The sealing of the tooth/amalgam interface by corrosion products

A. BEN‐AMAR, H. S. CARDASH, H. JUDES

Research output: Contribution to journalArticlepeer-review

Abstract

summary A marginal gap exists between the amalgam restoration and the cavity walls. At this interface, there is a constant percolation of fluid containing ions, molecules and bacteria. With time, corrosion products of the amalgam components seal the gap at the amalgam/tooth interface. The corrosion processes for conventional and high copper amalgam and factors affecting the corrosion deposites are reviewed. Better amalgam adaptation to the cavity walls improves the chances of sealing the restoration by corrosion products. The effectiveness of cavity varnish in preventing microleakage until corrosive deposits are formed in discussed.

Original languageEnglish
Pages (from-to)101-104
Number of pages4
JournalJournal of Oral Rehabilitation
Volume22
Issue number2
DOIs
StatePublished - Feb 1995

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