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The machine is an invention of two dentists from San Francisco who developed it after they had to extract a patient's tooth without anesthesia because they ran out of gas. The device is a type of root-canal drill that uses a vacuum to hold the tooth in place, while two rubber bands attach the base of the tooth to the gums, and then a grip ring is tightened around the tooth. Once the grip ring is tightened, a motorized pulley pulls on the rubber bands, removing the tooth. read more>http://www.pressreleasepower.com