The effect of matrix phase morphology on the structure of Ag–Cu–Pd dispersed phase dental amalgam

F. MANTE, E. H. GREENER, J. GILBERT, J. H.CHERN LIN

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

summary The effect of an Ag–Cu–Pd dispersant alloy on the structure of amalgams fabricated with two different particle types of low‐copper amalgam matrices was investigated. In amalgams L and L (0), a low‐copper lathe‐cut amalgam Aristalloy® was used as the matrix. In amalgams S and S(0), the matrix used was Spheralloy®, a low‐copper spherical amalgam. X‐ray diffraction was used to analyse the relative content of the phases in the amalgams. The presence of Pd in the dispersant of amalgams L and S resulted in a decrease in the amount of η′(Cu6Sn5) and an increase in the amount of unreacted particles when compared to the controls L(0) and S(0). Amalgams fabricated with a spherical alloy matrix (S and S(0)) showed a greater effect than amalgams fabricated with a lathe‐cut matrix alloy (L and L(0)).

Original languageEnglish (US)
Pages (from-to)711-715
Number of pages5
JournalJournal of Oral Rehabilitation
Volume22
Issue number9
DOIs
StatePublished - Sep 1995

ASJC Scopus subject areas

  • Dentistry(all)

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