Nanotopography influences on bacterial adhesion were investigated with surfaces with controlled interspatial nanopillars distances. Surfaces were coated with proteins (fibrinogen, collagen, serum and saliva) prior to E. coli adhesion under flow conditions. PiFM provided chemical mapping and showed that proteins adsorbed both between and onto the nanopillars with a preference to areas between the nanopillars. E. coli adhered least to protein-coated areas with low surface nanopillar coverage, most to surfaces coated with saliva, while human serum led to the lowest adhesion. Protein-coated nanostructured surfaces affected the adhesion of E. coli.

We here report on photoactive organic-inorganic hybrid thin films prepared by the molecular layer deposition (MLD) method. The new series of hybrid films deposited using 2,6-naphthalenedicarboxylic acid (2,6-NDC) and either hafnium chloride (HfCl4), yttrium tetramethylheptanedionate (Y(thd)3) or titanium chloride (TiCl4) were compared with the known zirconium chloride (ZrCl4) based system.

The project aims to evaluate whether inhalation of particles released upon grinding of dental composites may pose a health hazard to dentists. The main objective of the study was to characterize the dust from polymer-based dental composites ground with different grain sized burs and investigate particle uptake and the potential cytotoxic effects in human bronchial cells.

Stainless-steel crowns (SSCs) are recommended for restorative treatment of young teeth severely affected by caries, fractures or dental developmental disorders (DDDs). However, despite recommendations and clinical evidence, SSCs are not widely used by general dentists, who favour extraction and more conventional restorations. The present study aimed to investigate the views of and use of SSCs among Norwegian and Finnish dentists.

Protesematerialer inneholder ureagert monomer som kan lekke ut i munnhulen og gi bivirkninger, men i hvor stor grad skjer dette? Tanntekniske laboratorier fremstilte protesematerialer etter sin vanlige metode og NIOM analyserte mengde ureagert monomer, såkalt restmonomer. Kaldakryl hadde større mengde restmonomer enn kokakryl og derfor et større potensiale for å gi bivirkninger. Ett av produktene […]