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TABLE OF CONTENTS

IPS e.max

Choosing the right material for teeth restorations can make all the difference in achieving superior aesthetics and long-term durability for your patients. IPS e.max, a lithium disilicate glass-ceramic, has become a trusted material among dentists worldwide. It offers a versatile solution combining strength, beauty, and clinical reliability, whether crafting dental crowns, dental veneers, or inlays.

What is IPS e.max?

IPS e.max is a high-performance ceramic renowned for its unmatched blend of translucency and strength. Its lithium disilicate composition ensures durability while mimicking the natural appearance of enamel. Available in pressable and CAD/CAM options, this material is ideal for creating lifelike restorations with precision and efficiency.

Clinical studies have demonstrated the reliability of IPS e.max restorations, with a survival rate exceeding 95% over 10 years. These outcomes highlight the material’s durability in high-stress and aesthetic applications. Due to its chipping and cracking resistance, it’s the ideal choice for long-term patient care. Its ability to maintain color stability and resist wear confirms its clinical effectiveness in diverse scenarios.

With its versatility, IPS e.max can be customized to meet various clinical needs. Dentists appreciate its ability to deliver consistent results for anterior or posterior restorations.

COMPOSITION

Lithium Disilicate

SEE SPECIFICATIONS

IN-LAB WORKING TIME

7-Days

SEE WORKING TIMES

WARRANTY

Crowns: 5 Years
Veneers: 1-Year Conditional Warranty

WARRANTY DETAILS

FLEXURAL STRENGTH

470 MPa

WHAT IS FLEXURAL STRENGTH?
IPS e.max - Burbank Dental Lab
The Advantages of IPS e.max

IPS e.max® Key Features

  • High Strength and Durability – With a flexural strength of 470 MPa, IPS e.max is strong enough for crowns, bridges, and other restorations, even in areas of high occlusal stress.
  • Natural Aesthetics – IPS e.max mimics the translucency and color of natural teeth, making it an excellent choice for patients seeking highly aesthetic results.
  • Versatile Applications – Suitable for dental crowns, veneers, inlays, onlays, and short-span bridges, IPS e.max works well for anterior and posterior restorations.
  • Minimal Preparation – The material allows for conservative tooth preparation, preserving more natural tooth structure while achieving excellent results.
  • Biocompatibility – IPS e.max is gentle on gingival tissues, promoting healthy integration with the surrounding oral environment.
  • CAD/CAM and Pressable Options – Whether you prefer the precision of digital workflows or traditional pressing techniques, IPS e.max adapts seamlessly to your preferred method.
  • Color Stability – Unlike some materials, IPS e.max resists discoloration over time, ensuring long-lasting patient satisfaction.
  • Reliable Adhesion – The lithium disilicate composition provides excellent bonding properties, ensuring a secure fit using the correct adhesive protocols.
  • Resistance to Wear – IPS e.max minimizes wear on opposing teeth, making it a safe option for restorative dentistry.

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Indications For Use

IPS e.max is suitable for a variety of restorative applications, including:

The material’s high strength (470 MPa for monolithic restorations) and aesthetic properties make it an excellent choice for functional and cosmetic dentistry.

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IPS e.max Monolithic - Burbank Dental Lab

Preparation Guidelines

The preparation of IPS e.max restorations is essential to their longevity and success. Follow these guidelines to achieve the best results:

  • Dental veneers: Maintain a uniform reduction of 0.3 mm to 0.7 mm. Ensure feather-edge margins for natural blending.
  • Dental crowns: Prepare a chamfer or shoulder margin with a depth of 1.0 mm to 1.5 mm. Occlusal reduction should be 1.5 mm to 2.0 mm.
  • Inlays/Onlays: Achieve a uniform reduction of 1.5 mm in the functional areas and 1.0 mm in the non-functional areas. Ensure rounded internal angles to prevent stress fractures.
IPS e.max - esthetic lithium disilicate glass-ceramic - Burbank Dental Lab CA
IPS e.max restorations - Burbank Dental Lab

Cementation Guidelines

Cementing IPS e.max restorations requires precision to ensure a strong bond and excellent marginal adaptation. Follow these steps for the best results:

1. Clean the restoration

  • Use an ultrasonic cleaner or rinse thoroughly with alcohol.

2. Try-in the restoration

  • Before cementation, evaluate the fit, occlusion, and aesthetics of the restoration.
  • Use a try-in paste to assess shade and ensure proper placement. Adjust as necessary before proceeding.

3. Etch

  • Apply hydrofluoric acid gel (4-5%) to the internal surface for 20 seconds.

4. Prime

  • Use a silane coupling agent to promote adhesion.

5. Adhesion cementation

  • Select a dual-cure or light-cure resin cement based on the case requirements. Light-cure cements are ideal for veneers and thin restorations, while dual-cure cements work well for thicker restorations.
IPS e.max restorations - Burbank Dental Lab

Chairside Adjustments

Making chairside adjustments to IPS e.max restorations is straightforward, but specific protocols must be followed to avoid compromising the material:

  1. Use fine-grit diamond burs to adjust contours and occlusion. Apply light pressure to avoid generating heat, which could damage the ceramic.
  2. Avoid using coarse burs or instruments that could cause microcracks.
  3. For occlusal adjustments, ensure adjustments are minimal and focused, as removing too much material can weaken the restoration.
  4. Polish the surface with rubber polishing wheels or diamond polishing pastes to restore its smoothness and luster. For the best finish, use a multi-step polishing system.

IPS e.max retains its aesthetic appeal with proper polishing and prevents wear on opposing teeth. Always verify the adjusted restoration’s fit and occlusion before cementation to ensure optimal performance.

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FAQ

How does IPS e.max compare to Zirconia?

  • While Zirconia offers higher strength (approximately 1,000 MPa or more), IPS e.max provides superior aesthetics due to its enhanced translucency. This makes e.max ideal for anterior restorations and situations where a natural appearance is critical.
  • Due to its incredible durability, Zirconia is preferred in high-stress areas, such as posterior crowns and full-arch bridges. Meanwhile, IPS e.max’s lifelike finish blends seamlessly with the surrounding natural dentition.
  • Zirconia restorations often require more aggressive preparation, while IPS e.max allows for conservative tooth preparation, preserving more of the natural tooth structure. 

Both materials serve complementary roles, and the choice depends on the specific clinical situation and aesthetic demands.

What do you recommend for bonding e.max?

A multi-step adhesive protocol is recommended for bonding IPS e.max. This includes surface preparation with hydrofluoric acid etching and applying a silane coupling agent to enhance bond strength. Adhesive resin cement should then be used, tailored to the restoration type. For thin restorations like veneers, light-cure resin cement ensures optimal aesthetics. For thicker restorations, dual-cure resin cement provides adequate polymerization. Always ensure clean and dry surfaces to maximize adhesion.

Can IPS e.max cover a heavily discolored tooth?

Yes, IPS e.max can effectively mask moderate to heavy discoloration of a prepped tooth when used in its high-opacity forms. Selecting the appropriate translucency level is essential in achieving aesthetic and functional success. High-opacity or medium-opacity blocks are recommended for cases involving dark underlying structures.

Also, proper shade selection and layering techniques can create a natural appearance while ensuring full discoloration coverage.

CASE STUDIES

The Benefits of E.MAX Restoration: A Case Study

Optimized Treatment Planning:
A Case Study with E.MAX Restorations

Single Central: Information is Key

BLOG ARTICLES

Choosing the Optimal Dental Material:
Zirconia vs. E.Max

IPS. e.max: Strength In A Smile

Dental Zirconia: Tips for Success

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Slide 1

Fabrication
of the future
is here!

Burbank Dental Lab has three new state-of-the-art Carbon M2 printers. We are very excited about the options that these cutting-edge printers will allow us to offer our dental clients. Here are some of the advantages that these printers will begin to deliver to you and your dental practice.

Our New
State-Of-The-Art
3d Printers

Carbon offers a highly dependable 3D manufacturing solution for many dental applications with its breakthrough Digital Light Synthesis™ technology, enabled by a wide range of dental materials.

a new baseline
for innovation
in fabrication.

Burbank Dental Lab has the next generation of Carbon DLS™. Meet our new Carbon M3 and M3 Max printers. These advanced printers enhance fabrication possibilities using Digital Light Synthesis™ technology, enabling us to provide quality and innovation for our clients.

Carbon M3 Printer - Burbank Dental Lab - CA

Meet Our New
next generation of carbon DLS™
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The M3 printer is the cutting edge of DLS printing with a true 4K light engine. We save time and improve quality with Automated Print Ppreparation which ensures high-quality assurance and results.