Nils-Erik Fiehn

Nils-Erik Fiehn

Associate Professor emeritus


Publication year:
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  1. 2024
  2. E-pub ahead of print

    Suitability of machine learning models for prediction of clinically defined Stage III/IV periodontitis from questionnaires and demographic data in Danish cohorts

    Enevold, Christian, Nielsen, Claus Henrik, Christensen, Lisa Bøge, Kongstad, Johanne, Fiehn, Nils-Erik, Hansen, Peter Riis, Holmstrup, Palle, Havemose-Poulsen, A. & Damgaard, Christian, 2024, (E-pub ahead of print) In: Journal of Clinical Periodontology. 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. 2023
  4. Published

    Treated periodontitis and recurrent events after first-time myocardial infarction: A Danish nationwide cohort study

    Wagner, A. K., D'Souza, M., Bang, C. N., Holmstrup, Palle, Blanche, Paul Frédéric, Fiehn, Nils-Erik, Gislason, Gunnar Hilmar, Torp-Pedersen, Christian, Damgaard, Christian, Nielsen, Claus Henrik & Hansen, Peter Riis, 2023, In: Journal of Clinical Periodontology. 50, 10, p. 1305-1314 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. 2022
  6. Published

    Additional information of bitewings to first time clinical examination of caries and restoration status in permanent dentition

    Bakhshandeh, Azam, Ekstrand, Kim, Fiehn, Nils-Erik & Qvist, V., 2022, In: Acta Odontologica Scandinavica. 80, 8, p. 580-587

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Covid-19-pandemien og tandplejen: Årsag og virkning

    Välimaa, H., Larsen, Tove, Klinge, B. & Fiehn, Nils-Erik, 2022, In: Tandlaegebladet. 126, 3, p. 240-246 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. 2021
  9. Published

    Oral bakteriologi

    Larsen, Tove & Fiehn, Nils-Erik, 2021, Klinisk Mikrobiologi og infektionsmedicin. Niels, H. & Åse Bengård, A. (eds.). 5 ed. København: FADL's Forlag, p. 384 45 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education › peer-review

  10. 2019
  11. Published

    Lewis and AB0 blood group-phenotypes in periodontitis, cardiovascular disease, obesity and stroke

    Enevold, C., Nielsen, Carsten Haagen, Molbo, Drude, Lund, Rikke, Bendtzen, K., Fiehn, Nils-Erik & Holmstrup, Palle, 2019, In: Scientific Reports. 9, 1, 7 p., 6283.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. 2017
  13. Published

    Impact of Periodontitis Case Criteria: A Cross-Sectional Study of Lifestyle

    Kongstad, Johanne, Enevold, Christian, Christensen, Lisa Bøge, Fiehn, Nils-Erik & Holmstrup, Palle, Jun 2017, In: Journal of Periodontology. 88, 6, p. 602-609 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Dental biofilm infections: an update

    Larsen, Tove & Fiehn, Nils-Erik, Apr 2017, In: A P M I S. Acta Pathologica, Microbiologica et Immunologica Scandinavica. 125, 4, p. 376-384 9 p.

    Research output: Contribution to journal › Review › Research › peer-review

  15. Published

    Immunoglobulin G antibodies against Porphyromonas gingivalis or Aggregatibacter actinomycetemcomitans in cardiovascular disease and periodontitis

    Damgaard, Christian, Reinholdt, J., Enevold, C., Fiehn, Nils-Erik, Nielsen, Claus Henrik & Holmstrup, Palle, 2017, In: Journal of Oral Microbiology. 9, 1, 1374154.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    Salivary microbiota in individuals with different levels of caries experience

    Midjord-Belstrøm, Daniel, Holmstrup, Palle, Fiehn, Nils-Erik, Kirkby, N., Kokaras, A., Paster, B. J. & Jensen, A. B., 2017, In: Journal of Oral Microbiology. 9, 1, 1270614.

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. 2016
  18. Published

    Orale bakterier og sygdomme udenfor mundhulen

    Larsen, Tove, Holmstrup, Palle, Fiehn, Nils-Erik & Dahlén, G., 4 May 2016, In: Tandlaegebladet. 120, 5, p. 436-441 6 p.

    Research output: Contribution to journal › Review › Research › peer-review

  19. Published

    Calcium, vitamin D, casein and whey protein intakes and periodontitis among Danish adults

    Adegboye, A. R., Boucher, B. J., Kongstad, Johanne, Fiehn, Nils-Erik, Christensen, Lisa Bøge & Heitmann, Berit, Feb 2016, In: Public Health Nutrition. 19, 3, p. 503-510 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Salivary bacterial fingerprints of established oral disease revealed by the Human Oral Microbe Identification using Next Generation Sequencing (HOMINGS) technique

    Midjord-Belstrøm, Daniel, Paster, B. J., Fiehn, Nils-Erik, Jensen, A. B. & Holmstrup, Palle, 14 Jan 2016, In: Journal of Oral Microbiology. 8, 7 p., 30170.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Bacterial composition in whole saliva from patients with severe hyposalivation: a case-control study

    Midjord-Belstrøm, Daniel, Holmstrup, Palle, Fiehn, Nils-Erik, Rosing, Kasper, Jensen, A. B., Paster, B. J. & Pedersen, Anne Marie Lynge, 2016, In: Oral Diseases. 22, 4, p. 330-337 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Cohort Profile: The Copenhagen Aging and Midlife Biobank (CAMB)

    Lund, Rikke, Mortensen, Erik Lykke, Christensen, Ulla, Bruunsgaard, H., Holm-Pedersen, Poul, Fiehn, Nils-Erik, Molbo, Drude, Jepsen, E., Hansen, Åse Marie & Osler, Merete, 2016, In: International Journal of Epidemiology. 45, 4, p. 1044-1053 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Comparative analysis of bacterial profiles in unstimulated and stimulated saliva samples

    Midjord-Belstrøm, Daniel, Holmstrup, Palle, Jensen, A. B., Kokaras, A., Fiehn, Nils-Erik & Paster, B. J., 2016, In: Journal of Oral Microbiology. 8, 7 p., 30112.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Examination of lifestyle factors and diseases in teaching periodontology in dental education in the Nordic countries

    Fiehn, Nils-Erik & Christensen, Lisa Bøge, 2016, In: European Journal of Dental Education. 20, 1, p. 26-31 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    Temporal Stability of the Salivary Microbiota in Oral Health

    Midjord-Belstrøm, Daniel, Holmstrup, Palle, Jensen, A. B., Kokaras, A., Fiehn, Nils-Erik & Paster, B. J., 2016, In: PLOS ONE. 11, 1, 9 p., 0147472.

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. 2015
  27. Published

    Introduktion til temaet: Samfundsodontologi 2015

    Christensen, Lisa Bøge & Fiehn, Nils-Erik, 1 Sep 2015, In: Tandlaegebladet. 119, 9, p. 667

    Research output: Contribution to journal › Editorial › Research

  28. Published

    Aktuelle odontologiske fokus- og prioriteringsområder i dansk politik

    Christensen, Lisa Bøge, Hede, B. & Fiehn, Nils-Erik, 30 Aug 2015, In: Tandlaegebladet. 119, 9, p. 668 675 p.

    Research output: Contribution to journal › Journal article › Communication

  29. Published

    Differentiation of salivary bacterial profiles of subjects with periodontitis and dental caries

    Midjord-Belstrøm, Daniel, Fiehn, Nils-Erik, Nielsen, Claus Henrik, Klepac-Ceraj, V., Paster, B. J., Twetman, Svante & Holmstrup, Palle, 2015, In: Journal of Oral Microbiology. 7, p. 1-5 5 p., 27429.

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Root caries, root surface restorations and lifestyle factors in adult Danes

    Christensen, Lisa Bøge, Jensen, A. B., Ekstrand, Kim, Fiehn, Nils-Erik, Heitmann, B. L., Qvist, V. & Twetman, Svante, 2015, In: Acta Odontologica Scandinavica. 73, 6, p. 467-473 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. 2014
  32. Published

    Biocider i tandlægepraksis

    Kongstad, J., Fiehn, Nils-Erik, Bindslev, P. H. & Larsen, Tove, Sep 2014, In: Tandlaegebladet. 117, 9, p. 750-758 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. Published

    Altered Bacterial Profiles in Saliva from Adults with Caries Lesions: A Case-Cohort Study

    Midjord-Belstrøm, Daniel, Fiehn, Nils-Erik, Nielsen, C. H., Holmstrup, Palle, Kirkby, N., Klepac-Ceraj, V., Paster, B. J. & Twetman, Svante, 12 Mar 2014, In: Caries Research. 48, 5, p. 368-375 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. Published

    Copenhagen Aging and Midlife Biobank (CAMB): An Introduction

    Avlund, K., Osler, Merete, Mortensen, Erik Lykke, Christensen, Ulla, Kemp, H. B., Holm-Pedersen, Poul, Fiehn, Nils-Erik, Hansen, Åse Marie, Bachkati, S. H., Meincke, R. H., Jepsen, E., Molbo, Drude & Lund, Rikke, Feb 2014, In: Journal of Aging and Health. 26, 1, p. 5-20 16 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Differences in bacterial saliva profile between periodontitis patients and a control cohort

    Midjord-Belstrøm, Daniel, Fiehn, Nils-Erik, Nielsen, Claus Henrik, Kirkby, N., Twetman, Svante, Klepac-Ceraj, V., Paster, B. J. & Holmstrup, Palle, Feb 2014, In: Journal of Clinical Periodontology. 41, 2, p. 104-12 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. Published

    Smoking and drinking as risk indicators for tooth loss in middle-aged Danes

    Morse, D. E., Avlund, K., Christensen, Lisa Bøge, Fiehn, Nils-Erik, Molbo, Drude, Holmstrup, Palle, Kongstad, Johanne, Mortensen, Erik Lykke & Holm-Pedersen, Poul, Feb 2014, In: Journal of Aging and Health. 26, 1, p. 54-71 18 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. Published

    Bacterial profiles of saliva in relation to diet, lifestyle factors, and socioeconomic status

    Midjord-Belstrøm, Daniel, Holmstrup, Palle, Nielsen, Claus Henrik, Kirkby, N., Twetman, Svante, Heitmann, Berit, Klepac-Ceraj, V., Paster, B. J. & Fiehn, Nils-Erik, 2014, In: Journal of Oral Microbiology. 6, p. 1-9 9 p., 23609.

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

    Oral bakteriologi

    Fiehn, Nils-Erik & Larsen, Tove, 2014, Klinisk mikrobiologi og infektionsmedicin. 4. ed. København: FADL's Forlag, p. 339-382 44 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education › peer-review

  39. Published

    Saliva composition in three selected groups with normal stimulated salivary flow rates but yet major differences in caries experience and dental erosion

    Jensen, A. B., lykkeaa, J., Qvist, V., Ekstrand, Kim, Twetman, Svante & Fiehn, Nils-Erik, 2014, In: Acta Odontologica Scandinavica. 72, 6, p. 466-473 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. 2013
  41. Published

    Findings from the oral health study of the Danish Health Examination Survey 2007-2008

    Kongstad, Johanne, Ekstrand, Kim, Qvist, V., Christensen, Lisa Bøge, Cortsen, B., Grønbæk, M., Holm-Pedersen, Poul, Holmstrup, Palle, Jensen, A. B., Twetman, Svante & Fiehn, Nils-Erik, 2013, In: Acta Odontologica Scandinavica. 71, 6, p. 1560-1569 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  42. 2012
  43. Published

    Mikrobiologisk diagnostik ved sygdomme i mundhulen.

    Fiehn, Nils-Erik, 2012, In: Aktuel Nordisk Odontologi. 37, p. 33-54

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. Published

    Oral Microbiology and Immunology: The Scandinavian Approach

    Dahlén, G., Fiehn, Nils-Erik & Olsen, I., 2012, 1 ed. Munksgaard . 350 p.

    Research output: Book/Report › Book › peer-review

  45. Published

    Poster: Alcohol and other risk indicators for severe periodontitis

    Kongstad, Johanne, Christensen, Lisa Bøge, Cortsen, B., Fiehn, Nils-Erik & Holmstrup, Palle, 2012.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  46. 2011
  47. Published

    Poster: Oral-Health-Related Quality of Life among Danish adults

    Christensen, Lisa Bøge, Hede, B., Fiehn, Nils-Erik & Holm-Pedersen, Poul, 21 Sep 2011. 1 p.

    Research output: Contribution to conference › Poster › Communication

  48. Published

    Mundhulens mikroflora hos patienter med marginal parodontitis

    Larsen, Tove & Fiehn, Nils-Erik, Aug 2011, In: Tandlaegebladet. 115, 9, p. 652-660 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    Changing the curriculum and the role of the teacher and the students in the classroom - an analysis of the process of reforming a course i oral microbiology

    Netterstrøm, I., Fiehn, Nils-Erik & Larsen, Tove, 2011, In: European Journal of Dental Education. 15, p. 26-30 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    Changing the curriculum and the role of the teacher and the students in the classroom-an analysis of the process of reforming a course in oral microbiology

    Netterstrøm, I., Fiehn, Nils-Erik & Larsen, T., 2011, In: European Journal of Dental Education Online. 15, 1, p. 26-30 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  51. Published

    Poster Determinants for Oral-Health-Related Quality of Life among Danish adults

    Christensen, Lisa Bøge, Hede, B., Fiehn, Nils-Erik & Holm-Pedersen, Poul, 2011. 1 p.

    Research output: Contribution to conference › Poster › Research

  52. 2010
  53. Published

    Sygdomme i mundhulen--et fokus for samarbejde

    Holmstrup, Palle & Fiehn, Nils-Erik, 1 Nov 2010, In: Ugeskrift for Laeger. 172, 44, p. 3015 1 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  54. Published

    Etårig praktisk oplæring efter kandidatuddannelsen i odontologi

    Fiehn, Nils-Erik, 13 Oct 2010, In: Tandlaegebladet. 114, 12, p. 966-968 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  55. Published

    Low calcium intake is related to increased risk of tooth loss in men

    Adegboye, A. R. A., Fiehn, Nils-Erik, Twetman, Svante, Christensen, Lisa Bøge & Heitmann, Berit, Oct 2010, In: Journal of Nutrition. 140, 10, p. 1864-8 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  56. 2009
  57. Published

    CAMB - Copenhagen Aging and Midlife Biobank. Perspektiver for fremtidig forskning

    Avlund, K., Bruunsgaard, H., Christensen, Ulla, Fiehn, Nils-Erik, Hansen, Åse Marie, Holm-Pedersen, Poul, Jepsen, E., Molbo, Drude, Mortensen, Erik Lykke, Osler, Merete & Lund, Rikke, 1 Oct 2009, In: Miljø og Sundhed. 15, suppl. nr. 1, p. 81-88 8 p.

    Research output: Contribution to journal › Journal article › Research

  58. Published

    Coaggregation between probiotic bacteria and caries-associated strains: An in vitro study

    Twetman, L., Larsen, U., Fiehn, Nils-Erik, Stecksen-Blicks, C. & Twetman, Svante, 2009, In: Acta Odontologica Scandinavica. p. 1-5 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  59. 2008
  60. Published

    Oral bakteriologi

    Larsen, Tove & Fiehn, Nils-Erik, 2008, Klinisk mikrobiologi og infektionsmedicin. Høiby, N. & Skinhøj, P. (eds.). 3. udgave ed. København: FADL's Forlag, p. 299-337 39 p.

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Education

  61. 2005
  62. Published

    Identification of periodontal pathogens in atheroslerotic vessels

    Fiehn, Nils-Erik, Larsen, Tove, Christiansen, N., Holmstrup, Palle & Schroeder, T. V., 2005, In: Journal of Periodontal Research. 76, p. 731-736

    Research output: Contribution to journal › Journal article › Research › peer-review

  63. 2004
  64. Published

    Fremtidens Tandlægeuddannelse - De første 5 år

    Fiehn, Nils-Erik, 2004, In: Praktiserende Tandlægers Tidsskrift. 1, p. 5

    Research output: Contribution to journal › Journal article › Research

  65. 2003
  66. Published

    Oral infections and systemic diseases

    Holmstrup, Palle, Poulsen, A. H., Andersen, L., Skuldbøl, Tim Boaz Bruun & Fiehn, Nils-Erik, 1 Jul 2003, In: Dental Clinics of North America. 47, 3, p. 575-98 24 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  67. Published

    Examination for viable oral bacteria in atherosletoric lesions

    Larsen, Tove, Fiehn, Nils-Erik, Holmstrup, Palle & Schrøder, T., 2003.

    Research output: Contribution to conference › Conference abstract for conference › Research

  68. Published

    The effect of Sterilex Ultra® for disinfection of dental unit waterlines

    Larsen, Tove & Fiehn, Nils-Erik, 2003, In: International Dental Journal. 53, p. 249-254

    Research output: Contribution to journal › Journal article › Research › peer-review

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