Temperature Changes in Test Specimens During Thermal Cycling

July 23rd 2018

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Abstract Objectives Thermal cycling procedure using water bath of 5 C and 55 C is a commonly used method to stress and age test specimens in laboratory testing. Typically, test specimens are kept in each of the water bath for 20 sec with 3 sec transfer time using 5000 – 10 000 cycles. After the […]
Holmenkollen symposium 2018

March 12th 2018

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A short report from “Holmenkollen symposium 2018”.
NIOM presenting at the 2018 NSFT winter meeting in Beitostølen

January 25th 2018

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The Norwegian Society of Pharmacology and Toxicology (NSFT) is holding its 46th annual winter meeting at Beitostølen, Norway, January 25th-28th. The meeting is interdisciplinary. Four NIOM scientists and technical staff are participating with presentations of their research. Managing Director Jon E. Dahl, Senior Scientist Jan Tore Samuelsen, Chief Engineers Solveig Uvsløkk and Bergitte P. Olderbø […]
Improved micro-tensile strength test reveals key to successful repair of restorations

November 15th 2017

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A more reliable and less time-consuming test method to evaluate the micro-tensile strength of the repair bond between old and new composites has recently been published. The improved test method is based on studies carried out previously at NIOM.
Norwegian broadcaster stops testing of home tooth bleaching kits

September 13th 2017

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Norwegian broadcaster stops testing of home tooth bleaching kits after NIOM safety tests reveal illegally high amounts of hydrogen peroxide.