Particle size effect on structure and properties of dispersed Pd-containing dental amalgam

Jiin-Huey Chern, K. I. Chen, Chien-Ping Ju

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Focus of the study is to evaluate the effect of dispersant particle size on the structure and various properties of spherical matrix/irregular dispersant admixed type Pd amalgams. The results indicate that amalgams prepared from smaller dispersant particles have a shorter setting time (faster amalgamation reaction), smaller setting expansion, higher η′ content and lower early stage γ2 content. Smaller dispersant particles also lead to a slightly higher compressive strength, lower creep value, more cathodic corrosion potential and less early stage mercury vapor release. The particle size effect on corrosion current density and chemical composition of γ1 phase in aged amalgam is less significant.

Original languageEnglish
Pages (from-to)597-608
Number of pages12
JournalBiomaterials
Volume23
Issue number2
DOIs
Publication statusPublished - 2002 Jan 1

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Ceramics and Composites
  • Biophysics
  • Biomaterials
  • Mechanics of Materials

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