Kaj Fröberg

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OBJECTIVE Zirconia ceramics for frameworks of fixed partial dentures can be color shaded to better match the shade of veneering porcelain. The aim of this study was to evaluate the effect of color shading the green-stage zirconia ceramic on some mechanical properties. MATERIAL AND METHODS Zirconia disks (diameter 19 mm, thickness 0.8 mm) were divided into(More)
OBJECTIVES Aim of this study was to evaluate effect of sintering time on mechanical properties of yttrium partially stabilized zirconia (Y-TZP) (ICE Zirkon, ZirkonZahn, Italy). METHODS Fifty-six zirconia discs were divided into two groups. Discs of the first group were sintered in sintering oven (ZirkonZahn) at 20-1500 degrees C temperature using rise(More)
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