Dentistry; Cosmetic Dentistry; Emergency Dentistry; Minimally Invasive Dentistry; Orthodontics; Pediatric Dentistry; Sports Dentistry
Denmark: The Happiest Place on Earth. Disney World claims the distinction of being the happiest place on earth, but if you're really in search of human bliss, you'd be surprised where you'll find it.
Costa Rica is ranked third in the world and first among the Americas in terms of the 2010 Environmental Performance Index. And the New Economics Foundation (NEF) ranked Costa Rica as the happiest nation in the world, both in 2009 and in 2012.