Compositional influence on the strength of dental porcelain

Philip S. Baker, Arthur E. Clark

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

This work compared the tensile strength of two glass compositions with published values of currently available dental porcelains. The influence of several variables, such as air and vacuum firing, firing temperature, surface roughness, immersion in water, and the inclusion of filter particles, on the inherent strength of the glass compositions is also discussed. The authors developed a glass frit having a tensile strength of 102.4 MPa as determined by the biaxial flexure technique. This value compares favorably with the reported strength of commercial brands of feidspathic porcelains. The strength of this glass was not significantly reduced as a result of surface abrasion or immersion in distilled water.

Original languageEnglish (US)
Pages (from-to)291-297
Number of pages7
JournalInternational Journal of Prosthodontics
Volume6
Issue number3
StatePublished - Jan 1 1993

ASJC Scopus subject areas

  • Oral Surgery

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