Virtually Rebuilding Faces

May 12, 2010 12:00:00 AM PDT
Four million people in the United States have braces to straighten their teeth, but in some cases braces alone can't correct the alignment of the jaw. For patients who have trouble eating and speaking, surgery is the best option. It's a tricky procedure that involves breaking the jaw. If surgeons are off by just a millimeter, it can damage the alignment of the teeth. Doctors are now entering a virtual world to improve accuracy and outcomes.