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.
In 1861 the Territory of Colorado was created with boundaries that are identical to the modern day state. On March 3, 1875 the U.S. Congress passed an act to allow Colorado to become a state and Colorado was officially admitted to the Union on August 1, 1876 by President Ulysses S. Grant.n 1846 the United States went to war with Mexico and in 1848 the United States acquired the remaining portion of modern day Colorado via the Treaty of Guadalupe Hidalgo. However, it was still some time before Colorado became a state.