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14,000 year old dentistry!

http://news.discovery.com/history/oldest-dentistry-found-in-14000-year-old-tooth-15071561.htm

“Basically, the infected tissue was picked away from inside the tooth carefully using a small, sharp stone tool,” Benazzi told Discovery News.

“This shows that Late Upper Paleolithic humans were aware about the deleterious effects of caries, and the need to intervene with an invasive treatment to clean a deep dental cavity,” he added. The researchers noted the enamel was partially rounded and polished due to wear, indicating the treatment was carried out long before the death of the individual. The find suggests that dentistry evolved from the much older practice of toothpicking, rather than from drilling procedures.