Originally Posted by Epoch

My dentist pointed a couple out to me while he was working on them. Showed them to me in a mirror, which I thought was kind of cool.

Of course, I can be kinda macabre when it comes to stuff like that, so he explains to me the different uses and shapes of the drill bits, the chemical basis behind the etching solution, what kind of amalgams and/or resins he's using on my teeth, etc...