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Pronunciation: per'ko-la'shun


  1. Extraction of the soluble portion of a solid mixture by passing a solvent liquid through it.
  2. Passage of saliva or other fluids into the interface between tooth structure and restoration; sometimes induced by thermal changes.

Synonym(s): filtration

[L. percolatio, fr. per- + col, to strain]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.