Kerr Manufacturing Company

Christina L Semkow

Duncan E Waller

James C Hamilton

A method of forming a two step dental impression which comprises applying a light curable impression material to a portion of the oral cavity of interest to form an initial impression while exposing said impression material to a source of activating light to set said impression material followed by applying a chemically cured impression material over said light cured impression material and allowed said chemically cured impression material to set and bond with said light curable material and removing the resulting composite impression from said oral cavity.

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Ypsilanti, MI, United States of America

Christina L Semkow