Horst Fischer

Summary

Affiliation: RWTH Aachen
Country: Germany

Publications

  1. ncbi Fracture toughness of dental ceramics: comparison of bending and indentation method
    Horst Fischer
    Department of Dental Prosthetics, Section of Dental Materials, University of Technology, Aachen, Germany
    Dent Mater 18:12-9. 2002
  2. doi Chemical strengthening of a dental lithium disilicate glass-ceramic material
    Horst Fischer
    Department of Ceramics and Refractory Materials, RWTH Aachen University, Mauerstrasse 5, 52064 Aachen, Germany
    J Biomed Mater Res A 87:582-7. 2008
  3. ncbi Influence of preparation of ceramic SEVNB specimens on fracture toughness testing results
    H Fischer
    Department of Ceramics and Refractory Materials, Institute of Mineral Engineering, RWTH Aachen University, Mauerstrasse 5, D 52064 Aachen, Germany
    Dent Mater 24:618-22. 2008
  4. ncbi Crack healing in alumina bioceramics
    H Fischer
    Department of Ceramics and Refractory Materials, Institute of Mineral Engineering, RWTH Aachen University, Mauerstrasse 5, D 52064 Aachen, Germany
    Dent Mater 24:328-32. 2008
  5. ncbi Hemocompatibility of high strength oxide ceramic materials: an in vitro study
    Horst Fischer
    Department of Ceramics and Refractory Materials, RWTH Aachen University, Mauerstrasse 5, D 52064 Aachen, Germany
    J Biomed Mater Res A 81:982-6. 2007
  6. ncbi Influence of annealing temperature on the strength of dental glass ceramic materials
    H Fischer
    Department of Ceramics and Refractory Materials, Institute of Mineral Engineering, RWTH Aachen University, Mauerstrasse 5, D 52064 Aachen, Germany
    Dent Mater 21:671-7. 2005
  7. ncbi Bioactivation of inert alumina ceramics by hydroxylation
    Horst Fischer
    Department of Ceramics and Refractory Materials, RWTH Aachen University, Mauerstrasse 5, D 52064 Aachen, Germany
    Biomaterials 26:6151-7. 2005
  8. ncbi Effect of ion exchange of glazed dental glass ceramics on strength parameters
    H Fischer
    Department of Ceramics and Refractory Materials, RWTH Aachen University, Germany
    J Biomed Mater Res A 72:175-9. 2005
  9. ncbi Finite element and experimental analyses of polymer-based dental bridges reinforced by ceramic bars
    H Fischer
    Department of Ceramics and Refractory Materials, University RWTH, Aachen, Germany
    J Biomech 37:289-94. 2004
  10. ncbi Effect of surface roughness on flexural strength of veneer ceramics
    H Fischer
    Department of Dental Prosthetics, Section of Dental Materials, University RWTH Aachen, Germany
    J Dent Res 82:972-5. 2003

Collaborators

  • Rudolf Marx
  • Michael Weber
  • Frank Holzle
  • Daniel Edelhoff
  • Michael Stimmlmayr
  • Dieter Christian Wirtz
  • Thomas Pufe
  • Adrian Keller
  • Markus Lindner
  • Pieter J Emans
  • Johannes Ebert
  • M Neuss
  • M Karl
  • T D Taylor
  • S M Heckmann
  • C Niedhart
  • Molly M Stevens
  • Stephan Zeiter
  • Daniela F Duarte Campos
  • Andreas Blaeser
  • Stefan Raith
  • Armin Kirsten
  • Daniela Filipa Duarte Campos
  • Sabine Neuss
  • Rainer Telle
  • Timm Steiner
  • Marius Köpf
  • Sven Nebelung
  • Frederik Böke
  • Isabel Wittenbrink
  • Michael Vogt
  • Jörg Jäkel
  • Karolina Schickle
  • Christian J D Bergmann
  • Frank Y W Yung
  • Manja Plewinski
  • Kristina Möllers
  • Benjamin Cappi
  • Wen Zhang
  • Viktoria Varga
  • Björn Sondern
  • Christiane Kuhl
  • Markus Tingart
  • Walter Tillmann
  • Ali Modabber
  • Björn Rath
  • Uta Puster
  • Holger Jahr
  • Guido Grundmeier
  • Marybeth Howard
  • Ignacio Giner
  • Kate Buellesbach
  • Kshama S Sen
  • Daniel Truhn
  • Walter Richtering
  • Weiwei Xun
  • Simon Oehrl
  • Murat Yildirim
  • Kshama Shree Sen
  • Sebastian Wolff
  • Anne Korsten
  • Roswitha Davtalab
  • Anne Hausmann
  • Morten Foss
  • Ines Lauria
  • Ludovic Boure
  • Martin Zenke
  • Marc van Zandvoort
  • Jürgen Pyta
  • Jim C E Odekerken
  • Tim J M Welting
  • Declan Devine
  • Lodewijk W van Rhijn
  • Remco T A Megens
  • Franz Jungwirth
  • Rene Franzen
  • Norbert Gutknecht
  • Wilhelm Jahnen-Dechent
  • Jan Frederik Güth
  • Wiebke Pätzold
  • Daniel Parkot
  • Ruth Knüchel
  • B Cappi
  • Sabine Begand
  • Thomas Oberbach
  • R Telle
  • M Titze
  • Jochen Salber
  • Paul H Yancey
  • Steven R Gullans

Detail Information

Publications42

  1. ncbi Fracture toughness of dental ceramics: comparison of bending and indentation method
    Horst Fischer
    Department of Dental Prosthetics, Section of Dental Materials, University of Technology, Aachen, Germany
    Dent Mater 18:12-9. 2002
    ..The aim of this study was to compare two fracture toughness methods, the bending method on notched specimens as reference and the indentation method as comparison. Potentialities and limitations of the indentation method were analyzed...
  2. doi Chemical strengthening of a dental lithium disilicate glass-ceramic material
    Horst Fischer
    Department of Ceramics and Refractory Materials, RWTH Aachen University, Mauerstrasse 5, 52064 Aachen, Germany
    J Biomed Mater Res A 87:582-7. 2008
    ..The improved material could be used for highly stressed applications, such as posterior crowns or inlay-retained bridges, with higher mechanical reliability...
  3. ncbi Influence of preparation of ceramic SEVNB specimens on fracture toughness testing results
    H Fischer
    Department of Ceramics and Refractory Materials, Institute of Mineral Engineering, RWTH Aachen University, Mauerstrasse 5, D 52064 Aachen, Germany
    Dent Mater 24:618-22. 2008
    ..The objective of the study is to reveal and quantify the influence of the notch root radius on the fracture toughness value proved on the high strength ceramic material zirconia...
  4. ncbi Crack healing in alumina bioceramics
    H Fischer
    Department of Ceramics and Refractory Materials, Institute of Mineral Engineering, RWTH Aachen University, Mauerstrasse 5, D 52064 Aachen, Germany
    Dent Mater 24:328-32. 2008
    ..A method is presented to heal up such microscopic cracks by a glass infiltration process...
  5. ncbi Hemocompatibility of high strength oxide ceramic materials: an in vitro study
    Horst Fischer
    Department of Ceramics and Refractory Materials, RWTH Aachen University, Mauerstrasse 5, D 52064 Aachen, Germany
    J Biomed Mater Res A 81:982-6. 2007
    ..Our results revealed that oxide ceramic materials alone cannot be used for implants in direct blood contact without modification of the ceramic surface, for example, by made-to-measure inert nanocoatings...
  6. ncbi Influence of annealing temperature on the strength of dental glass ceramic materials
    H Fischer
    Department of Ceramics and Refractory Materials, Institute of Mineral Engineering, RWTH Aachen University, Mauerstrasse 5, D 52064 Aachen, Germany
    Dent Mater 21:671-7. 2005
    ..The hypothesis of this work was, that the annealing temperature must be individually chosen to reliably remove possible residual stresses without changing the characteristics of the glass ceramic material...
  7. ncbi Bioactivation of inert alumina ceramics by hydroxylation
    Horst Fischer
    Department of Ceramics and Refractory Materials, RWTH Aachen University, Mauerstrasse 5, D 52064 Aachen, Germany
    Biomaterials 26:6151-7. 2005
    ..Our results indicate that the described surface technique could be used to develop a new class of osseointegrative high-strength ceramic implants...
  8. ncbi Effect of ion exchange of glazed dental glass ceramics on strength parameters
    H Fischer
    Department of Ceramics and Refractory Materials, RWTH Aachen University, Germany
    J Biomed Mater Res A 72:175-9. 2005
    ..We conclude that dual ion exchange treatments could significantly increase the mechanical reliability of stained and glazed glass ceramic restorations...
  9. ncbi Finite element and experimental analyses of polymer-based dental bridges reinforced by ceramic bars
    H Fischer
    Department of Ceramics and Refractory Materials, University RWTH, Aachen, Germany
    J Biomech 37:289-94. 2004
    ..The FE and the experimental analyses revealed that the detailed design of the ceramic bar is of decisive importance for the effectiveness of the suggested ceramic reinforcement...
  10. ncbi Effect of surface roughness on flexural strength of veneer ceramics
    H Fischer
    Department of Dental Prosthetics, Section of Dental Materials, University RWTH Aachen, Germany
    J Dent Res 82:972-5. 2003
    ....
  11. ncbi Improvement of strength parameters of a leucite-reinforced glass ceramic by dual-ion exchange
    H Fischer
    Department of Dental Prosthetics, University of Technology, Aachen, Germany
    J Dent Res 80:336-9. 2001
    ....
  12. ncbi Improved reliability of leucite reinforced glass by ion exchange
    H Fischer
    Section of Dental Materials, Department of Prosthetic Dentistry, University of Technology, Aachen, Germany
    Dent Mater 16:120-8. 2000
    ..The aim of this study was to develop an adequate process-, proof- and calculation technique for the chemical strengthening of dental ceramic materials in order to evaluate the efficiency of this method from the engineering point of view...
  13. ncbi Nondestructive estimation of the strength of dental ceramic materials
    H Fischer
    University of Technology Aachen, Lehr und Forschungsgebiet Zahnärztliche Werkstoffkunde, Klinik für Zahnärztliche Prothetik, Pauwelsstrasse 30, D 52074 Aachen, Germany
    Dent Mater 17:289-95. 2001
    ..The aim of this study was to prove a nondestructive method to evaluate the strength of dental ceramic materials with respect to its potentiality and limitations...
  14. ncbi Suppression of subcritical crack growth in a leucite-reinforced dental glass by ion exchange
    Horst Fischer
    Section of Dental Materials, Department of Prosthetic Dentistry, University of Technology Aachen, Pauwelsstrasse 30, D 52074 Aachen, Germany
    J Biomed Mater Res A 66:885-9. 2003
    ..This could improve the clinical reliability of dental restorations made from this class of materials...
  15. ncbi R-curve behavior of dental ceramic materials
    H Fischer
    Department of Dental Prosthetics, Section of Dental Materials, University of Technology Aachen, Pauwelsstrasse 30, D 52074 Aachen, Germany
    J Dent Res 81:547-51. 2002
    ..We conclude from our results that the mechanical behavior of a dental ceramic material can be judged more comprehensively, if the R-curve of the respective material is known...
  16. ncbi Elimination of low-quality ceramic posts by proof testing
    Horst Fischer
    Section of Dental Materials of the Department of Dental Prosthetics, University of Technology Aachen, Pauwelsstrasse 30, D 52074, Aachen, Germany
    Dent Mater 18:570-5. 2002
    ..The hypothesis of this study is that the failure of ceramic posts in vivo, which occur on low-quality posts because of critical microscopic defects can be excluded using the so-called proof test technology...
  17. ncbi Lifetime prediction of all-ceramic bridges by computational methods
    H Fischer
    Department of Dental Prosthetics, Section of Dental Materials, University of Technology Aachen, Pauwelsstrasse 30, D 52074 Aachen, Germany
    J Dent Res 82:238-42. 2003
    ..We conclude that computational techniques can help to judge a ceramic material and a specific ceramic bridge design with respect to mechanical reliability before clinical use...
  18. doi Influence of connector design and material composition and veneering on the stress distribution of all-ceramic fixed dental prostheses: a finite element study
    Kristina Möllers
    Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, Pauwelsstrasse 30, 52074 Aachen, Germany
    Dent Mater 27:e171-5. 2011
    ..The hypothesis of this study was that stresses in the connector area of a veneered FDP are strongly influenced by the framework dimensions and the veneering material...
  19. doi Cytocompatibility of high strength non-oxide ceramics
    Benjamin Cappi
    Department of Ceramics and Refractory Materials, RWTH Aachen University, 52064 Aachen, Germany
    J Biomed Mater Res A 93:67-76. 2010
    ..Our results indicate that the high strength non-oxide ceramics are material candidates in the future especially for highly loaded, thin-walled implants like ceramic resurfacing hip prostheses...
  20. doi Subcritical crack growth behavior of dispersion oxide ceramics
    Armin Kirsten
    Department of Dental Materials and Biomaterials Research, University Hospital Aachen, Pauwelsstrasse 30, 52074 Aachen, Germany
    J Biomed Mater Res B Appl Biomater 95:202-6. 2010
    ..It can be concluded that tailored dispersion oxide ceramics can address the aging problem of monolithic zirconia. This makes ATZ very interesting for components of joint replacement as well as for dental prostheses and implants...
  21. doi The stiffness and structure of three-dimensional printed hydrogels direct the differentiation of mesenchymal stromal cells toward adipogenic and osteogenic lineages
    Daniela F Duarte Campos
    1 Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, Aachen, Germany
    Tissue Eng Part A 21:740-56. 2015
    ..The conjugation of type I collagen to agarose with varying ratios is possibly a suitable bioink for a broad range of 3D printed mesenchymal tissues. ..
  22. doi Two-photon laser scanning microscopy as a useful tool for imaging and evaluating macrophage-, IL-4 activated macrophage- and osteoclast-based in vitro degradation of beta-tricalcium phosphate bone substitute material
    Daniela F Duarte Campos
    Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, Pauwelsstrasse 30, 52074, Aachen, Germany
    Microsc Res Tech 77:143-52. 2014
    ..For the first time by applying two-photon microscopy, our studies show the previously unrecognized potential of macrophages to phagocytose ceramic material, which is expected to have implication on osteoconductive scaffold design...
  23. doi Improved mechanical long-term reliability of hip resurfacing prostheses by using silicon nitride
    Wen Zhang
    Department of Ceramics and Refractory Materials, RWTH Aachen University, Mauerstrasse 5, 52064 Aachen, Germany
    J Mater Sci Mater Med 21:3049-57. 2010
    ..Moreover, we conclude that the FEA and corresponded post-processing can help us to evaluate a new ceramic material and a specific new implant design with respect to the mechanical reliability before clinical application...
  24. ncbi Computational geometry assessment for morphometric analysis of the mandible
    Stefan Raith
    a Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, Aachen, Germany
    Comput Methods Biomech Biomed Engin 20:27-34. 2017
    ....
  25. ncbi Detection of microscopic cracks in dental ceramic materials by fluorescent penetrant method
    Horst Fischer
    Section of Dental Materials of the Department of Prosthetic Dentistry, University of Technology, Aachen, FRG
    J Biomed Mater Res 61:153-8. 2002
    ....
  26. doi Bioprinting Organotypic Hydrogels with Improved Mesenchymal Stem Cell Remodeling and Mineralization Properties for Bone Tissue Engineering
    Daniela Filipa Duarte Campos
    Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, Pauwelsstrasse 30, 52074, Aachen, Germany
    Adv Healthc Mater 5:1336-45. 2016
    ....
  27. doi The effect of crystallization of bioactive bioglass 45S5 on apatite formation and degradation
    Manja Plewinski
    Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, Pauwelsstrasse 30, 52074 Aachen, Germany
    Dent Mater 29:1256-64. 2013
    ..We hypothesize that both the apatite formation on the surface and the chemical stability can be improved by crystallization of the bioglass...
  28. doi Three-dimensional printing of stem cell-laden hydrogels submerged in a hydrophobic high-density fluid
    Daniela F Duarte Campos
    Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, Pauwelsstrasse 30, Aachen, Germany
    Biofabrication 5:015003. 2013
    ..The compressive strength values of the printed gels consequently increased during the two weeks in culture, revealing encouraging results for future applications in regenerative medicine...
  29. doi Direct inkjet printing of dental prostheses made of zirconia
    J Ebert
    Department of Ceramics and Refractory Materials, RWTH Aachen University, Mauerstrasse 5, 52064 Aachen, Germany
    J Dent Res 88:673-6. 2009
    ..5) were determined on 3D-printed and subsequently sintered specimens. The novel technique has great potential to produce, cost-efficiently, all-ceramic dental restorations at high accuracy and with a minimum of materials consumption...
  30. ncbi Planning of mandibular reconstructions based on statistical shape models
    Stefan Raith
    Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, Pauwelsstr 30, 52074, Aachen, Germany
    Int J Comput Assist Radiol Surg . 2016
    ..The objective of the current study was to develop a computer-based method that is capable of proposing a reconstruction shape from a known residual mandible part...
  31. doi Plasma-Enhanced Chemical Vapor Deposition (PE-CVD) yields better Hydrolytical Stability of Biocompatible SiOx Thin Films on Implant Alumina Ceramics compared to Rapid Thermal Evaporation Physical Vapor Deposition (PVD)
    Frederik Böke
    Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, Pauwelsstrasse 30, 52074 Aachen, Germany
    ACS Appl Mater Interfaces 8:17805-16. 2016
    ..However, PE-CVD appears to be favorable for long-term direct film exposure to aqueous solutions. ..
  32. doi A tailored three-dimensionally printable agarose-collagen blend allows encapsulation, spreading, and attachment of human umbilical artery smooth muscle cells
    Marius Köpf
    Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, Pauwelsstrasse 30, D 52074 Aachen, Germany
    Biofabrication 8:025011. 2016
    ....
  33. ncbi Functional MR Imaging Mapping of Human Articular Cartilage Response to Loading
    Sven Nebelung
    From the Department of Orthopaedics S N, B S, S O, M T, B R, H J, Department of Diagnostic and Interventional Radiology S N, C K, D T, and Department of Dental Materials and Biomaterials Research S R, H F, Aachen University Hospital, Pauwelsstrasse 30, 52074 Aachen, Germany and Institute of Anatomy and Cell Biology, RWTH Aachen University, Aachen, Germany S N, T P
    Radiology . 2016
    ..sup>© RSNA, 2016 Online supplemental material is available for this article...
  34. doi Low-aspect ratio nanopatterns on bioinert alumina influence the response and morphology of osteoblast-like cells
    Isabel Wittenbrink
    Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, Pauwelsstrasse 30, 52074, Aachen, Germany
    Biomaterials 62:58-65. 2015
    ..In conclusion, it is shown that surface topography in the sub-nm range significantly influences the response of osteoblast-like cells...
  35. doi Controlling Shear Stress in 3D Bioprinting is a Key Factor to Balance Printing Resolution and Stem Cell Integrity
    Andreas Blaeser
    Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, Pauwelsstrasse 30, 52074, Aachen, Germany
    Adv Healthc Mater 5:326-33. 2016
    ..This work pioneers the investigation of shear stress-induced cell damage in 3D bioprinting and might help to comprehend and improve the outcome of cell-printing studies in the future. ..
  36. pmc Calcium phosphate based three-dimensional cold plotted bone scaffolds for critical size bone defects
    Christian J D Bergmann
    Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, Pauwelsstrasse 30, 52074 Aachen, Germany
    Biomed Res Int 2014:852610. 2014
    ....
  37. doi Shear strength of composite bonded to Er:YAG laser-prepared enamel: an in vitro comparative study
    Frank Y W Yung
    Aachen University, Aachen, Germany
    Lasers Med Sci 28:879-89. 2013
    ..By including an energy density comparable to published adhesion studies, the secondary objective is to compare the adhesion effects of these selected laser conditioning parameters on enamel with other similar published studies...
  38. ncbi Improvement of the long-term adhesive strength between metal stem and polymethylmethacrylate bone cement by a silica/silane interlayer system
    H Fischer
    Section of Dental Materials, Department of Prosthetic Dentistry, University of Technology Aachen, Pauwelsstrasse 30, D-52074 Aachen, Germany
    J Biomed Mater Res 57:413-8. 2001
    ..The new coating interface system could help to considerably reduce revision operations caused by debonding effects at the interface metal/polymethylmethacrylate bone cement...
  39. ncbi In vivo fracture resistance of implant-supported all-ceramic restorations
    Murat Yildirim
    Department of Prosthodontics, University of Aachen, Medical Center, Pauwelsstr 30, 52074 Aachen, Germany
    J Prosthet Dent 90:325-31. 2003
    ..No previous study has compared the fracture loads between 2 different all-ceramic abutments restored by glass-ceramic crowns...
  40. ncbi Structural changes in ceramic veneered three-unit implant-supported restorations as a consequence of static and dynamic loading
    Matthias Karl
    Department of Prosthodontics, University of Erlangen Nuremberg, Gluckstrasse 11, 91054 Erlangen, Germany
    Dent Mater 24:464-70. 2008
    ....
  41. ncbi Developmental regulation of DUOX1 expression and function in human fetal lung epithelial cells
    Horst Fischer
    Children s Hospital Oakland Research Institute, 5700 Martin Luther King Jr Way, Oakland, CA 94609 1673, USA
    Am J Physiol Lung Cell Mol Physiol 292:L1506-14. 2007
    ..These data establish the regulated expression of DUOX1 during alveolar maturation, and indicate DUOX1 in alveolar H(2)O(2) and acid secretion by differentiated type II cells...
  42. ncbi Mammalian osmolytes and S-nitrosoglutathione promote Delta F508 cystic fibrosis transmembrane conductance regulator (CFTR) protein maturation and function
    Marybeth Howard
    Department of Surgery, Surgical Research Laboratory, University of California, San Francisco, California 94110, USA
    J Biol Chem 278:35159-67. 2003
    ..Finally, our observations may help to explain why Delta F508 homozygous patients do not present with kidney dysfunction...