Johannes Steinhaus

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OBJECTIVE An inhomogeneous irradiance distribution from a light-curing unit (LCU) can locally cause inhomogeneous curing with locally inadequately cured and/or over-cured areas causing e.g. monomer elution or internal shrinkage stresses, and thus reduce the lifetime of dental resin based composite (RBC) restorations. The aim of the study is to determine(More)
BACKGROUND Circumcaval ureters (CU) are a rare embryological malformation resulting in ventral displacement of the caudal vena cava, which crosses the ureter, potentially causing a ureteral stricture. OBJECTIVES To evaluate cats with obstructed CU(s) and report the presenting signs, diagnostics, treatment(s), and outcomes. Cats with obstructed CU(s) were(More)
1 Polymer Centre, Faculty of Technology, Tomas Bata University in Zlín, Nám. T.G. Masaryka 5555, 76272 Zlin, Czech Republic. 2 Department of Natural Sciences, Bonn-Rhine-Sieg University of Applied Sciences, von-Liebig-Str. 20, 53359 Rheinbach, Germany. 3 Polymer Centre, Centre of Polymer Systems, Tomas Bata University in Zlín, Nám. T.G. Masaryka 5555, 76272(More)
During the curing process of light curing dental composites the mobility of molecules and molecule segments is reduced leading to a significant increase of the viscosity as well as the ion viscosity. Thus, the kinetics of the curing behavior of 6 different composites was derived from dielectric analysis (DEA) using especially redesigned flat sensors with(More)