Now showing items 21-38 of 38

    • In-situ laser directed energy deposition of biomedical ti-nb and ti-zr-nb alloys from elemental powders 

      Arias González, Felipe; Rodríguez Contreras, Alejandra María; Punset Fuste, Miquel; Manero Planella, José María; Barro Guizán, Óscar; Fernández Arias, M.; Lusquiños Rodriguez, Fernando; Gil Mur, Javier; Pou, Juan (Multidisciplinary Digital Publishing Institute (MDPI), 2021-08-01)
      Article
      Open Access
      Covenantee:   Universitat Internacional de Catalunya / Institut de Recerca Sant Joan de Déu / Universidade de Vigo
      In order to achieve the required properties of titanium implants, more resources and research are needed to turn into reality the dream of developing the perfect implant material. The objective of this study was to evaluate ...
    • In vitro assessment of PEEK and titanium implant abutments: screw loosening and microleakage evaluations under dynamic mechanical testing 

      Ortiz Hernández, Mónica; Punset Fuste, Miquel (2020-12)
      Article
      Open Access
      Covenantee:   Universitat Internacional de Catalunya
      Statement of problem. Polyetheretherketone (PEEK) has been advocated to replace metal components in dentistry. Although PEEK is a high-performance polymer with a white color, adequate biological response, and resistance ...
    • Laser-deposited beta type Ti-42Nb alloy with anisotropic mechanical properties for pioneering biomedical implants with a very low elastic modulus 

      Arias González, Felipe; Rodríguez Contreras, Alejandra María; Punset Fuste, Miquel; Manero Planella, José María; Barro Guizán, Óscar; Fernández Arias, M.; Lusquiños Rodriguez, Fernando; Gil, Javier; Pou, Juan (Multidisciplinary Digital Publishing Institute (MDPI), 2022-10-01)
      Article
      Open Access
      Covenantee:   Universidade de Vigo / Institut de Recerca Sant Joan de Déu / Instituto de Investigación Sanitaria Galicia Sur / Universitat Internacional de Catalunya. Facultat d'Odontologia
      Present commercial titanium alloy implants have an elastic modulus higher than 100 GPa, whereas that of the cortical bone is much smaller (17–28 GPa). This elastic modulus mismatch produces a stress shielding effect and ...
    • Mechanical characterisation and biomechanical and biological behaviours of Ti-Zr Binary-Alloy dental implants 

      Brizuela Velasco, Aritza; Pérez Pevida, Esteban; Jiménez Garrudo, Antonio; Gil Mur, Francisco Javier; Manero Planella, José María; Punset Fuste, Miquel; Chávarri Prado, David; Diéguez Pereira, Markel; Monticelli, Francesca (2017-11-29)
      Article
      Open Access
      The objective of the study is to characterise the mechanical properties of Ti-15Zr binary alloy dental implants and to describe their biomechanical behaviour as well as their osseointegration capacity compared with the ...
    • Mechanical characterization of dental prostheses manufactured with PMMA–graphene composites 

      Punset Fuste, Miquel; Brizuela Velasco, Aritza; Pérez Pevida, Esteban; Herrero Climent, Mariano; Manero Planella, José María; Gil, Javier (Multidisciplinary Digital Publishing Institute (MDPI), 2022-08-01)
      Article
      Open Access
      Covenantee:   Universidad Europea Miguel de Cervantes / Porto Dental Institute / Universitat Internacional de Catalunya
      The use of a PMMA composite with graphene is being commercialized for application as dental prostheses. The different proportions of fibers provide a wide range of colors that favors dental esthetics in prostheses. However, ...
    • Mechanical properties and in vitro biological response to porous titanium alloys for intervertebrae implants 

      Gil Mur, Francisco Javier; Punset Fuste, Miquel; Guillem Martí, Jordi; Molmeneu Trias, Meritxell; Calero, Jose Antonio (2014-11-01)
      Article
      Restricted access - publisher's policy
      The generation of titanium foams is a promising strategy for modifying the mechanical properties of intervertebral reinforcements. Thus, the aim of this study was to compare the in vitro biological response of Ti6Al4V ...
    • Mechanical properties and in vitro biological response to porous titanium alloys prepared for use in intervertebral implants 

      Caparrós Vázquez, Cristina Maria; Guillem Martí, Jordi; Molmeneu Trias, Meritxell; Punset Fuste, Miquel; Calero, J. A.; Gil Mur, Francisco Javier (2014-11-01)
      Article
      Restricted access - publisher's policy
      The generation of titanium foams is a promising strategy for modifying the mechanical properties of intervertebral reinforcements. Thus, the aim of this study was to compare the in vitro biological response of Ti6Al4V ...
    • Mechanical properties of CoCr dental-prosthesis restorations made by three manufacturing processes. Influence of the microstructure and topography 

      Padrós, Roberto; Punset Fuste, Miquel; Molmeneu Trias, Meritxell; Brizuela Velasco, Aritza; Herrero Climent, Mariano; Rupérez de Gracia, Elisa; Gil Mur, Francisco Javier (Multidisciplinary Digital Publishing Institute (MDPI), 2020-06-14)
      Article
      Open Access
      Covenantee:   Barcelona Dental Institute / Universidad de Oviedo / Universitat Internacional de Catalunya
      The aim of this study is to compare the mechanical properties of three different dental restorations’ manufacturing processes (CADCAM milling, casting and laser sintering) generated by only one laboratory scanner focusing ...
    • Mechanical propertiesand in vitro biological response toporoustitaniumalloysprepared for useinintervertebralimplants 

      Caparrós Vázquez, Cristina Maria; Guillem Martí, Jordi; Molmeneu Trias, Meritxell; Punset Fuste, Miquel; Gil Mur, Francisco Javier (2014-06-16)
      Article
      Restricted access - publisher's policy
      The generation of titanium foams is a promising strategy for modifying the mechanical properties of intervertebral reinforcements. Thus, the aim of this study was to compare the in vitro biological response of Ti6Al4V ...
    • Microstructural and tribological studies of as-sprayed and heat-treated HVOF Cr3C2-CoNiCrAlY coatings with a CoNiCrAlY bond coat 

      Picas Barrachina, Josep Anton; Punset Fuste, Miquel; Menargues Muñoz, Sergi; Martín Fuentes, Enrique; Baile Puig, Maria Teresa (2015-04-25)
      Article
      Open Access
      Die wear is an important problem for manufacturers in hot-working processes, e.g. metal die casting, hot extrusion and thixoextrusion of aluminium, magnesium or steel, as well as glass and plastics processing. The dies ...
    • Microstructure and surface damage in retrieved metal-on-metal hip arthroplasties 

      Fernández Fairén, Mariano; Punset Fuste, Miquel (2017-12-01)
      Article
      Restricted access - publisher's policy
      Covenantee:   Instituto de Cirugía Ortopédica y Traumatología / Universidad de Cádiz
      Background: Besides promising results of metal-on-metal (MOM) hip arthroplasty (HA), frequent failures have been reported even in the short term. Many host, surgical, design, metallurgical, and processing factors have been ...
    • On-growth and in-growth osseointegration enhancement in PM porous Ti-scaffolds by two different bioactivation strategies: alkali thermochemical treatment and RGD peptide coating 

      Steffaine Rappe, Katrin; Ortiz Hernández, Mónica; Punset Fuste, Miquel; Molmeneu Trias, Meritxell; Barba Serrahima, Albert; Mas Moruno, Carlos; Guillem Martí, Jordi; Caparrós, Cristina; Rupérez de Gracia, Elisa; Calero, José; Manzanares, Maria Cristina; Gil Mur, Javier; Franch, Jordi (2022-02-01)
      Article
      Open Access
      Covenantee:   Universitat Autònoma de Barcelona / Institut de Recerca Sant Joan de Déu / AMES / Universitat de Barcelona / Universitat Internacional de Catalunya
      A lack of primary stability and osteointegration in metallic implants may result in implant loosening and failure. Adding porosity to metallic implants reduces the stress shielding effect and improves implant performance, ...
    • Porous titanium-hydroxyapatite composite coating obtained on titanium by cold gas spray with high bond strength for biomedical applications 

      Guillem Martí, Jordi; Cinca i Luis, Núria; Punset Fuste, Miquel; Garcia Cano, Irene; Gil Mur, Francisco Javier; Guilemany Casadamon, Josep Maria; Dosta, Sergi (Elsevier, 2019-04-24)
      Article
      Open Access
      Covenantee:   Universitat de Barcelona. Departament de Ciència dels Materials i Química Física
      The lack of bioactivity of titanium (Ti) is one of the main drawbacks for its application in biomedical implants since it can considerable reduce its osseointegration capacities. One strategy to overcome this limitation ...
    • Powder metallurgy with space holder for porous titanium implants: A review 

      Rodríguez Contreras, Alejandra María; Punset Fuste, Miquel; Calero Martínez, José Antonio; Gil Mur, Francisco Javier; Rupérez de Gracia, Elisa; Manero Planella, José María (2021-06)
      Article
      Open Access
      One of the biggest challenges in the biocompatibility of implantable metals is the prevention of the stress shielding effect, which is related to the coupling of the bone-metal mechanical properties. This stress shielding ...
    • Relevant aspects of piranha passivation in Ti6Al4V alloy dental meshes 

      Gil Mur, Francisco Javier; Punset Fuste, Miquel; Manero Planella, José María; Verdeguer, Pablo; Rupérez de Gracia, Elisa (Multidisciplinary Digital Publishing Institute (MDPI), 2022-01-27)
      Article
      Open Access
      Covenantee:   Universitat Internacional de Catalunya / Universidade de Coimbra
      Passivation of titanium alloy dental meshes cleans their surface and forms a thin layer of protective oxide (TiO2) on the surface of the material to improve resistance to corrosion and prevent release of ions to the ...
    • Surface modification of HVOF thermal sprayed WC-CoCr coatings by laser treatment 

      Chikarakara, E.; Aqida, S.; Brabazon, D.; Naher, S.; Picas Barrachina, Josep Anton; Punset Fuste, Miquel; Forn Alonso, Antonio (Springer, 2010)
      Conference report
      Restricted access - publisher's policy
      In this work the affects of laser characteristics on microstructure and microhardness of high velocity oxygen fuel sprayed (HVOF) WC–CoCr coatings were investigated. The coating was deposited with a Sulzer Metco WokaJet™-400 ...
    • Two different strategies to enhance osseointegration in porous titanium: Inorganic thermo-chemical treatment versus organic coating by peptide adsorption 

      Ortiz Hernández, Mónica; Rappe, K.; Molmeneu Trias, Meritxell; Mas Moruno, Carlos; Guillem Martí, Jordi; Punset Fuste, Miquel; Caparrós, Cristina; Calero Martínez, José Antonio; Franch, Jordi; Fernández Fairén, Mariano; Gil, Javier (2018-08-30)
      Article
      Open Access
      In this study, highly-interconnected porous titanium implants were produced by powder sintering with different porous diameters and open interconnectivity. The actual foams were produced using high cost technologies: ...
    • Zirconia vs. titanium dental implants: primary stability in-vitro analysis 

      Arlucea, Nerea; Brizuela Velasco, Aritza; Diéguez Pereira, Markel; Punset Fuste, Miquel; Molmeneu Trias, Meritxell; Sánchez Lasheras, Fernando; De Llanos Lanchares, Hector; Álvarez Arenal, Ángel (Multidisciplinary Digital Publishing Institute (MDPI), 2021-12-20)
      Article
      Open Access
      Covenantee:   Universidad de Oviedo / Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA)
      The present experimental trial uses two types of dental implants, one made of titanium (Ti6Al4V) and the other one of zirconia (ZrO2), but both of identical design, to compare their stability and micro-movements values ...