Wisdom tooth appears late in life much letter than other teeth, while most teeth appear in childhood. wisdom teeth also called as third molar which appears at age when you are much wiser and these are the final sets of molars you get in your late teens or early twenties. These teeth can be fully erupted, sometimes misalignment of these teeth position makes necessity for removal of this tooth. Sometimes their angulations are towards second molars which can cause damage to the adjacent teeth, jawbone or even the nerves.