Wisdom teeth are not removable from the nerve canal. 1. Wisdom teeth are the last teeth in the mouth, due to the lack of space for the development of the jaw bone with fine food, wisdom teeth will be blocked when erupting, and may be blocked in the jaw bone. 2. In some cases, the roots of the wisdom teeth encircle the mandibular nerve, and the wisdom teeth and the mandibular nerve canal are closely connected together. Or mandibular wisdom teeth grow on the nerve tube, this situation should not be blindly removed, in the extraction process may damage the mandibular nerve tube appear facial paralysis. If there are no obvious symptoms of wisdom teeth, you can observe. Therefore, wisdom teeth growing on the nerve canal should not be removed blindly, if the wisdom teeth have no conscious symptoms can be observed, such as wisdom teeth pericoronitis can go to the stomatology department for medical treatment.