Bond strength of different veneering ceramics to zirconia and their susceptibility to thermocycling

Markus B. Blatz, Michael Bergler, Fusun Ozer, Stefan Holst, Jin H O Phark, Gerard Jules Chiche

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Purpose: To evaluate the bond strength of recently developed feldspathic veneering ceramics to zirconiumoxide ceramic core material (Y-TZP). In addition, the effect of thermocycling on the bond strength was investigated. Methods: 90 square Lava framework Y-TZP specimens were randomly assigned to three groups (n=30) and veneered with one of the three zirconia veneering ceramics Cerabien ZR (CZR), GC Initial (GCI), or Lava Ceram (LC). 30 additional metal-ceramic specimens served as the control (VO). 15 specimens per group were stored in a saline solution for 3 days. To test the durability of the bond, 15 specimens per group were thermocycled for 10,000 cycles between 5° to 60° C with a 15second dwell time. Shear strength was tested with an Instron universal testing system. A two-way ANOVA model and Tukey's HSD were applied for statistical analyses (α= 0.05). Results: The different material combinations revealed significantly different shear bond strength values (CZR>GCI>LC>VO). All veneering ceramic/zirconia combinations showed significantly higher bond strength than the metal-ceramic control VO. Bond strength values were not affected by thermocycling, except for CZR, which had significantly higher bond strength after thermocycling. Microscopic evaluation of failure modes revealed 100% cohesive failures in the veneering ceramic for all specimens.

Original languageEnglish (US)
Pages (from-to)213-216
Number of pages4
JournalAmerican Journal of Dentistry
Volume23
Issue number4
StatePublished - Aug 1 2010

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Ceramics
Shear Strength
Metals
zirconium oxide
Sodium Chloride
Analysis of Variance

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Blatz, M. B., Bergler, M., Ozer, F., Holst, S., Phark, J. H. O., & Chiche, G. J. (2010). Bond strength of different veneering ceramics to zirconia and their susceptibility to thermocycling. American Journal of Dentistry, 23(4), 213-216.

Bond strength of different veneering ceramics to zirconia and their susceptibility to thermocycling. / Blatz, Markus B.; Bergler, Michael; Ozer, Fusun; Holst, Stefan; Phark, Jin H O; Chiche, Gerard Jules.

In: American Journal of Dentistry, Vol. 23, No. 4, 01.08.2010, p. 213-216.

Research output: Contribution to journalArticle

Blatz, MB, Bergler, M, Ozer, F, Holst, S, Phark, JHO & Chiche, GJ 2010, 'Bond strength of different veneering ceramics to zirconia and their susceptibility to thermocycling', American Journal of Dentistry, vol. 23, no. 4, pp. 213-216.
Blatz MB, Bergler M, Ozer F, Holst S, Phark JHO, Chiche GJ. Bond strength of different veneering ceramics to zirconia and their susceptibility to thermocycling. American Journal of Dentistry. 2010 Aug 1;23(4):213-216.
Blatz, Markus B. ; Bergler, Michael ; Ozer, Fusun ; Holst, Stefan ; Phark, Jin H O ; Chiche, Gerard Jules. / Bond strength of different veneering ceramics to zirconia and their susceptibility to thermocycling. In: American Journal of Dentistry. 2010 ; Vol. 23, No. 4. pp. 213-216.
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