Sintering temperature accuracy and its effect on translucent yttria-stabilized zirconia: Flexural strength, crystal structure, tetragonality and light transmission

, , , and | May 13th 2022

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The aim of this study was to investigate how lower and higher sintering temperature deviations in dental furnaces compared to the recommended firing protocols affected certain material properties of different translucency, chemical composition and recommended sintering temperatures, under the null hypothesis that there will not be any differences in properties investigated between the studied groups.
Wear particle release at the interface of dental implant components: Effects of different material combinations. An in vitro study

, , and | March 24th 2022

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The objective of this study was to evaluate the effect of combining implant and abutment materials on wear and particle release in a dynamical loading setup.
Improved bonding of zirconia crowns with resin-based cement

August 25th 2021

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Several pre-cementation procedures advocate enhancing adhesion between zirconia and resin-based cements. There is, however, limited documentation on how these pre-treatments affect the strength of high translucent zirconia.

Residual stress in bench- and furnace-cooled porcelain-fused to zirconia appliances

March 24th 2019

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A new study of veneered zirconia shows that the magnitude of residual stresses can only be estimated reliably from the manufacturers’ thermal expansion coefficients if the veneered prosthesis is cooled slowly after the final firing.
Thermal induced deflection of a porcelain–zirconia bilayer: Influence of cooling rate

, , and | February 11th 2019

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To determine the thermal expansion of a porcelain (VM9) and tetragonal zirconia (Y-TZP) as well as the deflection upon re-heating and cooling of a bilayer fabricated from these two materials after slow and rapid cooling during initial fabrication.