognizing warning signs can help protect your oral health. Common Causes of Tooth Infections Untreated cavities are one of the most common causes of tooth infections. When decay progresses through the protective enamel and dentin, bacteria can reach the pulp, which contains nerves and blood vessels. A cracked or broken tooth may also allow bacteria to enter and trigger an infection. Advanced gum disease is another possible cause. Bacteria can collect around the teeth and gums, forming pockets where infection develops. Previous dental injuries, damaged fillings, and complications following dental procedures may also increase the risk. Maintaining proper oral hygiene and attending regular dental checkups can help reduce these risks. S...