Braces are actually a pretty impressive invention. They gradually and safely move teeth, improving common complaints such as crooked teeth, crowded teeth, or gaps in between teeth, along with serious bit problems, to get a healthier, more attractive smile. If you’re looking at getting braces you might be wondering how braces work. It’s likely that already know that pressure is applied to your teeth with little metal squares and a wire that is periodically tightened. But how exactly do they do that?