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Pronunciation: por'se-lin

Definition: A powder composed of a clay, silica, and a flux that, when mixed with water, forms a paste that is molded to form artificial teeth, inlays, jacket crowns, and dentures. When heated, the materials fuse to form a ceramic.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.