Tooth Lasers Could Make Drilling a Thing of the Past

For some people, just the sound of a dental drill is enough to cause panic-but the good news is that this barbaric procedure may be a thing of the past. UK researchers have developed a technology that is based on Raman spectroscopy (a method that is currently used to identify chemicals) to spot tooth decay before it… » 7/21/08 4:00pm 7/21/08 4:00pm