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Blended Pd-containing dental amalgams were developed by substituting Pd for up to 20 w/o Ag or Cu in the Ag-Cu eutectic alloy. Melted ingots were lathe-comminuted to a particle size distribution of 1-45 microns. Alloy blends were created from two parts of a traditional amalgam and one part of experimental Ag-Cu-Pd particles. Amalgams with from 0.42 to 1.67 w/o Pd were fabricated by trituration of alloys and mercury at a Hg/alloy ratio of 1:1 with a mechanical triturator at 5000 rpm for 10 s and hand-condensed. XRD studies of these amalgams revealed the suppression of eta' (Cu6Sn5) phase with Pd addition and no gamma 2 (Sn8Hg) phase found. At 3.3 w/o Pd, the eta' (Cu6Sn5) concentration of the amalgam was below the detection limit of the instrumentation (1%). SEM micrographs revealed that reaction zones around eutectic particles decreased with increased Pd concentration.
J H Chern Lin, and
K H Chung, and
E H Greener
October 1991,
Dental materials : official publication of the Academy of Dental Materials,
J H Chern Lin, and
K H Chung, and
E H Greener
June 1982,
Journal of dental research,
J H Chern Lin, and
K H Chung, and
E H Greener
January 1983,
Journal of dental research,
J H Chern Lin, and
K H Chung, and
E H Greener
July 2004,
Biomaterials,
J H Chern Lin, and
K H Chung, and
E H Greener
February 1983,
Journal of dental research,
J H Chern Lin, and
K H Chung, and
E H Greener
January 1976,
Zobozdravstveni vestnik,
J H Chern Lin, and
K H Chung, and
E H Greener
December 1996,
American journal of dentistry,
J H Chern Lin, and
K H Chung, and
E H Greener
December 1997,
Dental materials journal,
J H Chern Lin, and
K H Chung, and
E H Greener
August 1987,
Dental materials : official publication of the Academy of Dental Materials,
J H Chern Lin, and
K H Chung, and
E H Greener
February 1992,
American journal of dentistry,
