Although permanent teeth should be preserved for life, there are several reasons why tooth extraction needs to be done. The reason could be because the teeth have an infection, damage, to too many teeth in the mouth. A tooth needs to be pulled out when it's very damaged. If not removed, this damaged tooth can interfere with other teeth and the health of your oral cavity. Continual pain can be a major sign that your teeth need to be removed. This pain can be caused by several things, such as a cavity infection, gum infection, to tooth fracture. Some Causes of Tooth Extraction Need To Be Done Other reasons that may be behind your tooth extraction are: Mouth that is too full Rear molars generally only grow in their 20s, when there are already around 28 adult teeth in the mouth. In this situation, it is very possible that there is no room for molars to grow properly or appear only partially. The possibility that can occur is forced contact of molars with other teeth, thus enco...