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The objective of this study was to identify the different microstructures produced by CC, PM and as-cast techniques for Co–Cr alloys and their phase stability following porcelain firings.Three bi-layer porcelain veneered Co–Cr specimens and one monolithic Co–Cr specimen of each alloy group [cast, powder metallurgy (PM), CAD/CAM (CC)] were manufactured and analyzed using electron backscatter diffraction...
To investigate the effect of autoclave induced low-temperature degradation on the adhesion energy between yttria-stabilized zirconia veneered with porcelain.The strain energy release rate using a four-point bending stable fracture test was evaluated for two different porcelains [leucite containing (VM9) and glass (Zirox) porcelain] veneered to zirconia. Prior to veneering the zirconia had been subjected...
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