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The Numbers Are In: 8 Years of Clinical Validation

The Numbers Are In: 8 Years of Clinical Validation

TRAC Research, the clinical studies section of the independent Gordon J. Christensen Clinicians Report®, performs in-depth, long-term clinical studies on restorative materials, preventive dentistry and dental caries. Over the last 42 years, TRAC has conducted clinical studies of over 200 tooth-colored materials.

BruxZir® Best Meets 7 Ideal Characteristics

One purpose of these clinical studies is to find the restorative material with the best performance when measured against seven ideal characteristics:

  • Realistic, lifelike coloring
  • Minimal preparation requirements
  • Tolerance of abuse by clinician and patient
  • Reasonable cost
  • Easy, long-lasting cementation
  • Trouble-free service for at least 10 years
  • Kindness to opposing dentition

According to the November 2018 issue of the independent Gordon J. Christensen Clinicians Report, the material that best meets these seven characteristics is BruxZir® Solid Zirconia. Throughout its eight-year clinical history, BruxZir Solid Zirconia has consistently shown itself to be long-lasting, affordable, and gentle on opposing dentition. It has also demonstrated excellent tolerance of clinical abuse such as occlusal adjustments made both in hand and after cementation.

Clinicians Report highlights the fact that BruxZir zirconia exhibited a 100 percent survival rate and zero terminal fractures after eight years of clinical study. This solid clinical evidence illustrates the long-term benefits your patients will receive from the most clinically validated monolithic zirconia in dentistry.

This solid clinical evidence illustrates the long-term benefits your patients will receive from the most clinically validated monolithic zirconia in dentistry.

Both restorative formulations in the BruxZir Solid Zirconia line of materials exhibit flexural strengths significantly greater than those of other tooth-colored options, including lithium disilicate ceramic. Both formulations of BruxZir zirconia also exceed ISO standards for posterior ceramic bridges.

Glazed BruxZir Full-Strength zirconia was found to cause less enamel wear than glazed IPS e.max® in a study that measured the volumetric loss of enamel following simulated chewing function.1

BruxZir Full-Strength zirconia was shown to cause significantly less wear than Ceramco®3 porcelain in a study that compared the effect of the materials on opposing dentition after 1.2 million cycles (the clinical equivalent of approximately five years) in a Willytec Chewing Simulator.

Jim Glidewell Responds to the Report

Jim Glidewell, CDT, president and CEO of Glidewell Dental, was gratified to hear the results of this long-term research. “Nearly 10 years and more than 18 million BruxZir restorations later, this new report from TRAC Research and the independent Clinicians Report confirms that BruxZir restorations have exceeded every hope and expectation for success,” he said.

Zirconia: The Most Durable Tooth-Colored Crown Material in Clinical Study

The numbers don’t lie. From single-unit crowns that offer premier esthetics to full-arch implant bridges, BruxZir Solid Zirconia allows dentists to prescribe zirconia anywhere in the mouth. With class-leading strength and proven longevity, BruxZir Solid Zirconia is the most prescribed brand of full-contour zirconia.

Monolithic Zirconia with Proven Performance

The three studies shown above showcase the high flexural strength, favorable wear characteristics and superior durability of BruxZir Solid Zirconia, and further illustrate why the Gordon J. Christensen Clinicians Report recommends that clinicians rely only on trusted brand names.

The Unmatched Clinical Validation of BruxZir Solid Zirconia

BruxZir zirconia demonstrated excellent clinical performance in an eight-year study with:

  • 100 percent survival
  • 0 terminal fractures
  • Minimal wear on opposing dentition

As you strive to give your patients beautiful, long-lasting restorations, look no further than the unparalleled, clinically proven performance of BruxZir Solid Zirconia.

For the complete report, please visit bruxzir.com/8-year.

For more on BruxZir Solid Zirconia, visit bruxzir.com.

Clinicians Report® is an independent, non-profit, dental education and product testing foundation, Clinicians Report®, November, 2018. Study results apply to BruxZir 2009 3Y zirconia.

IPS e.max is a registered trademark of Ivoclar Vivadent. Ceramco is a registered trademark of Dentsply Sirona Inc.


  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. Study results apply to BruxZir 2009 3Y zirconia.
Chairside Magazine: Volume 14, Issue 1

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