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What is the Kois impression technique?

April 26, 2017Impression technique

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What is the Kois impression technique?

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This is a “two viscosity” impression technique that involves using Star VPS Ultraheavy and Ultralight in combination. The Ultraheavy on the tray hydraulically pushes the Ultralight on the tooth. A non-perforated tray helps with the hydraulic pressure. The Ultralight is at the technical limit of low viscosity (very runny). These materials were made to the specifications of Dr. John Kois of Seattle.