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To evaluate the dimensional changes from the sintering process of Y-TZP and relate them to the fit of zirconia copings.The sintering shrinkage rate (SSR) was obtained from the measurement of geometric specimens (4×4×2mm). Thirty-six zirconia copings made using CAD/CAM were equally divided into three groups (n=12): ZMAX — IPS e.max ZirCAD (Ivoclar Vivadent, Liechtenstein); ZYZ — InCeram YZ (Vita Zahnfabrik,...
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