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All-Ceramic and Metal-Ceramic Restorations for Optimal Esthetics Part 2
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There are a number of factors that must be determined both during diagnosis and during treatment to provide optimal success with all-ceramic crowns.  This presentation will describe these factors that optimize success.


Learning Objectives:


  1. Know the diagnosis and treatment planning factors that affect success
  2. Understand the tooth preparations features that minimize complications
  3. Compare the characteristics of zirconia and lithium disilicate crowns
  4. Understand the cementation procedures that optimize all-ceramic crowns
  5. Know how to optimize the shade selection process when using all-ceramic crowns



The quest for optimal esthetics along with the development of increased strength in the materials available for fabricating all-ceramic crowns has led to a significant increase in their clinical use.  This presentation lists the most common complications that occur with all-ceramic crowns and discusses the diagnosis/treatment planning factors and tooth preparation factors that help to minimize crown fracture.  Additionally, the tooth preparation factors required to optimize the CAD/CAM fabrication process are identified. The effect of the type of material and cementation process are described along with a discussion of ceramic onlays and inlays.  The presentation ends by illustrating the process by which the color of all-ceramic crowns can be optimized.


  1. The most common all-ceramic crown complications
  2. Diagnosis and treatment planning factors that minimize fracture
  3. Tooth preparation factors that minimize fracture
    1. Amount of reduction
    2. Axial reduction uniformity and depth
    3. Incisocervical/occlusocervical dimension
    4. Line angle form
    5. Total occlusal convergence
  4. What tooth preparation form is required for CAD/CAM crowns?
  5. Comparison of different types of materials
  6. Veneer chipping
  7. Type of cement and crown survival
  8. What do we know about ceramic onlays and inlays?
  9. How to optimize the color of all-ceramic crowns
    1. Video showing shade guide use
    2. Video showing digital shade selection
    3. Identification of translucent and transparent areas
    4. Dentin shade selection
    5. Gingival shade selection
    6. Digital image requirements
    7. Use of contraster
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