Rate of elution of leachable components from composite

J. L. Ferracane, J. R. Condon

Research output: Contribution to journalArticlepeer-review

293 Scopus citations


The uptake of solvent and the elution of molecules from a dental composite and an unfilled resin were monitored with time during soaking in either water or an ethanol/water mixture. The results showed that approximately 50% of the leachable species were eluted from the composite within three hours of soaking in water, while 75% of the leachable molecules were eluted into the ethanol/water mixture. Elution of nearly all of the leachable components was complete within a 24-hour period in either solvent. The study lends support to the view that dental composites do not provide a chronic source of unreacted monomer to the pulp or other oral tissues, due to a rapid and complete elution of the molecules.

Original languageEnglish (US)
Pages (from-to)282-287
Number of pages6
JournalDental Materials
Issue number4
StatePublished - Oct 1990

ASJC Scopus subject areas

  • General Materials Science
  • General Dentistry
  • Mechanics of Materials


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