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Make it e.max®, because it matters

IPS e.max®

The Lithium Disilicate you know, but better

  • 500 MPa Average Flexural Strength
  • 2.0 - 2.5 MPa m1/2 Fracture Toughness
  • Wide range of translucencies
  • 1.0mm preparation with adhesive bonding

Ivoclar Vivadent is committed to quality at every step of the manufacturing process for IPS e.max and as part of that commitment, we test every single batch of material produced for a wide range of attributes to ensure that they meet your high standards.

IPS e.max has always been stated to have a minimum design specification flexural strength of 360MPa. Nothing we make will fall below those values. After over 10 years and thousands of batches tested, we feel comfortable communicating new information about these materials. Click here to read IPS e.max Scientific Report

Minimum strength values are important to know but rarely communicated by other companies. Ivoclar Vivadent has been conservative when reporting flexural strength data to the market, but the reality is that after over 10 thousand production sample tests, IPS e.max Lithium Disilicate produces an average flexural strength of over 500MPa.

IPS e.max Lithium Disilicate Biaxial Flexural Strength Values


Adhesive Cementation Preparation

The impressive flexural strength and fracture toughness values help to validate IPS e.max's phenomenal success rates over the last decade. It also lends to the ability to do more conservative dentistry which benefits laboratories, dentists and patients. Because of these proven higher strength values and the track record of success, Ivoclar Vivadent is now recommending as little as 1.0mm occlusal reduction for IPS e.max restorations when adhesively cemented.

Download the new IPS e.max Prep Guide