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).
At what age should I have my wisdom teeth removed? For most of us, the discussion about the wisdom teeth begins during the late teens or early twenties. In young adulthood, the last set of molars, usually referred to as the wisdom teeth, will mature and show some signs of movement.