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a solution that selectively stains all soft debris, pellicle, and bacterial plaque on teeth; used, after rinsing with water, as an aid in identifying bacterial plaque.
Etymology: L, dis + claudere, to close, solutus, dissolved
a topically applied dye solution used to stain and reveal plaque and other deposits on teeth.
dis·clos·ing a·gent(dis-klōz'ing ā'jĕnt)
A selective dye in solution or tablet form used to visualize and identify soft debris, pellicle, and bacterial plaque on the surfaces of the teeth; in dental offices, a solution is most commonly used; chewable tablets are available for use in home dental care.