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Vickers Hardness is tested by striking specially shaped diamond anvil against the material and measuring the size of the indent created with varying force.

In dentistry, hardness is what creates the clackiness found with most ceramic dentistry, as opposed to the soft and gentle bite characteristics of a Crystal Ultra restoration.

At less than 0.7 GPa (700 MPa), Crystal Ultra is the only esthetic material that is gentler than natural dentin.

 

Upcoming Trade Shows

Please visit Digital Dental at our booth at one of these trade shows this year.

  • May 10-12, 2018 - FDLA - Orlando, FL
  • May 18-19, 2018 - LMT West - Garden Grove, CA
  • June 21-23, 2018 - FDAC - Kissamee, FL
  • Sep 8, 2018 - LMT East  - Philadelphia, PA
  • Sep 26-29, 2018 - AAID - Dallas, TX
  • Sep 28-29, 2018 - IDT - Phoenix, AZ
  • Oct 11-13, 2018 - DLOAC CAD/CAM Expo - Orange County, CA
  • Oct 31-Nov 3, 2018 - ACP - Baltimore, MD

Crystal Ultra Specs

Physical Property Measurement
 Vickers Hardness (200 p)  710 MPa **
 Modulus of Elasticity 
(Young Modulus)
 10,000 MPa **
 Flexural Strength  175 MPa **
 Compressive Strength  480-500 MPa **
 Density  1.89 g/cm3
 Chemical Solubility  1.29 μg/cm3
 Water Absorption  16.94 μg/mm3
 Water Solubility  0.04 μg/mm3
 Biocompatibility  Confirmed
 Ceramic Filler  70.02% (wt)
 Color Stability  Confirmed
 Shade Consistency  Confirmed
 Surface Finish  Smooth
 Bond Strength  27-37 MPa

FDA LISTED

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CE CERTIFIED

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IDENTCERAM

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SAFETY DATA

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