Effect of frame design on the fracture strength of a zirconia crown and porcelain-faced crown
Source abstract
Abstract
In this study, we investigated the effect of frame design on the fracture strength of a zirconia crown and porcelain-faced crown, with the aim of clinically applying a zirconia crown fabricated using computer-aided design and manufacturing. The results showed that the fracture strengths were 645.9 MPa with Frame Design 1, 759.5 MPa with Frame Design 2, and 989.7 MPa with Frame Design 3, suggesting that the fracture strength improved depending upon the frame design. The above information suggests that it is necessary for the zirconia crown frame form to have an occlusal surface table where the crown design has a reduced outer diameter, instead of using the conventional form of covering the abutment tooth with a thickness of 0.5 mm.
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Research context
OpenAlex topics: Dental materials and restorations · Dental Implant Techniques and Outcomes · Dental Research and COVID-19
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Crown and Bridge, The Nippon Dental University, School of Life Dentistry at Tokyo
Department of Prosthetic Dentistry and Biomaterials Science, Institute of Dentistry, University of Turku
References (31)
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