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.
The Burj Khalifa, Dubai, UAE â Currently world's tallest building, since it was completed in 2010, is the Burj Khalifa. It stands a massive 198 meters (650 feet) above its nearest competitor. Jeddah Tower, Saudi Arabia â Another threat to the Burj Khalifa's tallest building title is the Jeddah Tower in Saudi Arabia. The tower is currently under construction and due to top out at 1,000 meters at a cost of $1.23 billion.