Everything You Should Know About Pesky Wisdom Teeth! Wisdom teeth, also known as third molars are the most notorious teeth when it comes to their growth and development. Sometimes, they may grow straight, grow sideways, backward, or don't grow due to a number of reasons. A tooth can be obstructed from its eruption when there is another tooth in its path or eruption may be inhibited by a cyst or can be completely embedded in bone.