Previous Visiting Scientists

 

NIOM has had the honor of working with the following visiting scientists in previous years.
Their names are listed in alphabetical order per year.

 

Visiting scientists 2018

  • Foteini Machla (GR)
    Project: Properties of charcoal dentifrices: toxicity on human cells.
  • Marit Øilo (NO)
    Project: Fracture strength of zirconias after pre-treatment for adhesive bonding.
  • Mervi Puska (FI)
    Project: Fixation of composite implants to bone/hard tissue, manuscript writing, finishing experiments.
  • Sigfus Thor Eliasson (IS)
    Project: Repair of composite tested by micro tensile test. Effect of silane on binding to dentin and enamel.
  • Anas Salim (F)
    Project: Effects of dimethyl sulfoxide and ethanol pretreatment on the longevity and durability of bond strength of fiber post bonding to root canal dentin.
  • Anette Kocbach Bølling (NO)
    Project: The aim of the project is to complete and publish the work of my previous guest research visit in 2016. Study how leakage products from dental materials affect the immune response to living bacteria.
  • Battsetseg Tseveenjav (FI)
    Project: Hypomineralisation affected teeth:
    1. To test and compare adhesives for direct RC restorations in terms of micro-shear bond strength;
    2. To test and compare for micro-leakage and marginal fit of luting cements for indirect full coverage restorations.
  • Jussi Furuholm (FI)
    Project: Non-invasive treatment modalities of permanent molars presenting hypomineralization: Comparison of fissure sealants with prior adhesives versus resin-infiltration, properties of resin infiltration product.
  • Luise Jungnickel (D)
    Project: To investigate the development in endodontic status in a Danish general population in a repeated cohort study, according to the enclosed protocol. During the planned stay, focus will be on:
    1. Calibration to the Periapical Index (PAI) (Ørstavik 1986).
    2. Validity and reproducibility of a graded visual scale (Jordal 2014) versus dichotomized assessment to measure quality of lateral seal of root fillings.
    3. Calibration to an image processing program for Image J, developed at UIO, to measure and assess root filling curvature and length. .
  • Sigfus Thor Eliasson (IS) 
    Project: Influence of “thermal cycling” on the heat conduction and strength of resin-based dental fillings. Repair of old resin-based dental fillings.
  • Susann Wolf-Grosse (N) 
    Project: Development of a co-culture model system to evaluate the biological responses to implant degradation products and bacterial stimulation.

 

Visiting scientists 2017

  • Bahram Ranjkesh (DK)
    Project: Measure the shear bond strenght of resin composite filling materials to Protooth after surface conditioning using different bonding systems.
  • Battsetseg Tseveenjav (FI)
    Project: Treatment decisions and material selection in management of molar incisor hypomineralization affected teeth. Use of preformed metal crowns in public health care service among Helsinki children.
  • Jussi Furuholm (FI)
    Project: Long-term survival of root canal treated teeth.
  • Kirsten Rakkestad (NO)
    Project: Neurotoxic effects of Ti02-nanoparticles used in porous, three-dimensional biomaterials structures for controlled tissue formation.
  • Maria Kassapidou (SE)
    Project: In vitro element release and biological aspects of base-metal alloys for metal-ceramic applications manufactured by casting, laser sintering and milling.
  • Mervi Puska (FI)
    Project: Fixation of composite implants to bone (FIXBO): Nanointerfaces of self-assembling bioadhesives.
  • Sigfus Thor Eliasson (IS)
    Project: Influence of “thermal cycling” on the heat conduction and strength of resin-based dental fillings. Repair of old resin-based dental fillings.
  • Tarja Tanner (FI)
    Project: Compare choice of materials in dental practices between Finland and Norway regarding patient outcome (caries/longevity).

 

Visiting scientists 2016

  • Andreas Koutroulis (GR) Project: Evaluation of the antibiofilm effects on different endodontic sealers and different types of gutta-percha.
  • Anette K. Bølling (NO) Project: Develop a model system for bacterial stimulation of immune responses in cells exposed to HEMA.
  • Bahram Ranjkesh (DK) Project: Push-out bond strength of iMTA.
  • Kirsten Rakkestad (NO) Project: Methacrylate monomers ability to influence inflammation mediated glutationylering of cytoskeleton proteins.
  • Mats Hulander (SE) Project: How cell-surface contact area affects bacterial cell adhesion and subsequent formation of biofilm on biomaterials.
  • Mervi Puska (FI)  Project: Effects of interfaces on experimental composites: material development, characterization of some key properties and preliminary bioadhesion studies.
  • Sigfus Thor Eliasson (IS)  Project: Influence of “thermal fuse” on heat conduction and strength of resin-based dental fillings.
  • Vasilis Kapralos (GR) Project: Evaluation of the antibiofilm effects on different endodontic sealers and different types of gutta-percha.

 

Visiting scientists 2015

  • Bahram Ranjkesh (DK) Project: Push-out bond strength of iMTA.
  • Dag Ørstavik (NO) Project: Studies using the LiveBac method on dentin and endodontic materials.
  • Kirsten Rakkestad (NO) Project: Mechanisms for HEMA-induced changes in inflammation markers.
  • Mervi Puska (FI)  Project: Materials for reconstruction of hard tissue.
  • Sigfus Thor Eliasson (IS)  Project: Repair of composite fillings. Extension of ongoing work.

 

Visiting scientists 2014

  • Frode Staxrud (NO) Project: Repair and extention of resin-based composites.
  • Jingwei He (FIN) Project: Novel dimethacrylates monomers without bisphenol-A structure and their application in dental composite materials.
  • Maria Pihl (SE) Project: Baking bacteria – how to make antibacterial implants using heat.
  • Marit Øilo (NO) Project: Clinically relevant fracture testing of ceramic crowns.
  • Mervi Puska (FI) Project: Gradient nanocomposites structure: Functional-anatomic bone substitute biomaterials.
  • Sigfüs Thor Eliasson (IS) Project: Repair of old composite resin restoratives.
  • Vibeke Ansteinsson (NO) Project: Characterizing and biological effects of resin-based composite materials.

 

Visiting scientists 2013

  • Anette K. Bølling (NO) Project: Inflammatory response after monomer and particle exposure in vitro.
  • Charlotta Holm (SE) Project: The use of base metals in dentistry.
  • Liseloth Lindh (SE) Project: The use of synthetic and biological substances to modify the surface of prosthetic materials.
  • Marit Øilo (NO) Project: Clinically relevant fracture testing of ceramic crowns.
  • Mervi Puska (FI) Project: Bonding between biostable and bioresorable fibre/particle-reinforced material and bone at nano scale.
  • Roberto Belotti Cornelio (NO) Project: Inflammatory influence of the Bis-EMA monomer on the long-term fatigue, shrinkage and leachability of experimental composite resins.
  • Sigfüs Thor Eliasson (IS) Project: Repair of old composite resin restoratives.

 

Visiting scientists 2012

  • Anette K. Bølling (NO) Project: Inflammatory response after in vitro exposure to monomers and particles.
  • Anita Solhaug (NO) Project: Inflammation markers in an in vitro system.
  • Charlotta Holm (SE) Project: Mechanical and biological properties of chrome–cobalt alloys.
  • Gro H. Mathisen (NO) Project: Inflammatory response after in vitro exposure to monomers and particles.
  • Leo Tjäderhane (FI) Project: Evaluate the effect of DMSO incorporated into the adhesives on the immediate and long-term bond strength.
  • Marika Hæreid (NO) Project: Change in fracture of all-ceramic crowns when sandblasting and varying the thickness of restoration. Marit Øilo (NO) Project: Clinically relevant fracture testing of ceramic crowns.
  • Mervi Puska (FI) Project: Bonding between biostable and bioresorbable fibre/particle-reinforced material and bone at nanoscale.
  • Pete Ellison (NO) Project: Fixation mechanisms of orthopedic biomaterials with PMMA bone cement.
  • Sigfus Thor Eliasson (IS) Project: Repair of old composite resin restoratives.

 

Visiting scientists 2011

  • Anette Koback Bølling (NO) Project: Inflammatory response after in vitro exposure to monomers and particles.
  • Emma Westas (SE) Project: Antibacterial nanostructured implants for soft tissue applications.
  • Gro H. Mathisen (NO) Project: Inflammatory response after in vitro exposure to monomers and particles.
  • Kirsten A. Rakkestad (NO) Project: Resin-based dental fillings and tobacco products – health consequences?
  • Maj Nicolaisen (DK) Project: Sammenligning av helkeramiske broer med MK-broer i lateralsegmentene. (Comparison of all-ceramic bridges and MK bridges in the lateral segments.)
  • Marianne Lilletvedt (NO) Project: Effect of curcumin derivatives and blue light on bacteria.
  • Sigfus Thor Eliasson (IS) Project: Repair of old composite resin restoratives.
  • Charlotta Holm (SE) Project: Mechanical and biological properties of chrome–cobalt alloys.
  • Liselott Lindh (SE) Project: Surface modification of prosthetic materials with active substances, cell biological and microbiological investigations.

 

Visiting scientists 2010

  • Anne B. Hegge (NO) Project: Polymer cyclodextrines and curcumin.
  • Charlotta Holm (SE) Project: Mechanical and biological properties of chrome–cobalt alloys.
  • Kirsten Elise Rakkestad (NO) Project: Resin-based dental fillings and tobacco products – health consequences?
  • Martin Andersson (SE) Project: Nanostructured dental materials, mechanical and biological properties.
  • Roberto Cornelio Belotti (NO) Project: Composite resin materials: The effect of different monomer composition on polymerization degree, mechanical properties and degradation.
  • Rune Becher (NO) Project: Cell biological effects from combined exposure to leachables from polymeric materials and nicotine.