all set and final. you are good with the 28 teeth because they do everything you need them to.
when you get to be about 17 or 18 years old, you notice that your teeth seem to be more sensitive than they have in the past. you might have some pain while chewing or you might notice some swelling around your jaw. you wonder what is going on.
surprise! your teeth were not finished growing in. your third set of molars is pushing its way into the back of your mouth. but why in the heck does anyone need three sets of molars? that is a very good question!
it is believed that 