separating medium


separating medium
any substance which facilitates separation, such as a coating used upon a surface that serves to prevent adherence to it of another surface; in dentistry, a substance applied to the investment surface of a denture flask to protect the resin from the surfaces in the mold space to avoid incorporation of water in the resin from the gypsum and to prevent adherence of the investing material and the resin.

Medical dictionary. 2011.

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