Flexion characteristics of four-unit fixed partial denture frameworks using holographic interferometry

Gary Goldstein, Anthony Wesson, Kenneth Schweitzer, Bradley Cutler

Research output: Contribution to journalArticle

Abstract

Flexion of a metal/ceramic fixed partial denture (FPD) framework under function can cause fracture of the porcelain or deterioration of the cement seal. This study evaluated the iexion under compressive load of a four-unit mandibular FPD replacing the second premolar and the first molar. Testing was accomplished with elapsed time holographic interferometry, using 39 porcelain fused-to-metal frameworks cast with a silver-palladium alloy. The results demonstrated that solder joints at the junction of the premolar and molar pontics flexed under a reduced compressive load and exhibited a higher failure rate than other connector designs.

Original languageEnglish (US)
Pages (from-to)609-613
Number of pages5
JournalJournal of Prosthetic Dentistry
Volume67
Issue number5
DOIs
StatePublished - 1992

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Interferometry
Fixed Partial Denture
Dental Porcelain
Bicuspid
Metals
Palladium
Ceramics
Silver
Joints

ASJC Scopus subject areas

  • Oral Surgery
  • Dentistry(all)

Cite this

Flexion characteristics of four-unit fixed partial denture frameworks using holographic interferometry. / Goldstein, Gary; Wesson, Anthony; Schweitzer, Kenneth; Cutler, Bradley.

In: Journal of Prosthetic Dentistry, Vol. 67, No. 5, 1992, p. 609-613.

Research output: Contribution to journalArticle

Goldstein, Gary ; Wesson, Anthony ; Schweitzer, Kenneth ; Cutler, Bradley. / Flexion characteristics of four-unit fixed partial denture frameworks using holographic interferometry. In: Journal of Prosthetic Dentistry. 1992 ; Vol. 67, No. 5. pp. 609-613.
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