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BruxZir Solid Zirconia:
Superior Clinical Performance at 3+ Years

Description: The clinical performance of BruxZir molar crowns was superior to all other tooth-colored materials studied previously by the TRAC research division of Clinicians Report® over the course of 39 years. Based on scanning electron microcoscope (SEM), clinical and laboratory examinations performed three-and-a-half years after placement, BruxZir crowns exhibited 23 percent less wear than the pressed ceramic-over-zirconia control group. Over the course of the study, BruxZir crowns received more wear than they caused, with no reports of microcracks, surface cratering or adverse occlusal system effects.
3year Performance Report BruxZir 3-Year Clinical Perfomance Report

Translucency of CAD/CAM Ceramics

Description: Specimens of the zirconia products were more translucent at 0.5 mm thickness than at 1.0 mm thickness. At the 0.5 mm thickness, the translucency parameter ranged from 10.3 to 10.7, and BruxZir was significantly more translucent than the other three products. At the 1.0 mm thickness, the translucency parameter ranged from 7.1 to 7.8, and BruxZir was significantly more translucent than Zenostar® Zr and Lava™ Plus. Translucency parameter was a function of wavelength when measured between 360-750 nm in reflection.
Translucency of CADCAM Ceramics Translucency of CADCAM Ceramics

BruxZir Solid Zirconia Crowns and Bridges
4-year Clinical Performance Report

Conclusion: Over the four-year evaluation period, BruxZir Solid Zirconia Crowns and Bridges have proven to be excellent restorations with respect to esthetics and dependability. BruxZir Solid Zirconia Crowns and Bridges received a 98% clinical performance rating.

Zirconia vs. Porcelain Wear Study

Description: Although conventional belief might suggest that zirconia's high fracture strength and surface hardness would cause a greater degree of wear on enamel, a recent study found that the degree of wear on the opposing tooth was actually four times greater in dental porcelain than in polished, unglazed zirconia, suggesting that zirconia restorations are not only more fracture-resistant than porcelain restorations, but also gentler in their functional interaction with natural dentition.

BruxZir® Solid Zirconia vs. Ceramco®3 -
A Comparative Wear Study

Description: BruxZir Solid Zirconia and Ceramco3 were recently tested in a comparative wear study. Each material was tested using the Willytech Chewing Simulator, which simulated the clinical performance of the material over a period of five years. After 1.2 million wear cycles under a load of 5 kg, BruxZir Solid Zirconia compared favorably to Ceramco3 with barely detectable wear.

BruxZir® Solid Zirconia vs. IPS e.max®
Enamel Wear Test

Description: Some dentists are concerned about the wear of enamel when opposing BruxZir full-contour zirconia crowns and bridges. In a recent study1 to measure the volumetric loss of enamel, glazed BruxZir Solid Zirconia was found to wear compatible with enamel and virtually identical to glazed IPS e.max.

1. Wear of Enamel on Polished and Glazed Zirconia: Shah S, Michelson C, Beck P, Ramp LC, Cakir D, Burgess J. 2010; Washington, DC: AADR. Abstract #129615.

Light Transmission vs. Wavelength Graph

Description: BruxZir Zirconia exhibits higher translucency in the warm color spectral wavelength (>550 nanometers) allowing for more natural looking restorations.

Scanning Electron Microscope Images

Description: SEM of sintered, colloidally processed BruxZir Solid Zirconia vs. sintered, isostatically pressed zirconia.

High Flexural Strength

Description: Lithium disilicate ceramics deliver 400 MPa of flexural strength and typical zirconia materials have a flexural strength of more than 1200 MPa. However, because of post-powder processing, BruxZir Solid Zirconia dental restorations are able to exceed that strength threshold, with flexural strengths up to 1465 MPa.

Antagonist Wear Study

Description: The antagonistic (Steatite balls) wear shows BruxZir® Solid Zirconia only with 72±21 micron, which is significantly lower than Ceramco®3, with 110±48 micron. The University of Tübingen study was run using an eight chamber Willytec Chewing Simulator at 1.2 million cycles.

High-Strength Crown Options

Description: View a side-by-side comparison of high-strength crown options, and conduct your own analysis on how BruxZir restorations compare visually to traditional PFM and full-cast restorations. While some patients may favor the esthetics of precious or non-precious metals, BruxZir crowns & brides present a more lifelike tooth shade, making the final restoration nearly indistinguishable from natural dentition.
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