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 the third set of molars to appear in adulthood, usually making their debut between ages 17 and 21, hence the name wisdom teeth.. Although not everyone needs their wisdom teeth removed, the lateness of their arrival and placement far back in the mouth can cause problems.