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Lithium disilicate single crowns demonstrate favorable clinical outcomes in 1 through 5 years compared with lithium disilicate fixed prostheses

Julie M. Coe, DDS, MS, MBA .


Systematic Review Conclusion

Lithium disilicate (LD) single crowns indicated excellent outcome in 1 through 5 years (5-year cumulative survival, 97.8%) compared with LD fixed prostheses with only a fair outcome (5-year cumulative survival, 78.1%).

Critical Summary Assessment

A medium-quality systematic review with limited evidence indicated LD single crowns have excellent 1 through 5 year survival rates compared with LD fixed dental prostheses (FDP). For both types, most failures were in the posterior region.

Evidence Quality Rating

Limited Evidence

This summary is published in the Journal of the American Dental Association and can be accessed at:

Critical Summary Publication Date:


These summaries are not intended to, and do not, express, imply, or summarize standards of care, but rather provide a concise reference for dentists to aid in understanding and applying evidence from the referenced systematic review in making clinically sound decisions as guided by their clinical judgment and by patient needs. American Dental Association © 2019