THE DENTIST’S DRILL
A PAINLESS INSTRUMENT AN IMPORTANT DISCOVERY. <United Press Association —Copyright) NEW YORK, November 29. , The discovery of a substance which makes the dentist’s drill a painless instrument—something millions of persons the world over have been hoping for —was announced here to-day by the Columbia University School of Dental Surgery. It is claimed that the desensitiser” will revolutionise the practice of dentistry, and when applied to the surface of a tooth will not . only prevent pain but offer the possibility of saving teeth now lost through extraction. ‘ The discovery is the work of Dr. Leroy Hartmann (professor of dentistry). The patent rights will he held by the university to prevent exploitation against the public’s interests. The product will be made available commercially in the near future. The desensitiser has no after-affects and becomes effective 60 to 90 seconds' after application. It remains effective foi 26 minutes.
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Ashburton Guardian, Volume 56, Issue 42, 30 November 1935, Page 5
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148THE DENTIST’S DRILL Ashburton Guardian, Volume 56, Issue 42, 30 November 1935, Page 5
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