Comparison of bond strength of a pressed ceramic fused to metal versus feldspathic porcelain fused to metal

Daniel M. Schweitzer, Gary Goldstein, John Ricci, N. R F A Silva, Eugene L. Hittelman

Research output: Contribution to journalArticle

Abstract

Purpose: To compare the debonding/crack initiation strength (D/CIS) of a low-fusing pressable leucite-based glass ceramic (PC) fused to metal to a feldspathic porcelain (FP) fused to metal. Materials & Methods: As per ISO 9693:1999, 40 rectangular metal specimens (25.0 mm × 0.5 mm × 3.0 mm) were prepared. Twenty of the specimens were cast in a base metal nickel-chromium alloy (BA), and 20 were cast in a noble metal palladium-silver alloy (NA). Ten randomly selected NA and BA alloy specimens had FP applied. The remaining 10 NA and BA alloy specimens had ash-free wax patterns applied, the metal-wax complexes invested, and were pressed with a PC. The dimensions of the ceramic specimens were 8.0 mm × 1.0 mm × 3.0 mm, creating a combined metal-ceramic complex thickness of 1.5 mm. All specimens were subject to a three-point bending test at a crosshead speed of 1.5 mm/min. Fracture loads were recorded in Newtons and D/CISs calculated by the formula τ b = k × F fail. Results: Mean D/CISs, measured in MPa (standard deviations): NA-FP 32.56 (4.62), NA-PC 30.23 (5.06), BA-FP 30.98 (4.41), and BA-PC 31.81 (3.48). A two-way ANOVA (p > 0.05) did not demonstrate significant difference between groups. Conclusion: The debonding/crack initiation strength of a low-fusing pressable leucite-based glass ceramic fused to metal was equivalent to that of a feldspathic porcelain fused to metal.

Original languageEnglish (US)
Pages (from-to)239-247
Number of pages9
JournalJournal of Prosthodontics
Volume14
Issue number4
DOIs
StatePublished - Dec 2005

Fingerprint

Dental Porcelain
Ceramics
Metals
Waxes
Coordination Complexes
Chromium Alloys
Palladium
Silver
Analysis of Variance

Keywords

  • Metal-ceramic bond strength
  • Pressable ceramic
  • Schwick crack-initiation test
  • Three-point bending test

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Comparison of bond strength of a pressed ceramic fused to metal versus feldspathic porcelain fused to metal. / Schweitzer, Daniel M.; Goldstein, Gary; Ricci, John; Silva, N. R F A; Hittelman, Eugene L.

In: Journal of Prosthodontics, Vol. 14, No. 4, 12.2005, p. 239-247.

Research output: Contribution to journalArticle

@article{b4213eb3bcdd4c398affda69bdbf2f61,
title = "Comparison of bond strength of a pressed ceramic fused to metal versus feldspathic porcelain fused to metal",
abstract = "Purpose: To compare the debonding/crack initiation strength (D/CIS) of a low-fusing pressable leucite-based glass ceramic (PC) fused to metal to a feldspathic porcelain (FP) fused to metal. Materials & Methods: As per ISO 9693:1999, 40 rectangular metal specimens (25.0 mm × 0.5 mm × 3.0 mm) were prepared. Twenty of the specimens were cast in a base metal nickel-chromium alloy (BA), and 20 were cast in a noble metal palladium-silver alloy (NA). Ten randomly selected NA and BA alloy specimens had FP applied. The remaining 10 NA and BA alloy specimens had ash-free wax patterns applied, the metal-wax complexes invested, and were pressed with a PC. The dimensions of the ceramic specimens were 8.0 mm × 1.0 mm × 3.0 mm, creating a combined metal-ceramic complex thickness of 1.5 mm. All specimens were subject to a three-point bending test at a crosshead speed of 1.5 mm/min. Fracture loads were recorded in Newtons and D/CISs calculated by the formula τ b = k × F fail. Results: Mean D/CISs, measured in MPa (standard deviations): NA-FP 32.56 (4.62), NA-PC 30.23 (5.06), BA-FP 30.98 (4.41), and BA-PC 31.81 (3.48). A two-way ANOVA (p > 0.05) did not demonstrate significant difference between groups. Conclusion: The debonding/crack initiation strength of a low-fusing pressable leucite-based glass ceramic fused to metal was equivalent to that of a feldspathic porcelain fused to metal.",
keywords = "Metal-ceramic bond strength, Pressable ceramic, Schwick crack-initiation test, Three-point bending test",
author = "Schweitzer, {Daniel M.} and Gary Goldstein and John Ricci and Silva, {N. R F A} and Hittelman, {Eugene L.}",
year = "2005",
month = "12",
doi = "10.1111/j.1532-849X.2005.00052.x",
language = "English (US)",
volume = "14",
pages = "239--247",
journal = "Journal of Prosthodontics",
issn = "1059-941X",
publisher = "Wiley-Blackwell",
number = "4",

}

TY - JOUR

T1 - Comparison of bond strength of a pressed ceramic fused to metal versus feldspathic porcelain fused to metal

AU - Schweitzer, Daniel M.

AU - Goldstein, Gary

AU - Ricci, John

AU - Silva, N. R F A

AU - Hittelman, Eugene L.

PY - 2005/12

Y1 - 2005/12

N2 - Purpose: To compare the debonding/crack initiation strength (D/CIS) of a low-fusing pressable leucite-based glass ceramic (PC) fused to metal to a feldspathic porcelain (FP) fused to metal. Materials & Methods: As per ISO 9693:1999, 40 rectangular metal specimens (25.0 mm × 0.5 mm × 3.0 mm) were prepared. Twenty of the specimens were cast in a base metal nickel-chromium alloy (BA), and 20 were cast in a noble metal palladium-silver alloy (NA). Ten randomly selected NA and BA alloy specimens had FP applied. The remaining 10 NA and BA alloy specimens had ash-free wax patterns applied, the metal-wax complexes invested, and were pressed with a PC. The dimensions of the ceramic specimens were 8.0 mm × 1.0 mm × 3.0 mm, creating a combined metal-ceramic complex thickness of 1.5 mm. All specimens were subject to a three-point bending test at a crosshead speed of 1.5 mm/min. Fracture loads were recorded in Newtons and D/CISs calculated by the formula τ b = k × F fail. Results: Mean D/CISs, measured in MPa (standard deviations): NA-FP 32.56 (4.62), NA-PC 30.23 (5.06), BA-FP 30.98 (4.41), and BA-PC 31.81 (3.48). A two-way ANOVA (p > 0.05) did not demonstrate significant difference between groups. Conclusion: The debonding/crack initiation strength of a low-fusing pressable leucite-based glass ceramic fused to metal was equivalent to that of a feldspathic porcelain fused to metal.

AB - Purpose: To compare the debonding/crack initiation strength (D/CIS) of a low-fusing pressable leucite-based glass ceramic (PC) fused to metal to a feldspathic porcelain (FP) fused to metal. Materials & Methods: As per ISO 9693:1999, 40 rectangular metal specimens (25.0 mm × 0.5 mm × 3.0 mm) were prepared. Twenty of the specimens were cast in a base metal nickel-chromium alloy (BA), and 20 were cast in a noble metal palladium-silver alloy (NA). Ten randomly selected NA and BA alloy specimens had FP applied. The remaining 10 NA and BA alloy specimens had ash-free wax patterns applied, the metal-wax complexes invested, and were pressed with a PC. The dimensions of the ceramic specimens were 8.0 mm × 1.0 mm × 3.0 mm, creating a combined metal-ceramic complex thickness of 1.5 mm. All specimens were subject to a three-point bending test at a crosshead speed of 1.5 mm/min. Fracture loads were recorded in Newtons and D/CISs calculated by the formula τ b = k × F fail. Results: Mean D/CISs, measured in MPa (standard deviations): NA-FP 32.56 (4.62), NA-PC 30.23 (5.06), BA-FP 30.98 (4.41), and BA-PC 31.81 (3.48). A two-way ANOVA (p > 0.05) did not demonstrate significant difference between groups. Conclusion: The debonding/crack initiation strength of a low-fusing pressable leucite-based glass ceramic fused to metal was equivalent to that of a feldspathic porcelain fused to metal.

KW - Metal-ceramic bond strength

KW - Pressable ceramic

KW - Schwick crack-initiation test

KW - Three-point bending test

UR - http://www.scopus.com/inward/record.url?scp=31344479876&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=31344479876&partnerID=8YFLogxK

U2 - 10.1111/j.1532-849X.2005.00052.x

DO - 10.1111/j.1532-849X.2005.00052.x

M3 - Article

C2 - 16359480

AN - SCOPUS:31344479876

VL - 14

SP - 239

EP - 247

JO - Journal of Prosthodontics

JF - Journal of Prosthodontics

SN - 1059-941X

IS - 4

ER -