The United States of America (USA), commonly referred to as the United States (U.S.) or America, is a federal republic composed of 50 states, the federal district and five territories. It is a superpower, and some argue that currently the US is the only superpower in the world. It has great influence over world finance, trade, culture, military, politics, and technology. The United States is located on the North American Continent. The United States of America is bordered by the Pacific Ocean, the Atlantic Ocean, Canada to the north, and Mexico to the south.
The geographical sense, is the contiguous United States, the state of Alaska, the island state of Hawaii, the five insular territories of Puerto Rico, Northern Mariana Islands, U.S. Virgin Islands, Guam, and American Samoa, and minor outlying possessions. The United States shares land borders with Canada and Mexico and maritime borders with Russia, Cuba, and the Bahamas in addition to Canada and Mexico.
The first dental college, Baltimore College of Dental Surgery, opened in Baltimore, Maryland, USA in 1840. The second in the United States was the Philadelphia College of Dental Surgery, established in 1852. In 1907 Temple University accepted a bid to incorporate the school.
the United States, and Canada, a dentist is a healthcare professional qualified to practice dentistry after graduating with a degree of either Doctor of Dental Surgery (DDS) or Doctor of Dental Medicine (DMD). This is equivalent to the Bachelor of Dental Surgery/Baccalaureus Dentalis Chirurgiae (BDS, BDent, BChD, BDSc) that is awarded in the UK and British Commonwealth countries. In most western countries, to become a qualified dentist one must usually complete at least four years of postgraduate study.
All dentists in the United States undergo at least three years of undergraduate studies, but nearly all complete a bachelor's degree.