Current status of zirconia-based fixed restorations

Komine, Futoshi; Blatz, Markus B.; Matsumura, Hideo

doi:10.2334/josnusd.52.531

Cited by 145 publications

(132 citation statements)

References 54 publications

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“…The rate of chipping of layering porcelain was higher for implant-supported zirconiabased restorations (10-40%) than for tooth-supported zirconia-based restorations [6][7][8][9] . Factors that influence chipping of layering porcelain in zirconia-based restorations include brittleness of the layering porcelain, inappropriate framework support for the veneer, and unfavorable shear forces between the zirconia framework and layering material 10) . In a bilayered structure, failure typically occurs in the weaker material or the weak interface of the unit.…”

Section: Introductionmentioning

confidence: 99%

Shear bond strengths of an indirect composite layering material to a tribochemically silica-coated zirconia framework material

et al. 2016

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Section: Introductionmentioning

confidence: 99%

Shear bond strengths of an indirect composite layering material to a tribochemically silica-coated zirconia framework material

et al. 2016

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“…The clinical outcomes for implantsupported, zirconia-based, all-ceramic restorations were equivalent to those of tooth-supported restorations [6][7][8] ; however, the rate of chipping was higher than that for tooth-supported restorations [6][7][8] , perhaps because the absence of the periodontal ligament around the implants results in high occlusal stress on implant-supported restorations 9,10) . Chipping of layering porcelain in zirconiabased restorations can be caused by limitations in the mechanical properties of the layering porcelain, inadequate coping design, inadequate bond strength between layering material and the coping, and thermal stress during porcelain firing 11) . Use of layered indirect composite materials in implant-supported, zirconiabased, fixed restorations might lessen chipping of layering materials.…”

Section: Introductionmentioning

confidence: 99%

In vitro comparison of fracture load of implant-supported, zirconia-based, porcelain- and composite-layered restorations after artificial aging

et al. 2014

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This study evaluated fracture load of single-tooth, implant-supported, zirconia-based, porcelain-and indirect composite-layered restorations after artificial aging. Forty-four zirconia-based molar restorations were fabricated on implant abutments and divided into four groups, namely, zirconia-based all-ceramic restorations (ZAC group) and three types of zirconia-based composite-layered restorations (ZIC-P, ZIC-E, and ZIC groups). Before layering an indirect composite material, the zirconia copings in the ZIC-P and ZIC-E groups were primed with Clearfil Photo Bond and Estenia Opaque Primer, respectively. All restorations were cemented on the abutments with glass-ionomer cement and then subjected to thermal cycling and cyclic loading. All specimens survived thermal cycling and cyclic loading. The fracture load of the ZIC-P group (2.72 kN) was not significantly different from that of the ZAC group (3.05 kN). The fracture load of the zirconia-based composite-layered restoration primed with Clearfil Photo Bond (ZIC-P) was comparable to that of the zirconia-based all-ceramic restoration (ZAC) after artificial aging.

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“…All-ceramic restorations have been widely used for their superior aesthetic results and biocompatibility [1][2][3][4] . Various ceramic materials have been developed, and in some studies, their mechanical and physical characteristics have been evaluated and reported on [5][6][7] .…”

Section: Introductionmentioning

confidence: 99%

Translucency and flexural strength of monolithic translucent zirconia and porcelain-layered zirconia

Matsuzaki

Sekine

Honma

et al. 2015

Dental Materials Journal

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This study aims to investigate the effectiveness of monolithic translucent TZP with different colors and porcelain-layered TZP by evaluating their colors and strengths. Different mixing ratios of Zpex to Zpex-Yellow as translucent TZP, conventional opaque TZP (TZ-3YB-E) (Tosoh, Tokyo) as a control, and veneering porcelain (CERABIEN ZR, body porcelain, Noritake, Tokyo) with shade A3 as a typical shade. Disk-shaped specimens of 13 mm diameter and 1.5 mm thickness were prepared. These specimens were observed under reflected and transmitted light, and the translucency parameter (TP) values were measured. Strength was also evaluated with flexural strength in a biaxial bending test. The TP values of the monolithic TZP, Zpex100>Zpex70>Zpex50>TZ3YB, were larger in this order. The flexural strength of all the monolithic TZP showed approximately 1,000 MPa. It is suggested that colored translucent TZP is clinically useful when used as monolithic restorations.

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Current status of zirconia-based fixed restorations

Cited by 145 publications

References 54 publications

Shear bond strengths of an indirect composite layering material to a tribochemically silica-coated zirconia framework material

Shear bond strengths of an indirect composite layering material to a tribochemically silica-coated zirconia framework material

In vitro comparison of fracture load of implant-supported, zirconia-based, porcelain- and composite-layered restorations after artificial aging

Translucency and flexural strength of monolithic translucent zirconia and porcelain-layered zirconia

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