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ZIRMAX M Zirconia

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ZIRMAX M® Superior Zirconia Solutions by Burbank Dental Lab

Every smile deserves the utmost precision, durability, and aesthetic perfection. That’s why we proudly offer ZIRMAX M, our exclusive proprietary zirconia material designed to set a new standard in dental restorations. With over 20 years of clinical success, ZIRMAX M provides unmatched quality, whether you’re crafting crowns, bridges, or implant-supported restorations.

What is ZIRMAX M®?

ZIRMAX M is a high-performance zirconia that combines strength, translucency, and natural aesthetics. Unlike traditional zirconia, which often requires compromises between durability and beauty, ZIRMAX M achieves the perfect balance. Its advanced composition makes it ideal for a wide range of restorative applications, from single-unit crowns to full-arch solutions.

Engineered with cutting-edge technology, ZIRMAX M delivers exceptional results that meet the demands of today’s dental professionals. 

COMPOSITION

Zirconium Oxide?& Yittrium Oxide

IN-LAB WORKING TIME

5-Days

WARRANTY

10-Years

FLEXURAL STRENGTH

1,300 MPa

ZIRMAX® Key Features

  • Exceptional Strength – ZIRMAX M offers superior flexural strength (1300 MPa). This material is highly resistant to chipping, cracking, or breaking under pressure. This durability ensures long-lasting restorations that withstand the rigors of daily wear.
  • Enhanced Aesthetics – ZIRMAX M mimics the natural appearance of teeth. It is a monolithic zirconia designed with 25% more translucency than other zirconia options on the market. It blends seamlessly with surrounding dentition, making it an excellent restorative option.
  • Precision Fit – Manufactured with state-of-the-art CAD/CAM technology, ZIRMAX M ensures a precise fit for every restoration. This level of accuracy minimizes chair time and reduces the need for adjustments, improving the efficiency of your practice.
  • Versatile Applications – From single crowns to full-mouth restorations, ZIRMAX M can be tailored to suit a variety of clinical situations. Its strength and beauty make it versatile for functional and cosmetic restorations.
  • Biocompatibility – ZIRMAX M is hypoallergenic and biocompatible, offering a safe and comfortable solution for patients with metal sensitivities or allergies. Its smooth surface also helps reduce plaque accumulation, promoting better oral health and giving you peace of mind about your patients’ safety.

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Indications For Use

  • Single-Unit Restorations – Perfect for crowns that need to look as natural as they are strong. They can either be used for full contour crowns or as a substructure for layered restorations.
  • Bridges – With its high strength, ZIRMAX M is ideal for multi-unit bridges that can withstand functional stresses.
  • Implant-Supported Restorations – ZIRMAX M is compatible with implant frameworks, ensuring excellent integration and durability.
  • Full-Arch Solutions – ZIRMAX M provides a reliable and aesthetically pleasing option for patients requiring full-mouth rehabilitation.

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Preparation Guidelines

Proper tooth preparation is crucial for the success of zirconia crowns, ensuring optimal fit, strength, and aesthetics. Here are the ideal preparation guidelines for anterior and posterior zirconia crowns:


Anterior ZIRMAX M Zirconia Crowns:

  • Incisal Reduction – 1.8–2.0 mm
  • Axial Reduction – 1.0–1.5 mm
  • Gingival Margin Reduction – At least 0.5 mm with a visible and continuous circumferential chamfer
  • Preparation Angle – Approximately 5° taper
  • Edge Contouring – All incisal edges should be rounded; avoid sharp angles
  • Lingual Reduction – Use a football-shaped diamond bur to create a concave lingual surface

Posterior ZIRMAX M Zirconia Crowns:

  • Occlusal Reduction – 1.5–2.0 mm
  • Axial Reduction – 1.0–1.5 mm
  • Gingival Margin Reduction – At least 0.5 mm with a visible and continuous circumferential chamfer
  • Preparation Taper – 4°–8° taper
  • Edge Contouring – Round all occlusal edges; avoid sharp angles

General Recommendations:

  • Margin Design – Chamfer or shoulder preparations are ideal for zirconia restorations.
  • Avoid – Undercuts, gutter preparations, 90° shoulder margins, and sharp incisal or occlusal edges, as these can compromise the fit and strength of the crown.
  • Bevels – Not recommended for zirconia crown preparations.

Cementation Guidelines

Proper tooth preparation is crucial for the success of zirconia crowns, ensuring optimal fit, strength, and aesthetics. Here are the ideal preparation guidelines for anterior and posterior zirconia crowns:


1. Preparation of the Zirconia Restoration:

  • Air-Abrasion – Before try-in, the internal surface of the zirconia restoration should be air-abraded to enhance micro-mechanical retention. This process increases the surface area for cement adhesion.

2. Try-In Phase:

  • Fit Evaluation – Place the restoration to assess fit and make necessary adjustments.

3. Decontamination:

  • MDP Primer Application – For adhesive cementation, apply a primer containing 10-methacryloyloxydecyl dihydrogen phosphate (MDP) to the cleaned internal surface. This primer enhances chemical bonding between the zirconia and resin cement. Follow the manufacturer’s instructions for application and drying times.

4. Tooth Preparation:

  • Cleaning – Ensure the tooth surface is clean. Use a brush with cleaning paste, rinse thoroughly with water, and dry with oil-free compressed air.
  • Desensitizer Application – Consider applying a desensitizing agent to reduce postoperative sensitivity.

5. Cementation:

  • Cement Selection – Choose the appropriate cement based on the preparation:
  • Retentive Preparations – Resin-modified glass ionomer (RMGI) cements are suitable for preparations with adequate mechanical retention.
  • Non-Retentive Preparations – For less retentive situations, adhesive resin cements are recommended.
  • Application – Apply the selected cement to the internal surface of the restoration. Seat the restoration firmly onto the prepared tooth.
  • Excess Removal – Remove any excess cement promptly. For resin cement, a brief light cure (tack cure) can facilitate the easier removal of excess material.
  • Final Curing – Follow the cement manufacturer’s instructions for final curing, whether light-curing or allowing self-curing to complete.

Chairside Adjustments

Effective chairside adjustments and polishing are critical to ensure the restoration’s functionality, longevity, and aesthetic appeal. Below are essential tips to guide clinicians through the process:


  1. Use the Right Tools – Select fine-grit diamond burs for adjustments to minimize surface scratches. Avoid coarse-grit burs, as they can leave deep marks that are more difficult to polish.
  2. Adopt Proper Technique – Apply light and consistent pressure while working with rotary instruments to prevent material overheating or weakening. Excessive force can lead to damage.
  3. Follow a Stepwise Polishing Approach – Start with coarse polishing tools to smooth out initial scratches, then progress to medium and fine polishers to achieve a glossy, smooth finish. This approach enhances both the functionality and appearance of the restoration.
  4. Dry Polishing Where Recommended – Some polishing systems work best without water, such as those designed for zirconia restorations. Ensure you follow the specific protocol for the material being adjusted.
  5. Inspect the Final Result – After polishing, examine the restoration to confirm a smooth, uniform surface. A well-polished finish improves aesthetics and reduces plaque buildup and wear on opposing teeth.

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FAQ

How does the translucency of ZIRMAX M zirconia perform in anterior and posterior restorations?

ZIRMAX M zirconia offers 25% more translucency than other monolithic zirconias, making it an excellent choice for anterior and posterior restorations.  In the anterior region, where achieving a natural and lifelike appearance is critical, it is recommended to use ZIRMAX M as a substructure and layer it with porcelain. This combination enhances the depth, color, and light transmission, closely mimicking the appearance of natural teeth while still benefiting from ZIRMAX M’s strength and durability. This approach ensures functional and aesthetic success, particularly in prominent areas of the mouth.


How well does ZIRMAX M zirconia mimic the light transmission of natural teeth?

ZIRMAX M effectively mimics the light transmission of natural teeth due to the material’s advanced technology. This zirconia is designed to offer an optimal balance between translucency and strength, providing natural results. ZIRMAX M zirconia achieves natural aesthetics by allowing light to pass through the material similarly to enamel, avoiding the opaque, “chalky” appearance seen in older zirconias. This translucency ensures restorations blend seamlessly with adjacent teeth, especially when customized with stains and glazes.


How resistant is ZIRMAX M zirconia to chipping and fracture under heavy occlusal forces?

ZIRMAX M zirconia has a strength rating of 1300 MPa, making it highly resistant to chipping and fractures even under heavy occlusal forces. This level of strength ensures durability in high-stress areas like molars and bridges, where restorations are subject to significant chewing forces. Combining strength and toughness in ZIRMAX M minimizes mechanical failure risk, providing dentists with long-term patient reliability and peace of mind. Its resilience also makes it an excellent choice for cases involving patients with bruxism or other parafunctional habits.

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