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 tallest artificial structure is Burj Khalifa, a skyscraper in Dubai that reached 828.1 m (2,717 ft) in height on January 17, 2009. By April 7, 2008 it had been built higher than the KVLY-TV mast in North Dakota, USA.