1 Have the equivalent of at least two years clinical experience as a dentist. 2  Complete an accredited three year full-time university degree in orthodontics. 3  Be registered as a Specialist in Orthodontics.
It opened on January 4, 2010. Soaring 828 meters (2,717 feet) the Burj Dubai in the United Arab Emirates is now considered the world's tallest building. Keep in mind, however, that these statistics include the skyscraper's enormous spire.
These Are the World's 21 Tallest Buildings. Few things say that a city or a country has arrived more than a gleaming, awe-inspiring skyscraper. Few things say that a city or a country has arrived more than a gleaming, awe-inspiring skyscraper. Burj Khalifa.