Bilde av Ørtengren, Ulf Thore
Bilde av Ørtengren, Ulf Thore
Klinihkalaš odontologiija instituhtta ulf.ortengren@uit.no +4777649120 Tromsø

Ulf Thore Ørtengren



  • Mathieu Mouhat, Lina Stangvaltaite-Mouhat, James Mercer, Bo Wold Nilsen, Ulf Örtengren :
    Light-curing units used in dentistry: Effect of their characteristics on temperature development in teeth
    Dental materials journal 2021 ARKIV / DOI
  • Ulf Örtengren, Arne Hensten :
    Nytt regelverk för medicintekniska produkter i tandvården
    Tandläkartidningen 2021 ARKIV
  • Aksel Wikant, Ulf Wiel Gedde, Magnus Hakeberg, Ulf Thore Ørtengren :
    Suboptimal light curing and direct exposure to water of two contemporary composites: degree of conversion, sorption, solubility, and Knoop hardness
    Acta Odontologica Scandinavica 2020 ARKIV / DOI
  • Bo Wold Nilsen, Mathieu Mouhat, Torbjørn Haukland, Ulf Thore Ørtengren, James Mercer :
    Heat Development in the Pulp Chamber During Curing Process of Resin-Based Composite Using Multi-Wave LED Light Curing Unit
    Clinical, Cosmetic and Investigational Dentistry 2020 ARKIV / DOI
  • Ulf Thore Ørtengren, Anna Lehrkinder, Aram Safarloo, Jasmine Axelsson, Peter Lingström :
    Opportunities for caries prevention using an ion-releasing coating material: a randomised clinical study
    Odontology : official journal of The Society of the Nippon Dental University 2020 ARKIV / DOI
  • Bo Wold Nilsen, Einar Jensen, Ulf Thore Ørtengren, Berit Bang, Vibeke Barman Michelsen :
    Airborne exposure to gaseous and particle-associated organic substances in resin-based dental materials during restorative procedures
    European Journal of Oral Sciences 2019 ARKIV / DOI
  • Keisuke Nakamura, Midori Shirato, Taichi Tenkumo, Taro Kanno, Anna Westerlund, Ulf Thore Ørtengren et al.:
    Hydroxyl radicals generated by hydrogen peroxide photolysis recondition biofilm-contaminated titanium surfaces for subsequent osteoblastic cell proliferation
    Scientific Reports 2019 ARKIV / DOI
  • Bo Wold Nilsen, Jaione Simon-Santamaria, Ulf Thore Ørtengren, Einar Jensen, Jack-Ansgar Bruun, Vibeke Barman Michelsen et al.:
    Dose- and time-dependent effects of triethylene glycol dimethacrylate on the proteome of human THP-1 monocytes
    European Journal of Oral Sciences 2018 ARKIV / DOI
  • Shuhei Ankyu, Keisuke Nakamura, Akio Harada, Ryoichi Inagaki, Yusuke Katsuda, Taro Kanno et al.:
    Influence of microscale expansion and contraction caused by thermal and mechanical fatigue on retentive strength of CAD/CAM-generated resin-based composite crowns
    Journal of The Mechanical Behavior of Biomedical Materials 2018 DOI
  • Keisuke Nakamura, Shuhei Ankyu, Fritjof Nilsson, Taro Kanno, Yoshimi Niwano, Per Vult von Steyern et al.:
    Critical considerations on load-to-failure test for monolithic zirconia molar crowns
    Journal of The Mechanical Behavior of Biomedical Materials 2018 DOI
  • Kosuke Nakazawa, Keisuke Nakamura, Akio Harada, Midori Shirato, Ryoichi Inagaki, Ulf Thore Ørtengren et al.:
    Surface properties of dental zirconia ceramics affected by ultrasonic scaling and low-temperature degradation
    PLOS ONE 2018 ARKIV / DOI
  • Jan Tore Samuelsen, Vibeke Barman Michelsen, Jack-Ansgar Bruun, Jon Einar Dahl, Einar Jensen, Ulf Thore Ørtengren :
    The dental monomer HEMA causes proteome changes in human THP-1 monocytes
    Journal of Biomedical Materials Research. Part A 2018 DOI
  • Keisuke Nakamura, Midori Shirato, Taro Kanno, Peter Lingström, Ulf Thore Ørtengren, Yoshimi Niwano :
    Photo-irradiated caffeic acid exhibits antimicrobial activity against Streptococcus mutans biofilms via hydroxyl radical formation
    Scientific Reports 2017 ARKIV / DOI
  • Bo Wold Nilsen, Einar Jensen, Ulf Thore Ørtengren, Vibeke Barman Michelsen :
    Analysis of organic components in resin-modified pulp capping materials: critical considerations
    European Journal of Oral Sciences 2017 DOI
  • Midori Shirato, Keisuke Nakamura, Taro Kanno, Peter Lingström, Yoshimi Niwano, Ulf Thore Ørtengren :
    Time-kill kinetic analysis of antimicrobial chemotherapy based on hydrogen peroxide photolysis against Streptococcus mutans biofilm
    Journal of Photochemistry and Photobiology. B: Biology 2017 DOI
  • Shuhei Ankyu, Keisuke Nakamura, Akio Harada, Guang Hong, Taro Kanno, Yoshimi Niwano et al.:
    Fatigue analysis of computer-aided design/computer-aided manufacturing resin-based composite vs. lithium disilicate glass-ceramic
    European Journal of Oral Sciences 2016 SAMMENDRAG / DOI
  • Keisuke Nakamura, Shirato Midori, Taro Kanno, Ulf Thore Ørtengren, Peter Lingstrom, Niwano Yoshimi :
    Antimicrobial activity of hydroxyl radicals generated by hydrogen peroxide photolysis against Streptococcus mutans biofilm
    International Journal of Antimicrobial Agents 2016 FULLTEKST / DOI
  • Bo Wold Nilsen, Ulf Thore Ørtengren, Jaione Simon-Santamaria, Karen Kristine Sørensen, Vibeke Barman Michelsen :
    Methods and terminology used in cell-culture studies of low-dose effects of matrix constituents of polymer resin-based dental materials
    European Journal of Oral Sciences 2016 DOI
  • Mathieu Mouhat, James Mercer, Lina Stangvaltaite, Ulf Thore Ørtengren :
    Light-curing units used in dentistry: factors associated with heat development – potential risk for patients
    Clinical Oral Investigations 2016 ARKIV / FULLTEKST / DOI
  • Keisuke Nakamura, Mathieu Mouhat, John Magnus Nergård, Solveig Jenssen Lægreid, Taro Kanno, Percy Milleding et al.:
    Effect of cements on fracture resistance of monolithic zirconia crowns
    Acta Biomaterialia Odontologica Scandinavica 2016 SAMMENDRAG / FULLTEKST / ARKIV / DOI
  • Kari-Mette Andersen, Anne Karin Kristoffersen, André Ingebretsen, Katharina Johnsen Vikholt, Ulf Thore Ørtengren, Ingar Olsen et al.:
    Diversity and anti-fungal susceptibility of Norwegian Candida glabrata clinical isolates
    Journal of Oral Microbiology 2016 SAMMENDRAG / ARKIV / DOI
  • Keisuke Nakamura, Akio Harada, M. Ono, H. Shibasaki, Taro Kanno, Yoshimi Niwano et al.:
    Effect of low-temperature degradation on the mechanical and microstructural properties of tooth-colored 3Y-TZP ceramics
    Journal of The Mechanical Behavior of Biomedical Materials 2016 FULLTEKST / SAMMENDRAG / DOI
  • Keisuke Nakamura, A. Harada, R. Inagaki, Taro Kanno, Y. Niwano, Percy Milleding et al.:
    Fracture resistance of monolithic zirconia molar crowns with reduced thickness
    Acta Odontologica Scandinavica 2015 FULLTEKST / SAMMENDRAG / ARKIV / DOI
  • A Harada, Keisuke Nakamura, Taro Kanno, R. Inagaki, Ulf Thore Ørtengren, Y. Niwano et al.:
    Fracture resistance of computer-aided design/computer-aided manufacturing-generated composite resin-based molar crowns
    European Journal of Oral Sciences 2015 FULLTEKST / SAMMENDRAG / ARKIV / DOI
  • Keisuke Nakamura, Akio Harada, Taro Kanno, R. Inagaki, Yoshimi Niwano, Percy Milleding et al.:
    The influence of low-temperature degradation and cyclic loading on the fracture resistance of monolithic zirconia molar crowns
    Journal of The Mechanical Behavior of Biomedical Materials 2015 FULLTEKST / SAMMENDRAG / DOI
  • Keisuke Nakamura, Yusuke Katsuda, Shuhei Ankyu, Akio Harada, Taichi Tenkumo, Taro Kanno et al.:
    Cutting efficiency of diamond burs operated with electric high-speed dental handpiece on zirconia
    European Journal of Oral Sciences 2015 FULLTEKST / SAMMENDRAG / DOI
  • Roberto Belloti Cornelio, Aksel Wikant, Hanne Mjøsund, Hilde Beate M. Kopperud, Johan Haasum, Ulf Wiel Gedde et al.:
    The influence of bis-EMA vs bis GMA on the degree of conversion and water susceptibility of experimental composite materials
    Acta Odontologica Scandinavica 2014 DOI
  • Keisuke Nakamura, Erik Adolfsson, Percy Milleding, Taro Kanno, Ulf Thore Ørtengren :
    Influence of grain size and veneer firing process on the flexural strength of zirconia ceramics
    European Journal of Oral Sciences 2012 DOI
  • Ingrid Slinde, Ingrid Smith, Hildur Cecilie Søhoel, Mildrid Beate Vevelstad, Morten Enersen, May-Helen Losoa Forsberg et al.:
    Retningslinjer for smittevern ved de odontologiske læresteder i Norge
    Universitetet i Bergen 2015
  • Bo Wold Nilsen, Ulf Thore Ørtengren, Jaione Simon-Santamaria, Karen Kristine Sørensen, Vibeke Barman Michelsen :
    Low-grade toxicity of matrix constituents of polymer resin based dental materials - A review of terminology and methods
    2016
  • Vibeke Barman Michelsen, Ulf Thore Ørtengren, Einar Jensen :
    EI OG CI BASERT GC-MS ANALYSE AV UTLEKKSSTOFFER FRA DENTALE POLYMERBASERTE FYLLINGSMATERIALER
    2016
  • Vibeke Barman Michelsen, Jan Tore Samuelsen, Jack-Ansgar Bruun, Jon Einar Dahl, Einar Jensen, Ulf Thore Ørtengren :
    ENDRINGER I PROTEOMET I HUMANE MONOCYTTER ETTER EKSPONERING FOR METHACRYLATMONOMER FRA DENTALE MATERIALER
    2016
  • Mathieu Mouhat, James Mercer, Magnus Hakeberg, Ulf Thore Ørtengren :
    LED curing devices –Temperature distribution on natural teeth correlated to intensity and distances
    2015
  • Mathieu Mouhat, James Mercer, Ulf Thore Ørtengren :
    Temperature distribution on natural teeth subjected to light curing with different LED curing devices –preliminary results. Oral presentation.
    2015
  • Kari-Mette Andersen, Morten Enersen, Anne Karin Kristoffersen, André Ingebretsen, Ulf Thore Ørtengren, Peter Gaustad et al.:
    Phenotypic characterization of Candida glabrata from blood, respiratory and gastrointestinal tracts
    2014
  • Vibeke Barman Michelsen, Ulf Thore Ørtengren, Einar Jensen :
    Comparison of EI and CI based GC-MS analysis of leachables from Dental Polymer-Based Restorative Materials
    2014
  • K. Nakamura, A. Harada, R. Inagaki, T Kanno, Y. Niwano, Percy Milleding et al.:
    Strength of Monolithic Zirconia Molar Crowns with Reduced Thickness
    2014
  • A. Bjørkum, K. Egenæs-Svendsen, Vibeke Barman Michelsen, Einar Jensen, Ulf Thore Ørtengren :
    The Influence of bis-EMA Content on the Leachability of Dental Composite Resins
    2014
  • Vibeke Barman Michelsen, Jan Tore Samuelsen, Jack-Ansgar Bruun, Jon Einar Dahl, Einar Jensen, Ulf Thore Ørtengren :
    Sub-lethal Concentrations of HEMA Alter Protein Expression in Human Monocytes.
    2014
  • S. Lægreid, J-M Nergård, K. Nakamura, Ulf Thore Ørtengren :
    Fracture resistance of monolithic zirconia crowns: Choice of cement
    2014
  • Kari-Mette Andersen, Morten Enersen, Anne Karin Kristoffersen, André Ingebretsen, Ulf Thore Ørtengren, Peter Gaustad et al.:
    Phenotypic Characterization of Candida glabrata from Blood, Respiratory and Gastrointestinal Tracts. Poster presentation
    2014
  • Kari-Mette Andersen, Morten Enersen, Anne Karin Kristoffersen, André Ingebretsen, Ulf Thore Ørtengren, Peter Gaustad et al.:
    Phenotypic Characterization of Candida glabrata from Blood, Respiratory and Gastrointestinal Tracts. Oral Presentation
    2014
  • Kari-Mette Andersen, Morten Enersen, Anne Karin Kristoffersen, André Ingebretsen, Ulf Thore Ørtengren, Peter Gaustad et al.:
    Phenotypic Characterization of Candida glabrata from Blood, Respiratory and Gastrointestinal Tracts
    2014
  • Steinar Lægreid, J-M Nergård, K Nakamura, Ulf Thore Ørtengren :
    Fracture resistance of monolithic zirconia crowns: Choice of cement
    2014
  • Kari-Mette Andersen, Morten Enersen, Anne Karin Kristoffersen, André Ingebretsen, Ulf Thore Ørtengren, Peter Gaustad et al.:
    Phenotypic diversity among clinical Candida glabrata strains in Norwegian health care unit. Oral presentation
    2014
  • Asbjørn Jokstad, Ulf Thore Ørtengren :
    Innovative biomaterials research... ...under the Northern Lights...
    Public Service Review: European Union 2013 FULLTEKST
  • Kari-Mette Andersen, Morten Enersen, Anne-Karin Kristoffersen, Peter Gaustad, Ulf Thore Ørtengren, Ingar Olsen :
    Phenotypic and genotypic characterization of Candida glabrata
    2012
  • Ulf Thore Ørtengren, Harald M Eriksen, Jan Bergdahl :
    Polar Bite
    PAN european networks science and technology 2012
  • Ulf Thore Ørtengren, Harald M Eriksen, Jan Bergdahl :
    Dental education in Northern Norway
    Public Service Review : European Union 2012
  • Ulf Thore Ørtengren, Harald M Eriksen, Jan Bergdahl :
    Development in dental education and research
    Public Service Review : European Union 2012

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