Castability, opaque masking, and porcelain bonding of 17 porcelain-fused-to-metal alloys

Randolph P. O'Connor, J. Rodway Mackert, Michael L. Myers, Edward E. Parry

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Seventeen porcelain-fused-to-metal alloys, which representd a cross section of the various alloy types available, were evaluated for castability, opaque masking, and porcelain bond strenght. The base metal alloys generally cast more completely than the noble alloys, with presence of beryllium as an important factor for greater castability among the base metal alloys. Statistically significant differences were observed in the ability of an opaque porcelain to mask the different alloy substrates but no systematic effect of alloy type was observed. Porcelain bond testing revealed that nickel-chromium-beryllium alloys produced significantly better porcelain-metal bonds than nickel-chromium alloys without beryllium. In addition, it was found that palladium-copper alloys produced significantly better bonds with porcelain than palladium-cobalt alloys.

Original languageEnglish (US)
Pages (from-to)367-374
Number of pages8
JournalJournal of Prosthetic Dentistry
Volume75
Issue number4
DOIs
StatePublished - Jan 1 1996

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Dental Porcelain
Metals
Beryllium
Palladium
Masks
Copper

ASJC Scopus subject areas

  • Oral Surgery

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Castability, opaque masking, and porcelain bonding of 17 porcelain-fused-to-metal alloys. / O'Connor, Randolph P.; Mackert, J. Rodway; Myers, Michael L.; Parry, Edward E.

In: Journal of Prosthetic Dentistry, Vol. 75, No. 4, 01.01.1996, p. 367-374.

Research output: Contribution to journalArticle

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