I've tried 6 dentists recently, 2 were local; 2 were referred by people I knew; 2 were referred by health-care professionals who were trustworthy and gave me truly excellent results in their own field. I'm in Melbourne, Australia, and I have no reason to believe that our dentists are particularly bad. All 6 were either dishonest or incompetent. Including: preventing my front teeth from meeting; modifying opposing tee…
For people in the US, Yelp is a good starting point, but it helps to try a dentist once or twice as a trial (rather than going for major work without knowing what they're like).