What is it about?
To evaluate the fatigue survival, failure mode, and maximum principal stress (MP Stress) and strain (MP Strain) of resin-matrix ceramic systems used for implant-supported crowns.
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Why is it important?
All resin-matrix ceramics crowns demonstrated high probability of survival in a physiological molar load, whereas Shofu Hard and Cerasmart outperformed Enamic and Shofu HC at higher loads. Material fracture comprised the main failure mode.
Perspectives
•Resin-matrix ceramics systems demonstrated high reliability at functional loads. •Resin-matrix ceramic fracture, chipping or catastrophic, is the chief failure mode. •Cracks originated by quasiplastic deformation under compression loading.
Dr Satoshi Yamaguchi
Osaka University Graduate School of Dentistry
Read the Original
This page is a summary of: Survival of implant-supported resin-matrix ceramic crowns: In silico and fatigue analyses, Dental Materials, January 2021, Elsevier,
DOI: 10.1016/j.dental.2020.12.009.
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