Validation of a human saliva model for the determination of leachable monomers and other chemicals from dental materials

Preparation of a fluorinated dental resin system and its anti-adhesive properties against S. mutans

Allergisk reaksjon i forbindelse med bruk av søvnapnéskinne

Hvor mye monomer kan lekke fra en protese?

Guidelines on the benefit-risk assessment of the presence of phthalates in certain medical devices covering phthalates which are carcinogenic, mutagenic, toxic to reproduction (CMR) or have endocrine-disrupting (ED) properties

Bond strength between dentine and a novel fast-setting calcium silicate cement with fluoride

Investigation on the antimicrobial activity of chitosan-modified zinc oxide-eugenol cement

Effect of methacrylated chitosan incorporated in experimental composite and adhesive on mechanical properties and biofilm formation

Presence and leaching of bisphenol a (BPA) from dental materials

Preparation and characterization of Bis-GMA-free dental composites with dimethacrylate monomer derived from 9,9-Bis[4-(2-hydroxyethoxy)phenyl]fluorene

Lysherding - så enkelt og så vanskelig

Komposittmaterialer - utlekking av monomer og cytotoksisitet

Water sorption and solubility of polyamide denture base materials

Light curing procedures–Performance, knowledge level and safety awareness among dentists

Kompositte materialer – basale egenskaper

Antibacterial and Antibiofilm Effect of Low Viscosity Chitosan against Staphylococcus epidermidis

The safety of the use of bisphenol A in medical devices

Interactions of liposomes with dental restorative materials

Chitosan – antibakteriell bruk i dentale materialer

Retningslinjer for lysherding i odontologi

Effekt av kort herdetid på kjemiske og mekaniske egenskaper til kompositter

The influence of bis-EMA vs bis GMA on the degree of conversion and water susceptibility of experimental composite materials

Detection of leachables and cytotoxicity after exposure to methacrylate- and epoxy-based root canal sealers in vitro

Effect of short LED lamp exposure on wear resistance, residual monomer and degree of conversion for Filtek Z250 and Tetric EvoCeram composites

Cell toxicity of methacrylate monomers-the role of glutathione adduct formation

Influence of different mould materials on the degree of conversion of dental composite resins

Surface structure of fiber-reinforced composite implant and its effect on the attachment of implant to simulating bone material

Detection and quantification of monomers in unstimulated whole saliva after treatment with resin-based composite fillings in vivo

Helserisiko ved bruk av resinforsterket glassionomermateriale til barn 

Moderne tannfargede fyllingsmaterialer

Role of thiol-complex formation in 2-hydroxyethyl- methacrylate-induced toxicity in vitro

Identification and quantification of leachable substances from polymer-based orthodontic base-plate materials

Elution of substances from a silorane-based dental composite

Kopperud HM, Derand T. Plastfyllinger og nanoteknologi. In: Holmstrup P, red. Aktuel nordisk odontologi 2008. København: Munksgaard Danmark, 2008; 101-10 (Norwegian).

Komposittfyllinger – suksess eller fiasko?

Polymerbaserte tannfyllingsmaterialer – en undersøkelse av viktige egenskaper

Pattern of cell death after in vitro exposure to GDMA, TEGDMA, HEMA and two compomer extracts

Hvor holdbare er komposittmaterialene?

Surface Tension and Surface Dilatational Elasticity of Associating Hydrophobically Modified Polyacrylamides in Aqueous Solutions

Polymer self-diffusion and surfactant binding in aqueous solutions of unmodified and hydrophobically modified polyacrylamide studied by pulsed field gradient NMR and surface tension measurements

Raman Spectroscopic Characterization of Association and Thermoreversible Gelation in Aqueous Systems of Poly(N-acetamidoacrylamide)

Effect of surfactant and temperature on the rheological properties of aqueous solutions of unmodified and hydrophobically modified polyacrylamide

Polymer composition engineering, Part I and II. Turku Biomaterials Summer School, Finland, 2023.

3D-printing in dentistry. NIOM Webinar. 2022. 

Digital tannbehandling sett med tannteknikerens kritiske øyne. NTF Landsmøte, 2021. 

Standardization of dental materials and patient safety - International and European perspectives. Nagasaki University, Japan, 2019. 

Kurs i materialvalg (kompositt & herding, moderne plastmaterialer, kvalitet på tannteknisk arbeid). NTF Rogaland, 2019. 

CAD/CAM restaureringer – Hur välja rätt? Odontologisk Riksstämma, 2018. 

In-situ light-cured vs. computer-aided manufactured (CAM) composites. Northern Lights Conference, Norway, 2018. 

Standardisering og pasientsikkerhet. HM Kopperud. NIOM seminar Forskning og pasientsikkerhet i 45 år. Oslo, 2017. 

Tips for success in light curing. NIOM Webinar, 2017.

Lysherding – så enkelt og så vanskelig. Odontologisk Riksstämma, 2016. 

What’s cooking? Effects of “high” intensity curing lights and a little more… Light Curing in Dentistry, Canada, 2015. 

Composites and curing anno 2015. NIOM seminar – “white and light”. Icelandic Dental Association, 2015.

Materiallære. Aust-Agder tannlegeforening, 2015.

Influence of exposure time on the depth of cure. Light Curing in Dentistry, Canada, 2014. 

Hvorfor holder noen fyllinger lenger enn andre? NTF Landsmøte 2014, Odontologisk Riksstämma, 2014. 

European perspectives on standardization of dental materials. The Japanese Society for Dental Materials and Devices. Japan, 2013. 

Bulk-fill – ferdig fylling med ett lag og 10 sekunders herding? NTF Landsmøtet 2013 og Odontologisk Riksstämma, 2013. 

Materialhåndtering. Kurs for tannhelsesekretærer. Telemark tannlegeforening, 2013.

Etablerte og nyere kompositter – er det forskjell i sammensetning og utlekking? NTF Landsmøtet, 2012. 

New and established composite materials: Composition and elution. PER/IADR Helsinki, Finland, 2012.

Feeding tubes for neonates – leaching of plasticizers in food simulating solutions and resulting changes in mechanical properties. ScSB 5th annual meeting, Sweden, 2012.

Leaching from Dental Composites. NIOM Seminar: NIOM and Challenges in Future Biomaterials Research, Norway, 2011. 

Utgjør våre kompositter en helserisiko? NTF Landsmøtet og Riksstämman, 2010.

Moderne plastfyllinger og nanoteknologi. NTF "Vestlandsmøtet", Bergen, 2008. 

Ernæringssonder for premature – innhold og utlekk av ftalater. Haukeland sykehus, Bergen, 2007.

Kan det lønne seg å skifte fabrikat – eller er alle kompositter like? Nordiske landsmøter (DK, SE, FIN, NO), 2005. 

Plast i medisinsk utstyr. Steriliseringsdagene, Sandvika, 2005. 

Composition and leachable products from polymer-based orthodontic materials. IADR, Netherlands, 2005.

Monomers in patients' saliva following bonding of orthodontic bracketsbonding of orthodontic brackets. ADM, San Diego, 2023.

An experimental semi-natural composite material. CED-IADR, Madrid, 2019. 

Chitosan modified zinc-oxide-eugenol cement increases antimicrobial activity. CED-IADR, Vienna, 2017. 

Anti-biofilm Effect of Dental Adhesive Containing Methacrylated Chitosan. IADR/AADR/CADR General Session, San Francisco, 2017. 

Chitosan incorporated in denture base resin reduce biofilm formation of Streptococcus mutans and Candida albicans. Scandinavian Society for Biomaterials 10th meeting. Norway, 2017. 

Leakage of Bisphenol A from dental materials. Society of Toxicology, USA, 2017.

Liposome adsorption to restorative materials. ADM, Chicago, 2016. 

Chitosan and chitosan-oligosaccharide as antimicrobial agents in ZOE restorative materials. PAN-IADR, Jerusalem, 2016.

Anti-biofilm Effect of Methylated Chitosan Incorporated Denture Base Resin. IADR, Seoul, 2016.

Physical properties and toxic potential of dental composite containing a triazol-monomer. European conference on Biomaterials, Krakow, 2015.

Flexural, flexural fatigue and flexural creep strength of four bulk-fill resin composites at room and body temperatures. European Dental Materials Conference, Nürnberg, 2015.

Solubility and sorption of flexible polyamide denture base materials. Scandefa / Årskursus, København, 2015. 

Leaching of monomers from bulk-fill composites. ADM, Bologna, 2014.

Mechanical Properties of Bioactive Glass Modified PMMA Composites. IADR/Pan European Congress, Dubrovnik, 2014.

Antibiofilm properties of chitosan. European antibiotic awereness day, Oslo, 2014. 

Pull-out strengths of surfave modificated FRC-implants to material simulating bone. CED-IADR, Florence, 2013. 

Antibacterial effects of native and methacrylate modified chitosan. Scandinavian Society for Biomaterials, Hafjell, 2013.

Innholdsstoffer og utlekking fra polymerbaserte tannfyllingsmaterialer. Norske symposium i kromatografi, Sandefjord, 2011. 

Mould materials’ influence on degree of conversion of dental resins. ADM, Trieste, 2010. 

Hydroxyapatite nanoparticles in dental composites and adhesives. Scandinavian Society for Biomaterials, Hafjell, 2010.

Monomers detected in saliva after treatment with composite fillings. IADR, London, 2008. 

Quantitative determination of monomers leached from orthodontic materials. IADR, London, 2008.

Rheological properties of aqueous solutions of low molecular weight hydrophobically modified poly(acrylamide). Second international symposium on dynamics and organisation of associating polymers in solution, Fontevraud, 1997. 

Studies of hydrophobically modified poly(acrylamide). Associating polymers, Loen, Norway, 1995.