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

Clinical Oral Implants Research
Hiroki TakataHideo Matsumura

Abstract

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). 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). 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. The adhesively bonded veneering technique e...Continue Reading

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Citations

Jan 17, 2019·European Journal of Oral Sciences·Christopher RiedelUlrich Lohbauer
Jun 21, 2019·Journal of Oral Science·Fumiaki KimuraShogo Yagawa
Jun 28, 2018·Medical & Biological Engineering & Computing·María Prados-PrivadoJuan Carlos Prados-Frutos

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