More recent article says they still haven't actually used the technique on a human being, only on extracted teeth. http://www.reuters.com/article/2015/08/25/us

More recent article says they still haven't actually used the technique on a human being, only on extracted teeth. http://www.reuters.com/article/2015/08/25/us-dental-device-idUSKCN0QU21C20150825 http://www.reuters.com/article/2015/08/25/us-dental-device-i... Still, sounds very promising.