If youâre like most people, you would probably guess that itâs cavities. Unfortunatelyâ¦youâd be wrong. It is generally accepted that the leading cause of tooth loss in people over 35 is periodontitis, more commonly known as gum disease. In people under 35, cavities are the leading cause of tooth loss. Teeth are normally held firmly in place under your gums by a strong bone called alveolar bone.
There have only been four presidents of the United States who were Democratic-Republicans (Thomas Jefferson, James Madison, James Monroe, and John Quincy Adams), and only four who were Whigs (William Henry Harrison, John Tyler, Zachary Taylor, and Millard Fillmore).
The party has united with smaller left-wing regional parties throughout the country such as Farmer-Labor Party in Minnesota and the Nonpartisan League in North Dakota. There have been 15 Democratic presidents: the first was Andrew Jackson, who served from 1829 to 1837. The most recent is current U.S. President Barack Obama, who has been in office since 2009.