Skip to content

Empowering Your Dental Laboratory

DENTAL CAD CAM

Maximizing Clinical Success with AZR-T White: Technical Insights and Advanced Applications

by XuNero 04 May 2025 0 Comments

Technical Profile: Understanding AZR-T White's Composition

AZR-T White's exceptional performance stems from its carefully engineered 4Y-TZP formulation:

  • Yttria content: 4 mol% yttria stabilization creates the optimal crystal phase distribution
  • Crystal structure: Balanced cubic and tetragonal phases for ideal mechanical and optical properties
  • Grain size: Controlled at 0.5μm average for optimal light diffusion and mechanical integrity
  • Density: >6.08 g/cm³ after sintering, ensuring maximum strength development

[PLACE TECHNICAL IMAGE: Microscopic image or technical diagram showing the material's structure]

This scientific formulation results in the perfect balance of 1200 MPa flexural strength and 43% translucency that defines AZR-T White's clinical versatility.

Comparative Analysis: AZR-T White vs. Alternative Materials

Property AZR-T White (4Y-TZP) Lithium Disilicate Traditional Zirconia (3Y-TZP) Ultra-Translucent Zirconia (5Y-TZP)
Flexural Strength 1200 MPa 360-400 MPa 1200-1400 MPa 700-800 MPa
Translucency 43% 45-50% 30-35% 45-50%
Minimum Thickness 0.6mm anterior<br>0.8mm posterior 1.0mm anterior<br>1.5mm posterior 0.5mm 0.8mm
Indications Single units to 3-unit bridges anywhere, 4-unit anterior bridges Single units, 3-unit anterior bridges Up to long-span bridges Single units, up to 3-unit bridges
Cementation Adhesive or conventional Adhesive only Adhesive or conventional Adhesive recommended

Advanced Clinical Case Study: Full-Arch Rehabilitation with Mixed Restorations

Patient Profile: A 56-year-old male executive presented with a failing dentition including multiple old crowns, recurrent decay, two missing premolars, and generalized wear. The patient expressed concerns about aesthetics and longevity, with a desire for fixed restorations throughout.

[PLACE BEFORE IMAGE: Clinical photograph showing the patient's initial condition with failing restorations]

Comprehensive Assessment:

  • Severely worn anterior teeth with diminished vertical dimension
  • Two implants in positions #4 and #13 (upper right and left premolars)
  • Endodontically treated teeth #8, #9, #19, and #30
  • High caries risk with multiple recurrent lesions
  • Moderate periodontal involvement requiring pre-prosthetic therapy
  • High functional demands with history of bruxism

Treatment Strategy: After comprehensive evaluation and diagnostic wax-up, a phased treatment plan was developed focusing on full-mouth rehabilitation. AZR-T White was selected as the primary restorative material due to its versatility across different clinical situations.

[PLACE PLANNING IMAGE: Image showing the diagnostic wax-up or digital treatment planning]

Technical Execution:

  1. Anterior Region (teeth #6-11):
    • Preparation designed for maximum conservation of tooth structure
    • Full-contour monolithic AZR-T White crowns
    • Digital smile design principles incorporated for optimal aesthetics
    • Natural surface texture and minimal extrinsic characterization
  2. Posterior Region (teeth #2-5, #12-15, #18-21, #28-31):
    • Functional occlusal design with proper guidance and support
    • Full-contour monolithic AZR-T White crowns
    • Anatomical occlusal morphology with proper cusp-fossa relationships
    • Custom staining for age-appropriate characterization
  3. Implant Restorations (positions #4 and #13):
    • Custom zirconia abutments with screw-retained AZR-T White crowns
    • Optimized emergence profiles for tissue health
    • Perfect shade match with adjacent natural tooth restorations

CAD/CAM Processing Protocol:

  • High-precision digital impressions using intraoral scanner
  • Virtual articulation and occlusal adjustment
  • Nesting in AZR-T White discs optimized for material efficiency
  • Specific milling strategies to maximize edge detail and surface quality
  • Two-stage sintering protocol for maximum strength development
  • Minimal extrinsic staining focused on occlusal anatomy and incisal effects

[PLACE PROCESSING IMAGE: Image showing the CAD/CAM workflow with the material]

Clinical Outcomes: The completed rehabilitation demonstrated several key advantages of using AZR-T White throughout the case:

[PLACE AFTER IMAGE: Clinical photograph showing the completed restoration with excellent aesthetics]

  • Shade Consistency: Perfect matching between anterior and posterior restorations
  • Functional Performance: No chipping or fractures at 24-month follow-up despite patient's bruxism history
  • Tissue Health: Excellent soft tissue response with no inflammation around crown margins
  • Wear Compatibility: Minimal wear on opposing natural dentition due to highly polished zirconia surfaces
  • Patient Satisfaction: Complete satisfaction with both aesthetics and comfort

Most notably, the endodontically treated teeth showed no difference in appearance compared to vital teeth, highlighting AZR-T White's ideal translucency for masking discolored preparations without obvious opacity differences.

Technical Insights for Optimal Results with AZR-T White

Preparation Guidelines

  • Anterior teeth: Minimum 0.6mm reduction with rounded shoulder margin
  • Posterior teeth: Minimum 0.8mm occlusal reduction with 1.0mm functional cusps
  • Margin design: Rounded shoulder or chamfer with no sharp internal angles
  • Transitional angles: All internal line angles should be rounded to reduce stress concentration

[PLACE TECHNIQUE IMAGE: Diagram showing proper preparation techniques]

Processing Recommendations

  • Milling strategy: Utilize specific zirconia strategies with appropriate step-over distances
  • Green-state handling: Minimal pressure during removal from disc and cleaning
  • Sintering protocol: Follow manufacturer's exact temperature curve for optimal mechanical properties
  • Surface treatments: Prefer mechanical polishing over glazing for optimum wear characteristics and strength

Cementation Protocol

While AZR-T White is compatible with both adhesive and conventional cementation, optimal results are achieved with:

  • Sandblasting internal surfaces with 50μm aluminum oxide at 1-2 bar pressure
  • Application of zirconia primer containing MDP phosphate monomer
  • Use of dual-cure resin cement, particularly for cases with less than ideal retention

Conclusion

AZR-T White represents the evolution of zirconia materials, striking the perfect balance between strength and aesthetics that makes it suitable for nearly any restorative challenge. Its 43% translucency provides natural light transmission while its 1200 MPa flexural strength ensures long-term durability even in demanding functional situations.

For practices seeking to streamline inventory while maximizing clinical versatility, AZR-T White offers a single-material solution for everything from anterior cosmetic cases to posterior functional restorations. Its ability to deliver predictable results across a wide spectrum of indications makes it an invaluable addition to any digital workflow.

Purchase AZR-T White Zirconia Discs Here

Prev Post
Next Post

Leave a comment

All blog comments are checked prior to publishing

Thanks for subscribing!

This email has been registered!

Shop the look

Choose Options

WallaBC Official
Sign Up for exclusive updates, new arrivals & insider only discounts

Recently Viewed

Social

Edit Option
Back In Stock Notification
Terms & Conditions
What is Lorem Ipsum? Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum. Why do we use it? It is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout. The point of using Lorem Ipsum is that it has a more-or-less normal distribution of letters, as opposed to using 'Content here, content here', making it look like readable English. Many desktop publishing packages and web page editors now use Lorem Ipsum as their default model text, and a search for 'lorem ipsum' will uncover many web sites still in their infancy. Various versions have evolved over the years, sometimes by accident, sometimes on purpose (injected humour and the like).
this is just a warning
Login
Shopping Cart
0 items