It also seems to have antimicrobial properties and helps prevent teeth from experiencing recurrent decay prior to the placement of a permanent restoration. Other types of 'medicated' fillings that dentists use are Glass ionomer based, since they tend to release fluoride over time.
Alta California became a part of Mexico in 1821 following its successful war for independence, but was ceded to the United States in 1848 after the MexicanâAmerican War. The western portion of Alta California was organized as the State of California, which was admitted as the 31st state on September 9, 1850. The California Gold Rush starting in 1848 led to dramatic social and demographic change, with large-scale immigration from the east and abroad with an accompanying economic boom.
This Day In History: 08/21/1959 - Hawaii Becomes 50th State. On this day in 1959, the modern United States receives its crowning star when President Dwight D. Eisenhower signs a proclamation admitting Hawaii into the Union as the 50th state.