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®<br />
®<br />
®<br />
all ceramic all you need<br />
all ceramic all you need<br />
®<br />
®<br />
for sintering <strong>IPS</strong> e.<strong>max</strong> ZirCAD<br />
®<br />
all ceramic all you need<br />
The main prerequisite for durable, stable XRD<br />
<strong>IPS</strong> e.<strong>max</strong> ZirCAD restorations is that the<br />
Zirconium oxide block<br />
<strong>IPS</strong> e.<strong>max</strong> ZirCAD<br />
milled frameworks are optimally sintered.<br />
Therefore, we have tested the sintering Sintering furnace Sintramat ZYrcomat<br />
procedure of <strong>IPS</strong> e.<strong>max</strong> ZirCAD frameworks<br />
Sintering temperature [°C] 1500 1530<br />
in the Sintramat and ZYrcomat furnaces.<br />
Crystallite size [µm] 0.506 ± 0.080 0.785 ± 0.133<br />
The following guidelines apply for sintering<br />
SEM analysis<br />
zirconium oxide:<br />
30,000 x<br />
– The firing cycle has to be accurately<br />
adjusted to the behaviour of the material<br />
and the size of the firing chamber to<br />
ensure that all frameworks are evenly<br />
heated and the variation of properties<br />
(mechanical, mineralogical, as well as in<br />
Flexural strength (biaxial) [MPa] 915 ± 70 935 ± 130<br />
relation to the accuracy of fit) is kept as<br />
unprocessed sintering surface<br />
low as possible.<br />
– The thermal process is decisive for the Vickers hardness [MPa] 13200 ± 115 12700 ± 105<br />
formation of the respective structure types<br />
Thermal expansion<br />
(e.g. tetragonal, cubic).<br />
10.8 10.8<br />
CTE (100–400°C) [10 -6 /K]<br />
– The <strong>max</strong>imum temperature as well as the<br />
temperature-time interval during the Mineralogical composition tetragonal tetragonal, increased<br />
share of cubic phase<br />
heating phase control the formation of<br />
the different mineralogical phases, the<br />
grain size of the crystallites, the<br />
mechanical properties and thus the<br />
overall quality of the framework.<br />
P H O N E O R D E R S : 8 0 0 - 5 3 3 - 6 8 2 5 F A X O R D E R S : 8 0 0 - 5 9 8 - 4 5 6 9<br />
131<br />
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Statement Stuffer<br />
598207<br />
LITERATURE<br />
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Overview Brochure<br />
598359<br />
<strong>IPS</strong> e.<strong>max</strong> ®<br />
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Aesthetic Pursuits Reprint<br />
Trevor Laingchild, RDT<br />
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Today’s Zirconia:<br />
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Material Properties of Zirconia<br />
The Zirconia Challenge<br />
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ZirPress Certificate<br />
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August Bruguera<br />
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<strong>IPS</strong> e.<strong>max</strong> CAD LT Sell Sheet<br />
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