Wear behavior of dental Y-TZP ceramic against natural enamel after different finishing procedures

Mitov, Gergo; Heintze, Siegward D.; Walz, Stephanie; Woll, K.; Muecklich, Frank; Pospiech, Peter

doi:10.1016/j.dental.2012.04.010

Cited by 167 publications

(175 citation statements)

References 40 publications

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“…However, chipping of the veneering ceramics frequently occurs. The bonding mechanism between Y-TZP and the veneering ceramics is not well known, and the core-veneer interface is among the weakest aspects of these restorations even though the firm bonding of the veneering porcelain to the TZP substrate is recognized 1,2) . In in vitro studies of layered zirconia crowns, the fracture strength was mostly limited to the veneering ceramics 3) .…”

Section: Introductionmentioning

confidence: 99%

“…TZP could be used for fabricating high-strength monolithic restorations 9,10) and might be indicated, especially in posterior regions. It was reported that opaque TZP reduced the wear of antagonists such as human enamel 1,5,7,11) . Mitov et al reported the favorable wear behavior of polished zirconia against natural human enamel 1) .…”

Section: Introductionmentioning

confidence: 99%

“…Tetragonal zirconia polycrystals (TZPs) are widely used in the dental field as materials for fixed dental prostheses (FDPs) because of their excellent strength and superior fracture resistance as a result of an inherent transformation-toughening mechanism as well as their esthetics with white color 1) . For esthetics, opaque zirconia (TZP) frameworks must be veneered with translucent feldspar porcelain or glass ceramic material.…”

Section: Introductionmentioning

confidence: 99%

“…In in vitro studies of layered zirconia crowns, the fracture strength was mostly limited to the veneering ceramics 3) . In clinical applications, the veneering ceramics has also been shown to be the weakest link in zirconia-supported reconstructions 1) . With recent developments in CAD/CAM (computeraided design/computer-assisted manufacture) technologies and with the introduction of new ceramic materials, the possibility of milling full-contour ceramic restorations without veneering has gained increasing importance and popularity.…”

Section: Introductionmentioning

confidence: 99%

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Wear performance of bovine tooth enamel against translucent tetragonal zirconia polycrystals after different surface treatments

et al. 2014

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The wear performances of bovine tooth enamel (BTE) against translucent tetragonal zirconia polycrystals (TZP) compared to that of feldspar porcelain and the influence of surface treatments of translucent TZP were investigated by the two-body wear test. Translucent TZP and feldspar porcelain were used as hemisphere abrader specimens with a radius of curvature of 5 mm; flat BTE surfaces were used as substrate specimens. The cross-sectional area of the worn surfaces of the substrates and the wear volume of the antagonist abraders were measured. Surface roughness, hardness and coefficient of friction as well as SEM observations and EPMA analyses were also performed to investigate the underlying mechanism of wear. The results suggested that BTE is less susceptible to wear when translucent TZP is used as the antagonist in contrast to the use of feldspar porcelain, and that surface treatment of the TZP abraders significantly influenced the wear of BTE substrates.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Wear performance of bovine tooth enamel against translucent tetragonal zirconia polycrystals after different surface treatments

et al. 2014

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“…In their studies, fine polishing with 10-μm SiC polishing papers or using diamond rubber burrs with 106-125-and 20-30-μm grain sizes did effectively reduce enamel abrasion. Many other studies also verified that finely polished zirconia will not induce excessive abrasion of natural teeth and even provide better protection than other dental ceramics having different surface treatments [102][103][104][105][106]. A 1-year follow-up study revealed that polished full-contour zirconia crowns led to less wear of antagonist enamel, 42.10 ± 4.30 μm for premolar and 127.00 ± 5.03 μm for molar, than porcelainfused-metal crowns, which were 69.20 ± 4.10 μm for premolar and 179.70 ± 8.09 μm for molar.…”

Section: Wear Performancementioning

confidence: 99%

Zirconia ceramics in metal-free implant dentistry

Han

Zhao

Shen

2016

Advances in Applied Ceramics

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Because of their outstanding mechanical properties, chemical stability, and biocompatibility, 3-mol % yttria-stabilised tetragonal zirconia polycrystals (3Y-TZP), known as zirconia ceramics in dentistry, are an important choice for various types of prosthesis. In addition to extensive use for crown and bridge construction, considerable interest has been generated for applications in implant dentistry, including full-contour zirconia crowns as supra-constructions, zirconia abutments, and novel zirconia implants. However, their use among dentist and researchers is controversial, especially compared with the well-established implants made of titanium alloys. As a latecomer, the merits and limitations of 3Y-TZP are awaiting careful investigation. Design, manufacturing, and clinical operation guidelines are urgently needed. The aim of this review was to address the present status of the application of zirconia ceramics related to implant dentistry by analysing the published data from both in vitro and in vivo studies. Suggestions are provided for potential improvements and suitable applications of zirconia ceramics in metal-free implant dentistry. ARTICLE HISTORY

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