Both cells have same functions. The galvanic cell consist of two different metals connected by salt bridge. It is also known as electrochemical cell. It should not be confused with electrolytic cell. Voltaic cell also consist of two separate compartments.
But very oftenly, you get them from age 17-21. So yeah it depends if you already have your 12 yearold molars, I will edit if you say something! But here is ome more info on wisdom teeth! Wisdom Teeth get their name because they usually arrive about the time of adulthood (17-21 years of age).
Wisdom teeth are so called because they are the last teeth to come in, at about the time of young adulthood -- the age when a person gains maturity and thus wisdom. The majority of us have most of our permanent (adult) teeth by age 13, followed by our wisdom teeth (third molars), which usually push their way through the gums or become impacted between ages 17-21.