December 17th 2020
A recent NIOM study revealed several irregularities in single dental crowns. The PFM or porcelain-fired-on-metal crowns had been ordered from laboratories both within and outside of Norway.
Håkon Valen, Frode Staxrud, Simen E. Kopperud, Ellen Kr. Austrheim, Morten Syverud and Aida Mulic | August 31st 2020
The aim of the study were to investigate functional and esthetic properties, the composition of the alloy, and the content of hazardous elements of single dental crowns with metal skeleton and fired porcelain.
Ketil Hegerstrøm Haugli, Morten Syverud and Jan Tore Samuelsen | April 27th 2020
The aims of this in vitro study were to assess if dynamic loading increases the metal ion release of selected dental alloys and to evaluate the cytotoxicity of the released metal ions
Morten Syverud, Ellen Kr. Austrheim, Aida Mulic and Håkon Valen | October 1st 2019
The study revealed major deficiencies for both Norwegian and overseas made crowns regarding conformity between composition and the stated declaration
May 8th 2019
Every year we welcome several visiting scientists to NIOM in Oslo. Most come from Scandinavia, and several are return guests.