Orthodontics takes as its aims the prevention and correction of malocclusion of the teeth and associated dentofacial incongruities. Orthodontics has been practiced since the days of the ancient Egyptians, but methods of treatment involving the use of bands and removable appliances have become prominent only since the beginning of the 20th century. The United States gave impetus to the development of orthodontics, which was recognized as a specialty with the formation of the American Society of Orthodontists in 1900.
The demand for this service extends from the child to the mature adult, although human bone responds to tooth movement best in a person under 18, and it is generally agreed that children benefit more from treatment than do adults. In general, oral health and physical appearance are the two most important reasons for undertaking a course of orthodontic care.
Taken from Britannica Online
"Dentistry." Encyclopedia Britannica from Encyclopedia Britannica Online.
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