Evaluation of shear bond strength of veneering ceramics and zirconia fabricated by the digital veneering method

Ji Young Sim, Wan Sun Lee, Ji Hwan Kim, Hae-Young Kim, Woong Chul Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Purpose: The purpose of this study was to evaluate the shear bond strength (SBS) of veneering ceramic and zirconia fabricated by the digital veneering method. Methods: A total of 50 specimens were fabricated, i.e., 10 specimens each for the metal-ceramic (control) group and the four zirconia groups. The zirconia groups comprised specimens fabricated by the digital veneering method, the heat pressing method, and hand layering method for two groups, respectively. Furthermore, the shear bond strength was measured with a universal testing machine (Model 3345, Instron, Canton, MA, USA) and statistically analyzed using one-way ANOVA set at a significance level of P < 0.05. The corresponding mode of failure was determined from Scanning Electron Microscope (FESEM JSM 6701F, Jeol Ltd., Japan) observations. Results: One-way analysis of variance (ANOVA) revealed that the metal-ceramic group had the highest SBS (43.62 MPa), followed by the digital veneering method (28.29 MPa), the heat pressing method (18.89 MPa), and the layering method (18.65, 17.21 MPa). The samples fabricated by digital veneering had a significantly higher SBS than the other zirconia samples (P < 0.05). All of the samples exhibited mixed failure. Conclusions: Veneering ceramic with a zirconia core that was fabricated via the digital veneering method is believed to be effective in clinical use since, its shear bond strength is significantly higher than that resulting from the conventional method.

Original languageEnglish
Pages (from-to)106-113
Number of pages8
JournalJournal of Prosthodontic Research
Volume60
Issue number2
DOIs
Publication statusPublished - 2016 Apr 1

Fingerprint

Shear Strength
Ceramics
Analysis of Variance
Hot Temperature
Metals
zirconium oxide
Japan
Hand
Electrons

Keywords

  • Digital veneering method
  • Heat pressing method
  • Layering method
  • Shear bond strength
  • Zirconia core

ASJC Scopus subject areas

  • Oral Surgery
  • Dentistry (miscellaneous)

Cite this

Evaluation of shear bond strength of veneering ceramics and zirconia fabricated by the digital veneering method. / Sim, Ji Young; Lee, Wan Sun; Kim, Ji Hwan; Kim, Hae-Young; Kim, Woong Chul.

In: Journal of Prosthodontic Research, Vol. 60, No. 2, 01.04.2016, p. 106-113.

Research output: Contribution to journalArticle

Sim, Ji Young ; Lee, Wan Sun ; Kim, Ji Hwan ; Kim, Hae-Young ; Kim, Woong Chul. / Evaluation of shear bond strength of veneering ceramics and zirconia fabricated by the digital veneering method. In: Journal of Prosthodontic Research. 2016 ; Vol. 60, No. 2. pp. 106-113.
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