PD Dr. med. dent. Sönke Harder

Specialist in:

Implantology, All-on-4™-method, augmentation surgery, prosthetics, periodontal plastic surgery

PD Dr. Harder's clinical work focuses on dental implantology, oral surgery and prosthetic dentistry (dentures). In 2007 he was certified as a specialist in implantology (German Association of Oral Implantology, DGI). In 2008 he received acknowledgement from the Deutsche Gesellschaft für Prothetische Zahnmedizin (DGPro) as a specialist in prosthetic dentistry, and in 2009 he was promoted to the position of senior physician at the university hospital in Kiel.

In the year 2013, he was acknowledged as a private lecturer at the Christian-Albrechts University in Kiel and received a lectureship in dental medicine. Dr. Harder has been involved in the clinical research and development of dental implant systems for 10 years now. His scientific work has received several international prizes already. Together with Prof. Stefan Wolfart, Prof. Stefan Reich and Prof. Irena Sailer, he is a co-author of the new textbook and standard reference for implant prosthetics.

Higher education and postgraduate specialisation for PD Dr med. dent. Sönke Harder

1998–2004Kiel University, Germany
2005PhD studies at Kiel University, Germany
2005Training assistant at an independent dental practice, Hamburg, Germany
2005-2008Research assistant at the Clinic for Prosthetics at Kiel University (CAU) as well as the Dental Prosthetics Polyclinic at Ludwig Maximilian University of Munich (LMU).
2008-2010Consultant, Clinic for Dental Prosthetics at Kiel University
Since 2010External employee of Kiel University
2013PhD in Dentistry at Kiel University, appointment as private lecturer

Continuous professional development

2008Prosthetics specialist of the German Association for Prosthetic Dentistry and Biological Material (DGPro, formerly DGZPW)
2008Implantology specialist of the German Association for Implantology (DGI)
2009Verifying dentist for drug trials (Charité teaching hospital, Berlin, Germany)
2009Advanced specialisation in radiation protection in digital volume tomography (DVT) for 3D skull diagnostics and navigated implantation planning


Science

Clinical research at Kiel University in implantology and prosthetic dentistry

Lecturer for postgraduate education within the framework of the implantology curriculum of the German Association for Implantology (DGI)

Speaker at national and international conferences

Specialist author in the areas of prosthetic dentistry and implantology

Member of the editorial board of the German-language trade magazine “Implantologie”

Member of the review board of the international trade magazine "Clinical Implant dentistry And Related Research"

Memberships

Member of the International Association of Dental Research (IADR), the German Association for Prosthetic Dentistry and Biological Materials (DGPro), the German Association for Implantology (DGI), the Academy for Practice and Science (APW), and the German Association for Dental, Oral, and Maxillo-Facial Surgery (DGZMK)

  • Harder, S, Egert, C, Freitag-Wolf, S, Mehl, C, Kern, M. Intraosseous temperature change during implant site preparation: in vitro comparison of thermocouples and infrared thermography. Int J Oral Maxillofac Impl. 2017, accepted for publication. 
  • Mehl, C, Zhang, Q, Lehmann, F, Kern, M. Retention of zirconia on titanium in two-piece abutments using self-adhesive resin cements. J Prosth Dent. accepted for publication.
  • Mehl, C, Kern, M, Zimmermann, A, Harder, S, Huth, S, Selhguber-Unkel, C, Impact of cleaning procedures on adhesion of living cells to three abutment materials. Int J Oral Maxillofac Implants. 2017 in press.
  • Mehl, C, Kern, M, Neumann, F, Bähr, T, Wiltfang, J, Gassling, V. The effect of ultraviolet photofunctionalization of dental titanium implants on osseointegration. J Zhejiang Univ Sci-Fi B. 2017 in press.
  • Li, J, Lin, J, Yu, W, Song, X, Hu, Q, Xu, JH, Wang, H, Mehl, C. BMP-2 plasmid DNA-loaded chitosan films - a new strategy for bone engineering. J Cran Maxillofac Surg. 2017, accepted for publication.
  • Lin, J, Shao, J, Li, J, Yu, W, Song, X, Liu, P, Weng, W, Xu, JH, Mehl, C. Enhancing bone regeneration by combining mesenchymal stem cell sheets with β-TCP/COL-I scaffolds. J Biomed Mat Res - Part B. 2017, accepted for publication.
  • Bösch, T.  Gesunde Zähne, gesunder Körper - Warum Prophylaxe für die Allgemeingesundheit so wichtig ist. Prophylaxe Journal 2016; 5;1-7
  • Bösch, T., Mehl, C. Implantology and Prosthodontics at crossroads - classic vs. modern treatment concepts. 2016; 1;1-7
  • Mehl, C. Kern, M., Schütte, M., Kadem, L., Selhuber-Unkel, C. Adhesion of living cells to abutment materials, dentin and adhesive luting cement with different surface qualities. Dental Materials. article accepted for publication, 2016
  • Basel, J. Apexifikation mit MTA nach Trauma am jugendlichen Zahn. Endodontie Journal. 3; 2016.
  • Bösch, T., Harder, S., Mehl, C. Höhere Lebensqualität durch festen Zahnersatz - Ein Fallbericht. Dental Barometer. 08; 2016.
  • Lin, H., Li, J., Lin, J., Mehl, C. In-vitro remineralization of hybrid layers using biomimetic analogs. accepted for publication 06/2016, in press. 
  • Mehl, C., Gassling, V., Schultz-Langerhans, S., Acil, Y., Baehr, T., Wiltfang, J., Kern, M., Influence of four different abutment materials and the adhesive joint of two-piece abutments on the cervical bone and soft tissue. accepted for publication 06/2016, in press. 
  • Mehl, C., Kern, M., Meinke, N., Acyl, Y., Bähr, T., Wiltfang, J., Gaßling, V. Can one-wall bone defects be augmented with xenogenic bone grafting materials alone? accepted for publication 03/2016, in press. 
  • Bösch, T. Mehl, C., Harder, S. Der Allgemeinarzt. Parodontitis - 
  • Gefahr aus der Mundhöhle. 2016 in press.
  • Mehl, C. Okano, N. Ludwig, K., Kern, M. Retention of bonded titanium copings fixed to implant abutments. 2015 in press.
  • Mehl, C., Harder, S., Lin, J., Vollrath, O., Kern, M. Perception of dental esthetics - influence of restoration type, symmetrie and color in four different countries, 2015 in press.
  • Mehl, C., Harder, S., Wolfart, S., Vollrath, O., Trinkler, A., Wenz, HJ., Kern, M. Influence of dental education on esthetic perception, 2015 in press.
  • Beck-Broichsitter, BE., Garling, A. Koehne, T., Barvencik, F., Smeets, R. Mehl, C., Jeschke, A., Wiltfang, J., Becker, S. T. 3D-tracking the regenerative potential of the mandible with micro-CTs. 2015. in press.
  • Mehl, C., Steiner, M., Ludwig, K., Kern, M. Wear, micorleakage and plastic deformation of an implant-supported chair sied bar system 2015. accepted for publication.
  • Mehl, C. und Harder, S. Prothetik konventionell und digital - Ein Vergleich. DDM, 2014; in press.
  • Mehl, C., Harder, S. Konventionelle und digitale Verfahren vergleichend kombiniert. DDN, 2014; 11, 66-73.
  • Mehl, C. Harder, S. Ali, S. El Bahra, S. Vollrath, O. Kern, M. Is there a correlation between tensile strength and retrievability of cemented implant-retained crowns using artificial ageing? 2014, Accepted for publication.
  • Mehl, C., Harder, S., Schwarz, D., Steiner, M., Vollrath, O., Kern, M. In vitro influence of ultrasonic stress, removal force preload and thermocycling on the retrievability of implant-retained crowns. Clin Oral Implants Res. 2011 Jul 4, in press.
  • Mehl, C., Harder, S., Kern, M., Wolfart, S. Patients’ and dentists’ perception of dental appearance. Clin Oral Investig. 2011 Apr;15(2):193-9.
  • Kern, M., Harder, S. & Wolfart, S., (2010) Besser eins als keins. Das mittige Einzel-Implantat im zahnlosen Unterkiefer älterer Patienten. Zahnärztl Mitt 100: 2404-2408.
  • Harder, S. & Kern, M., (2010) Provisorische Versorgung und Weichgewebskonditionierung – vor und nach Einzelzahnimplantation. Implantol 18: 407-416.
  • Harder, S., Mehl, C. & Kern, M., (2010) Behandlungsmöglichkeiten bei tief frakturierten Pfeilerzähnen. Quintessenz 61: 1485-1494.
  • Kern, M. & Harder, S., (2010) Antimicrobial filling of implant cavities. J Prosthet Dent 103: 321-322.
  • Mehl C, Harder S, Steiner M, Vollrath O, Kern M. Influence of the cement film thickness on the retention of implant-retained crowns. J Oral Maxillofac Surg. (accepted for publication)
  • Lin J, Kern M, Ge J, Zhua J, Wang H, Vollrath O, Mehl C, Influence of peripheral enamel bonding and chlorhexidine pretreatment on resin bonding to dentin. J Adhes Dent (accepted for publication)
  • Mehl C, Wolfart S, Vollrath O, Wenz H, Kern M. Perception of dental esthetics in different cultures. Int J Prosthodont. (accepted for publication)
  • Harder S, Podschun R, Grancicova L, Mehl C, Kern M. (2012) Analysis of the intraimplant microflora of two-piece dental implants. Clin Oral Invest (accepted for publication)
  • Mehl C, Harder S, Byrne A, Kern M.  Prosthodontics in digital times – a case report. Quintessence Int  (accepted for publication)
  • Mehl C, Harder S, Shahriari A, Steiner M, Kern M (2012) Influence of abutment height and thermal cycling on retrievability of cemented implant supported crowns. Int J Oral Maxillofac Implants in press
  • Mehl C, Harder S, Schwarz D, Steiner M, Vollrath O, Kern M (2012) In vitro influence of ultrasonic stress, removal force preload and thermocycling on the retrievability of implant-retained crowns. Clin Oral Implants Res. in press
  • Mehl C, Becker S, Harder S, Acil Y, Wiltfang J, Dabbagh-Afrouz A, De Buhr W, Kern M (2012) Impact of dynamic loading on the implant-bone interface. Clin Oral Implants Res in press
  • Harder, S., Dimaczek, B., Acil, Y., Terheyden, H., Freitag-Wolf, S. & Kern, M., (2010) Molecular leakage at implant- abutment connection-in vitro investigation of tightness of internal conical implant-abutment connections against endotoxin penetration. Clin Oral Invest 14: 427- 432.
  • Harder, S., Wolfart, S., Eschbach, S. & Kern, M., (2010) Eight-year outcome of posterior inlay-retained all-ceramic fixed dental prostheses. J Dent 38: 875- 881.
  • Harder, S., Wiltfang, J. & Kern, M., (2009) Prothetische Versorgung distaler freiendsituationen mit dentalen implantaten zur Vermeidung herausnehmbaren Zahnersatzes. Quintessenz 60: 1305-1318.
  • Harder, S., Wolfart, S., Mehl, C. & Kern, M., (2009) Leistung von ultraschallgeräten in der knochenchirurgie und damit verbundene temperaturentwicklung im Knochen. Implantol 17: 305-313.
  • Harder, S., Dimaczek, B., Acil, Y., Terheyden, H., Freitag-Wolf, S. & Kern, M., (2009) Molecular leakage at implant- abutment connection-in vitro investigation of tightness of internal conical implant- abutment connections against endotoxin penetration. Clin Oral Investig.
  • Harder, S. & Kern, M., (2009) Survival and complications of computer aided-designing and computer-aided manufacturing vs. Conventionally fabricated implant-supported reconstructions: A systematic review. Clin Oral Implants Res 20 Suppl 4: 48-54.
  • Harder, S., Wolfart, S., Eschbach, S. & Kern, M., (2009) Outcome of posterior all-ceramic inlay-retained fixed dental prostheses. J Dent Res 88: Abstr No 1638.
  • Harder, S., Wolfart, S., Mehl, C. & Kern, M., (2009) Performance of ultrasonic devices for bone surgery and associated intraosseous temperature development. Int J Oral Maxillofac Implants 24: 484-490.
  • Wolfart, S., Harder, S., Eschbach, S. & Kern, M., (2008) Outcome of posterior fpds of veneered zirconia ceramic (cercon). J Dent Res 86: Abstr No 576.
  • Mehl, C., Harder, S., Wolfart, M., Kern, M., Wolfart, S. Retrievability of implant-retained crowns following cementation. Clin Oral Implants Res. 2008 Dec;19(12):1304-11.
  • Harder, S., Wolfart, S., Ludwig, K., Möller, R., Steiner, M. & Kern, M., (2007) Bone cutting performance of ultrasonic devices and associated temperature development. J Dent Res 86: Abstr No 2914.
  • Lin J, Zhu J, Gu X, Wen W, Li Q, Fischer-Brandies H, Wang H, Mehl C (2011) Effects of incorporation of nano-fluorapatite or nanofluorohydroxy-apatite on a resin-modified glass ionomer cement. Acta Biomater. 7:1346-53.
  • Mehl C, Harder S, Kern M, Wolfart S (2011) Patients' and dentists' perception of dental appearance. Clin Oral Investig. 15:193-9.
  • Mehl C, Lang B, Kappert H, Kern M (2011) Microstructure analysis of dental castings used in fixed dental prostheses - a simple method for quality control. Clin Oral Investig. 15:383-91.
  • Harder S, Kern M, Mehl C (2010) Behandlungsmöglichkeiten bei tief frakturierten Pfeilerzähnen. Quintessence Deutschland 12:1485- 1494.
  • Mehl C, Kern M, Freitag-Wolf S, Wolfart M, Brunzel S, Wolfart S (2009) Does the Oral Health Impact Profile questionnaire measure dental appearance? Int J Prosthodont 22:87-93.
  • Harder S, Wolfart S, Mehl C, Kern M (2009) Performance of ultrasonic devices for bone surgery and associated intraosseous temperature development. Int J Oral Maxillofac Implants 24:484-90.
  • Mehl C, Harder S, Wolfart M, Kern M, Wolfart S (2008) Retrievability of implant-retained crowns following cementation. Clin Oral Implants Res 19:1304-1311.
  • Mehl C, Wolfart S, Kern M (2008) Kieferorthopädische Extrusion von Zähnen durch Magneten. Quintessenz Deutschland 59:595-604.
  • Mehl C, Wolfart S, Mehl C (2008) Orthodontic extrusion with magnets: A case report. Quintessence Int 5:371-379.
  • Mehl C, Sommer T, Kern M (2007) Einflügelige vollkeramische Adhäsivbrücken – minimalinvasive Ästhetik. Ästhetische Zahnmedizin 4:20-27
  • Birkenfeld, F., Becker, M.E., Kurz, B., Harder, S., Kern, M. & Lucius, R., (2010) Changes in human mandibular bone morphology after heat application. Ann Anat 192: 227-231.
  • Lin J, Mehl C, Yang B, Kern M (2010)  Durability of four composite resin cements bonded to dentin under simulated pulpal pressure. Dent Mater 26:1001-9.
  • Birkenfeld, F., Becker, M.E., Kurz, B., Harder, S., Kern, M. & Lucius, R., (2010) Changes in human mandibular bone morphology after heat application. Ann Anat 192: 227-231.
  • Mehl C, Scheibner S, Ludwig K, Kern M (2007) Wear of composite resin veneering materials and enamel in a chewing simulator. Dent Mater 23:1382-9.
  • Birkenfeld, F., Becker, M.E., Kurz, B., Harder, S., Kern, M. & Lucius, R., (2010) Changes in human mandibular bone morphology after heat application. Ann Anat 192: 227-231.
  • Mehl C, Ludwig K, Steiner M, Kern M (2010) Fracture strength of prefabricated all-ceramic posterior inlay-retained fixed dental prostheses. Dent Mater 26:67-75.
  • Wolfart, S., Harder, S., Eschbach, S., Lehmann, F. & Kern, M., (2009) Four-year clinical results of fixed dental prostheses with zirconia substructures (cercon): End abutments vs. Cantilever design. Eur J Oral Sci 117: 741- 749.
  • Lin J, Fan YJ, Mehl C, Zhu JJ, Chen H, Jin LY, Xu, JH, Wang H. (2011) Eucommia ulmoides Oliv. antagonizes H2O2-induced rat osteoblastic MC3T3-E1 apoptosis by inhibiting expressions of caspases 3, 6, 7, and 9. J Zhejiang Univ Sci B. 12:47-54.
  • Harder, S., Wolfart, S. & Kern, M., (2006) Einsatz eines mobilen Abstimmungs-Systems im Rahmen eines Kurses des Curriculums Implantologie. Z Zahnärztl Implantol 22: F68-72.
  • Mehl C, Wang H, Lin J, Han S, Zhu J, Wang X, Chen Y, Vollrath O. Influence of fluoride-containing acidic artificial saliva on the mechanical properties of Nickel-Titanium orthodontics wires. Ind J Dent Res (accepted for publication)
  • Harder S, Quabius ES, Ossenkop L, Mehl C, Kern, M. (2012) Surface contamination of dental implants assessed by gene expression analysis in a whole-blood in vitro assay. J Clin Periodontol (accepted for publication CPE-03-12-3814.R1)
  • Harder, S., Podschun, R., Grancicova, L., Cassens, M. & Kern, M., (2011) Evaluation of intraimplant bacteria contamination of two stage implants. J Dent Res 90: Abstr No 3415.
  • Ossenkop, L., Harder, S., Quabius, E.S. & Kern, M., (2011) Surface pyrogen contamination of commercial dental implants. J Dent Res 90: Abstr No 3412.
  • Stenger, B.-J.,Harder, S. & Kern, M., (2011) Responsiveness of vital and endodontically treated teeth to loading. J Dent Res 90: Abstr No 492.
  • Egert, C., Harder, S., Steiner, M., Wenz, H.-J. & Kern, M., (2011) Intraosseous temperature development during implant site preparation using different burs J Dent Res 90: Abstr No 3404.

Lectures of the private lecturer Dr. med. dent. Sönke Harder

Dr. Harder is a regular member of the team of speakers of Camlog Biotechnologies GmbH and of Biomet 3i GmbH. 

Lectures of the private lecturer Dr. med. dent. Sönke Harder

  • September 18 - 19, 2015 2nd Hamburg Forum for Innovative Implantology, Hamburg: "Biology or Mechanics - How can we influence the peri-implant bone preservation?"
  • April 24 - 26, 2015 Curriculum Implantology of the German Society for Oral and Maxillofacial Surgery (Deutsche Gesellschaft für Mund-, Kiefer- und Gesichtschirurgie, DGMKG) Dusseldorf, "Classic and modern age - planning and treatment concepts in the field of implant prosthetics"
  • March 4, 2015 Freiburg Forum for Innovative Implantology, Freiburg, "Implant Prosthetics"
  • 2012 4th International Camlog Congress, Lucerne, Switzerland
  • 2012 6th German Meisinger Bone Management Symposium at the Witten/Herdecke University
  • 2007 85th General Session & Exhibition of the IADR, New Orleans, LA, USA
  • 2008 Annual Conference of the German Society for Implantology (Deutsche Gesellschaft für Implantologie DGI), Frankfurt
  • 2008 4th Meeting of the IADR Pan European Federation, London, United Kingdom
  • 2009 87th General Session & Exhibition of the IADR, Miami, FL, USA
  • 2010 Dental Technology, Stuttgart
  • 2010 3rd International Camlog Congress, Stuttgart
  • 2011 89th General Session & Exhibition of the IADR, San Diego, CA, USA
  • 2011 Camlog International Expert Meeting - Venice, Italy
    Awards PD Dr. Harder
    PD Dr. Harder has received several awards for his scientific activity in the field of dental implantology.
  • 2008 Award of the German Society for Implantology Dr. Harder
  • 2010 Award of the German Society for Dental Implantology (Deutsche Gesellschaft für Zahnärztliche Implantologie, DGZI) Dr. Harder
  • 2011 Dr. Harder received the Camlog Research Award
  • 2014 Chairmanship of the Scientific Meeting of the conference of the German Society for Prosthetic Dentistry and Biomaterials (Deutsche Gesellschaft für Prothetische Zahnmedizin und Biomaterialien e.V., DGPro) in Aachen

PD Dr. Harder has received several awards for his scientific activity in the field of dental implantology.

  • 2008 Award of the German Society for Implantology Dr. Harder
  • 2010 Award of the German Society for Dental Implantology (Deutsche Gesellschaft für Zahnärztliche Implantologie, DGZI) Dr. Harder
  • 2011 Dr. Harder received the Camlog Research Award
  • 2014 Chairmanship of the Scientific Meeting of the conference of the German Society for Prosthetic Dentistry and Biomaterials (Deutsche Gesellschaft für Prothetische Zahnmedizin und Biomaterialien e.V., DGPro) in Aachen

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