An in vitro evaluation of fracture load of implant-supported zirconia-based prostheses fabricated with different veneer materials

Hiroki Takata, Futoshi Komine, Junichi Honda, Markus B. Blatz, Hideo Matsumura

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Objectives: The purpose of this in vitro study was to evaluate fracture loads of implant-supported zirconia-based prostheses fabricated with different veneer materials (resin-based material and lithium disilicate ceramics). Material and methods: Forty-four zirconia-based molar prostheses were fabricated on dental implants and divided into four groups (n = 11): zirconia-based prostheses veneered with feldspathic porcelain (ZVF), zirconia-based prostheses bonded with the lithium disilicate glass-ceramic veneer (ZBD), zirconia-based prostheses veneered with indirect composite resin (ZVC), and zirconia-based prostheses bonded with composite materials fabricated from a CAD/CAM resin block (ZBC). The zirconia-based prostheses and abutments were adhesively bonded with a dual-polymerized resin-based luting material. Fracture load was determined using compression load to the prostheses with a universal testing machine. The data were analyzed with one-way analysis of variance (ANOVA) and Tukey's HSD test (α =.05). Results: The mean fracture load was significantly higher in the ZBC group (3.95 kN) than in the ZVC group (3.28 kN). No significant difference in fracture load was found among the ZVF (3.52 kN), ZBD (3.48 kN), and ZVC groups. Conclusions: The adhesively bonded veneering technique enhances fracture resistance of implant-supported zirconia-based prostheses fabricated with a resin-based material. All implant-supported zirconia-based restorations tested should resist physiologic masticatory forces in the oral environment.

Original languageEnglish (US)
Pages (from-to)396-403
Number of pages8
JournalClinical Oral Implants Research
Volume29
Issue number4
DOIs
StatePublished - Apr 1 2018

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Prostheses and Implants
Bite Force
In Vitro Techniques
zirconium oxide
Computer-Aided Design
Dental Porcelain
Dental Implants
Composite Resins
Ceramics
Analysis of Variance

Keywords

  • fracture resistance
  • implant-supported prostheses
  • veneer
  • zirconia framework

ASJC Scopus subject areas

  • Oral Surgery

Cite this

An in vitro evaluation of fracture load of implant-supported zirconia-based prostheses fabricated with different veneer materials. / Takata, Hiroki; Komine, Futoshi; Honda, Junichi; Blatz, Markus B.; Matsumura, Hideo.

In: Clinical Oral Implants Research, Vol. 29, No. 4, 01.04.2018, p. 396-403.

Research output: Contribution to journalArticle

Takata, Hiroki ; Komine, Futoshi ; Honda, Junichi ; Blatz, Markus B. ; Matsumura, Hideo. / An in vitro evaluation of fracture load of implant-supported zirconia-based prostheses fabricated with different veneer materials. In: Clinical Oral Implants Research. 2018 ; Vol. 29, No. 4. pp. 396-403.
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