In modern times we have great general dentists to help us keep our teeth, a softer diet, and fluoride in our water. Therefore, wisdom teeth commonly do not have enough room to erupt fully into our mouths. Even if the wisdom teeth do fully erupt, their posterior location makes it extremely difficult to keep them clean and healthy over the course of a lifetime. And most of the time they stay inside the bone, and then is necessary to do sugery to extract the wisdom teeth.