If you mean, by challenge exam, a national entry-to-practice licensing exam, you'd be looking at in the neighbourhood of 13 out of 14.
What we're trying to do in many cases, to use your example of dentists, is to bypass an exam. Dentists in the United States, for example, have a mutual recognition agreement. So in many cases, a dentist trained from an accredited program in the United States would bypass the exam process. And those are the types of paths we're looking at developing. The national licensing—