Small Equipment Big Impact - Dental Product Shopper
2019-7-25 · 1955 Tungsten carbide burs are used in the Page-Chayes handpiece, driving speeds up to 100,000 rpm. 1957 Developed by Dr. John Borden, the Borden Airotor becomes the first commercially sound high-speed air turbine handpiece, with speeds of up to 300,000 rpm.
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