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).
However, some people have as many as six wisdom teeth and others have none. They can also begin to come in as early as 13 or as late as 25. Most people have their wisdom teeth removed to prevent overcrowding and discomfort. Most healthy adults end up with 28 teeth after their wisdom teeth have been removed. But many will lose some of these over time. How many Teeth Do Adults Need?