Toothy discovery.A recent discovery reveals that even 9,000 years ago people had to endure the dreaded dentist's drill Noun 1. dentist's drill - a high speed drill that dentists use to cut into teeth burr drill bur, burr - small bit used in dentistry or surgery . Anthropologists who study human cultures had thought that dentistry originated roughly 5,000 years ago. So they were stunned stun tr.v. stunned, stun·ning, stuns 1. To daze or render senseless, by or as if by a blow. 2. To overwhelm or daze with a loud noise. 3. to find circular drill holes in the teeth of several 9,000-year-old skulls that were dug up in Pakistan. David Frayer, an anthropologist at the University of Kansas The University of Kansas (often referred to as KU or just Kansas) is an institution of higher learning in Lawrence, Kansas. The main campus resides atop Mount Oread. , isn't sure why the holes were drilled. But four of the teeth showed signs of cavities. Ancient dentists may have been treating this damage, caused when bacteria in the mouth produce acid that eats away at the tooth's hard enamel coating. OUCH: Ancient dentists may have used a bowlike device to spin a sharp flint stone a hard, siliceous stone; a flint. - Knight. See also: Flint and bore into the patient's tooth. |
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