An extraction is the removal of a tooth from the mouth. Extractions are performed for a variety of different reasons. Tooth decay that has damaged enough tooth structure to prevent anything from saving the tooth is the most frequent indication for extraction of a tooth. Extractions of impacted or problematic wisdom teeth are routinely performed. Usually, when you lose a tooth, it is best for your oral health to have it replaced. Missing teeth can affect your bite as well as your ability to speak and chew. Their loss can increase the burden on your remaining teeth and cause extra wear on teeth, headaches, and muscle pain in your jaw. Of course, losing a tooth can affect your appearance as well.