The sealing of the tooth/amalgam interface by corrosion products.

Abstract:

: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 deposits 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 is discussed.

journal_name

J Oral Rehabil

authors

Ben-Amar A,Cardash HS,Judes H

doi

10.1111/j.1365-2842.1995.tb00242.x

subject

Has Abstract

pub_date

1995-02-01 00:00:00

pages

101-4

issue

2

eissn

0305-182X

issn

1365-2842

journal_volume

22

pub_type

杂志文章,评审
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