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Published on: December 16, 2019
Removal of Modern Ceramics.
1Lecturer, University of California, Los Angeles, California; Private Practice, Newport Beach, California; Mentor, Kois Center, Seattle, Washington.
Removing modern dental crowns made of lithium disilicate and zirconia can be challenging. Proper cementation and preparation design are key for easier future removal using bur or laser techniques.
Area of Science:
- Dental materials science
- Restorative dentistry
Background:
- Lithium disilicate and zirconia are widely used for full-coverage dental crowns.
- The increasing prevalence of these restorations leads to more frequent removal procedures.
- Removal of these modern dental materials presents unique challenges for clinicians.
Purpose of the Study:
- To evaluate effective methods for removing lithium disilicate and zirconia dental restorations.
- To highlight the importance of proper cement selection and preparation design for retrievability.
- To compare the efficacy and benefits of bur and laser techniques for restoration removal.
Main Methods:
- Review of current literature on the removal of ceramic and zirconia dental restorations.
- Analysis of the effectiveness of mechanical (bur) and energy-based (laser) removal techniques.
- Discussion of factors influencing retrievability, including cement type and preparation design.
Main Results:
- Both bur and laser techniques are effective for removing lithium disilicate and zirconia crowns.
- Specific benefits exist for each technique, influencing clinical decision-making.
- Proper cement selection and preparation design significantly impact the ease of future restoration removal.
Conclusions:
- Clinicians must consider material properties, cementation, and preparation design for predictable restoration removal.
- Bur and laser techniques offer viable options for removing modern dental materials.
- Proactive planning for retrievability is essential in contemporary restorative dentistry.
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