Wisdom teeth are called the 8th molars located at the very back of the dental arch. Usually, wisdom teeth start to erupt in adulthood, from 17 to 25 years old, with 4 teeth located at the innermost corners of the jaw. However, in reality, there are many cases where wisdom teeth only start to erupt at the age of 40. So, should wisdom teeth be extracted at the age of 40, and are there any complications?