Wisdom teeth are actually a third set of molars which usually grow into the mouth when we are yound adults. In many cases, there is not enough room in the mouth to accommodate these teeth, and they end up becoming trapped within the jaw bone. If the situation is not treated, the impacted tooth can become infected and develop an abscess. In many cases, the tooth in front becomes decayed from the bacteria which is trapped in between the teeth, and can require extensive treatment. Extraction of the wisdom tooth is the recommended treatment.