You sit down at the computer to do some research, dreading the thought of convincing your teenager that braces are a good idea. As you read through dentistry sites, you start to see there’s a new technique. Using what’s called Invisalign on teeth is a lot different from the old metal braces with wires you’re used to. As you read they’re great for adults, you start feeling your own teeth with your tongue. Maybe the best way to convince is by doing it yourself….