Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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Materials Map under construction

The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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Matias De Souza, Júlio César

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Universidade Católica Portuguesa

in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (75/75 displayed)

  • 2024Fitting of different intraradicular composite posts to oval tooth root canalscitations
  • 2024The impact of inorganic fillers, organic content, and polymerization mode on the degree of conversion of monomers in resin-matrix cements for restorative dentistry: a scoping review7citations
  • 2024Light transmittance through resin-matrix composite onlays adhered to resin-matrix cements or flowable composites2citations
  • 2024Laser-texturing and traditional surface modification to improve the adhesion of glass fiber-reinforced composite posts to resin cements6citations
  • 2023A scoping review on the polymerization of resin-matrix cements used in restorative dentistry17citations
  • 2023Morphological aspects and distribution of granules composed of deproteinized bovine bone or human dentin into a putty mixture5citations
  • 2023Effect of inorganic fillers on the light transmission through traditional or flowable resin-matrix composites for restorative dentistry13citations
  • 2023Microscopic inspection of the adhesive interface of composite onlays after cementation on low loading2citations
  • 2023Intraradicular Diameter, Remnant Dentin Thickness, and Endodontic Post to Dentin Distance: CBCT and Microscopic Analyses1citations
  • 2023Stresses, friction, and wear on different materials and design for temporomandibular joint total joint replacement (TMJ TJR)10citations
  • 2023Surface modification of zirconia or lithium disilicate-reinforced glass ceramic by laser texturing to increase the adhesion of prosthetic surfaces to resin cements18citations
  • 2022The influence of inorganic fillers on the light transmission through resin-matrix composites during the light-curing procedure32citations
  • 2022Biomechanical analyses of one-piece dental implants composed of titanium, zirconia, PEEK, CFR-PEEK, or GFR-PEEK30citations
  • 2022Surface modification of glass fiber-reinforced composite posts to enhance their bond strength to resin-matrix cements27citations
  • 2021Cytotoxic effects of submicron- and nano-scale titanium debris released from dental implants63citations
  • 2021Degradation of tooth occlusal fissure and pit sealants by wear and corrosion pathways4citations
  • 2021In-vitro mechanical and biological evaluation of novel zirconia reinforced bioglass scaffolds for bone repair27citations
  • 2021Antibiofilm effects of titanium surfaces modified by laser texturing and hot-pressing sintering with silver6citations
  • 2021The effect of different dietary and therapeutic solutions on the color stability of resin-matrix composites used in dentistry19citations
  • 2021Carbon fiber-reinforced PEEK in implant dentistry28citations
  • 2021The influence of zirconia veneer thickness on the degree of conversion of resin-matrix cements39citations
  • 2021Bioactive-enhanced polyetheretherketone dental implant materials19citations
  • 2021Wear pathways of tooth occlusal fissure sealants9citations
  • 2021Damage of dental amalgam and resin-matrix composite surfaces after exposure to bleaching agents2citations
  • 2021Comparison of CAD-CAM and traditional chairside processing of 4-unit interim prostheses with and without cantilevers14citations
  • 2021An integrative review on the toxicity of Bisphenol A (BPA) released from resin composites used in dentistry49citations
  • 2021On the synergistic effect of sulfonic functionalization and acidic adhesive conditioning to enhance the adhesion of PEEK to resin-matrix composites32citations
  • 2020Enhancing the bone healing on electrical stimuli through the dental implant8citations
  • 2020Adhesion of PEEK to resin-matrix composites used in dentistry22citations
  • 2020PEEK-matrix composites containing different content of natural silica fibers or particulate lithium‑zirconium silicate glass fillers16citations
  • 2020Bond strength of metallic or ceramic orthodontic brackets to enamel, acrylic, or porcelain surfaces29citations
  • 2020Micro-scale abrasion and sliding wear of zirconium-lithium silicate glass-ceramic and polymer-infiltrated ceramic network used in dentistry18citations
  • 2020Wear behavior of dental glass-ceramics12citations
  • 2019Surface damage of dental implant systems and ions release after exposure to fluoride and hydrogen peroxide37citations
  • 2019Physicochemical and in-vitro biological analysis of bio-functionalized titanium samples in a protein-rich medium14citations
  • 2019Shear bond strength of PEEK and PEEK-30GF cemented to zirconia or titanium substrates9citations
  • 2019Zirconia surface modifications for implant dentistry250citations
  • 2019Micro-scale abrasion wear of novel biomedical PEEK-matrix composites for restorative dentistry8citations
  • 2019Sliding behavior of zirconia porous implant surfaces against bone9citations
  • 2019Y-TZP/porcelain graded dental restorations design for improved damping behavior – A study on damping capacity and dynamic Young's modulus7citations
  • 2019Damping and mechanical behavior of metal-ceramic composites applied to novel dental restorative systems14citations
  • 2019Nano-scale modification of titanium implant surfaces to enhance osseointegration448citations
  • 2019Hard and soft tissue cell behavior on PEEK, Zirconia, and Titanium implant materials38citations
  • 2019On the sulphonated PEEK for implant dentistry31citations
  • 2019On the increase of the chemical reactivity of cp titanium and Ti6Al4V at low electrical current in a protein-rich medium3citations
  • 2018Physicochemical and microscopic characterization of implant-abutment joints19citations
  • 2018On the mechanical properties of monolithic and laminated nano-ceramic resin structures obtained by laser printing17citations
  • 2018Mechanical integrity of cement- and screw-retained zirconium-lithium silicate glass-ceramic crowns to Morse taper implants13citations
  • 2018Influence of specimens’ geometry and materials on the thermal stresses in dental restorative materials during thermal cycling16citations
  • 2018Wear behaviour of tetragonal zirconia polycrystal with a porous surface11citations
  • 2018Lithium-zirconium silicate glass-ceramics for restorative dentistry16citations
  • 2018Bioactivity of novel functionally structured titanium-ceramic composites in contact with human osteoblasts22citations
  • 2018Influence of laser structuring of PEEK, PEEK-GF30 and PEEK-CF30 surfaces on the shear bond strength to a resin cement44citations
  • 2018A novel gradated zirconia implant material embedding bioactive ceramics18citations
  • 2017Synergistic interactions between corrosion and wear at titanium-based dental implant connections137citations
  • 2017Physicochemical and biological assessment of PEEK composites embedding natural amorphous silica fibers for biomedical applications59citations
  • 2017On the synthesis and characterization of β-tricalcium phosphate scaffolds coated with collagen or poly (D, L-lactic acid) for alveolar bone augmentation21citations
  • 2017Damage on tooth enamel after removal of orthodontic adhesive by Arkansas' stone and tungsten carbide burscitations
  • 2017New perspectives for recycling dental zirconia waste resulting from CAD/CAM manufacturing process45citations
  • 2016Comparison between PEEK and Ti6Al4V concerning micro-scale abrasion wear on dental applications49citations
  • 2016Tribocorrosion behavior of veneering biomedical PEEK to Ti6Al4V structures66citations
  • 2016Biofilm formation on different materials used in oral rehabilitation53citations
  • 2016Effect of Zirconia and alumina fillers on the microstructure and mechanical strength of dental glass Ionomer cements27citations
  • 2016Chemical, microscopic, and microbiological analysis of a functionalized poly-ether-ether-ketone-embedding antibiofilm compounds30citations
  • 2015Tribocorrosion Behavior of Ti6Al4V Coated with a Bio-absorbable Polymer for Biomedical Applications30citations
  • 2015Wear and Corrosion Interactions on Titanium in Oral Environment: Literature Review145citations
  • 2015Mechanical Strength and Wear of Dental Glass-Ionomer and Resin Composites Affected by Porosity and Chemical Composition46citations
  • 2015Finite element analysis of the residual thermal stresses on functionally gradated dental restorations24citations
  • 2014Mechanical and chemical analyses across dental porcelain fused to CP titanium or Ti6Al4V17citations
  • 2014Mechanical and thermal properties of hot pressed CoCrMo-porcelain composites developed for prosthetic dentistry23citations
  • 2013Detorque evaluation of dental abutment screws after immersion in a fluoridated artificial saliva solution25citations
  • 2013Corrosion behaviour of titanium in the presence of Streptococcus mutans144citations
  • 2013Influence of the processing route of porcelain/Ti-6Al-4V interfaces on shear bond strength19citations
  • 2010Do oral biofilms influence the wear and corrosion behavior of titanium?135citations
  • 2007Efeito da condensação e queima na formação de defeitos microestruturais em cerâmicas feldspáticas dentárias8citations

Places of action

Chart of shared publication
Carvalho, Óscar
5 / 10 shared
Fernandes, Valter
4 / 5 shared
Özcan, Mutlu
17 / 75 shared
Silva, Filipe
15 / 19 shared
Fidalgo-Pereira, Rita
7 / 12 shared
Edwards, Jane
1 / 1 shared
Santos, Marcionilia
1 / 1 shared
Henriques, Bruno
49 / 64 shared
Torres, Orlanda
8 / 13 shared
Carvalho, Oscar
13 / 17 shared
Catarino, Susana O.
3 / 3 shared
Braem, Annabel
2 / 35 shared
Veiga, Nélio
1 / 2 shared
Silva, Filipe S.
27 / 36 shared
Pimentel, Inês
1 / 1 shared
Teughels, Wim
7 / 18 shared
Magalhães, Tiago
1 / 3 shared
Soares, Catarina
1 / 1 shared
Pinto-Borges, Henrique
1 / 1 shared
Pinto, João
1 / 2 shared
Ramos, Antonio
1 / 6 shared
Gomes, José
1 / 1 shared
Raffaele-Esposito, Angelo
1 / 1 shared
Carpio, Daniela
1 / 2 shared
Fabris, Douglas
4 / 6 shared
Moura, José P. A.
1 / 1 shared
Fredel, Márcio C.
10 / 15 shared
Miller, Paulo
1 / 1 shared
Correia, Ana
1 / 1 shared
Messous, Redouane
1 / 1 shared
Bousbaa, Hassan
1 / 1 shared
Faria, Margarida
3 / 4 shared
Rompante, Paulo
3 / 4 shared
Fredel, M. C.
5 / 15 shared
Galárraga-Vinueza, M. E.
1 / 1 shared
Souza, J. C. M.
2 / 10 shared
Boccaccini, Aldo R.
1 / 77 shared
Mesquita-Guimarães, Joana
3 / 3 shared
Galárraga-Vinueza, María E.
2 / 2 shared
Boccaccini, A. R.
1 / 193 shared
Henriques, B.
9 / 14 shared
Silva, F. S.
10 / 28 shared
Gouveia, P. F.
1 / 1 shared
Detsch, Rainer
1 / 191 shared
Gouveia, Paula F.
1 / 1 shared
Mesquita-Guimarães, J.
5 / 9 shared
Gonçalves, Inês M. R.
1 / 2 shared
Herrero, Esteban R.
1 / 2 shared
Pinho, Teresa
1 / 1 shared
Sá, Ana Góis
1 / 1 shared
Garcez, Joana
1 / 1 shared
Lopes-Rocha, Lígia
2 / 2 shared
Mendes, José Manuel
1 / 3 shared
Pinho, Sofia S.
1 / 1 shared
Braz, Maria Pranto
1 / 1 shared
Tafur-Zelada, Christie M.
1 / 1 shared
Peñarrieta-Juanito, Gabriella M.
4 / 4 shared
Cruz, Mariana Brito Da
2 / 2 shared
Miranda, Georgina
4 / 9 shared
Marques, Joana Faria
2 / 2 shared
Silva, Filipe Samuel
2 / 70 shared
Caramês, Joaõ Manuel Mendez
1 / 1 shared
Mata, António Duarte Sola Pereira Da
2 / 2 shared
Magini, Ricardo S.
7 / 9 shared
Costa, Mafalda
4 / 5 shared
Guedes, Andreia
1 / 2 shared
Ferreira, Inês C.
1 / 1 shared
Esteves, José L.
1 / 1 shared
Pinto, António Correia
1 / 1 shared
Coelho, Carolina
1 / 1 shared
Calamote, Catarina
1 / 2 shared
Ramos, António
1 / 4 shared
Escuin, Tomás
1 / 1 shared
Tiritan, Maria Elizabeth
1 / 3 shared
Ribeiro-Gonçalves, Lara
1 / 1 shared
Escobar, Mario
2 / 2 shared
Barra, Guilherme M. O.
1 / 9 shared
Benfatti, Cesar A. M.
5 / 6 shared
Bins-Ely, Letícia
2 / 2 shared
Suzuki, Daniela
1 / 1 shared
Magini, Ricardo
5 / 5 shared
Gomes, José R.
5 / 8 shared
Correia, Marta S. T.
2 / 2 shared
Oliveira, Miguel Noronha
1 / 1 shared
Oliveira, Antonio P. Novaes De
7 / 7 shared
Ferreira, Afonso Pinhão
2 / 2 shared
Pinho, Mónica
1 / 1 shared
Manso, Maria C.
1 / 1 shared
Almeida, Ricardo Faria
1 / 1 shared
Martin, Conchita
1 / 1 shared
Silva, Cristina S.
2 / 3 shared
Caramês, João
3 / 6 shared
Dotto, Marta E. R.
1 / 2 shared
Peñarrieta-Juanito, Gabriella
2 / 3 shared
Sordi, Mariane B.
4 / 5 shared
Rao, Shradha
1 / 1 shared
Takoudis, Christos
1 / 1 shared
Mathew, Mathew T.
2 / 5 shared
Villanueva, Jose
1 / 1 shared
Astaneh, Sarah Hashemi
1 / 1 shared
Bijukumar, Divya
1 / 1 shared
Fredel, Márcio
3 / 4 shared
Tuyama, Eduardo
1 / 1 shared
Zhang, Yu
1 / 39 shared
Schünemann, Fernanda H.
1 / 1 shared
Pinto, P.
2 / 4 shared
Roedel, S.
2 / 2 shared
Dantas, T. A.
2 / 4 shared
Soares, D.
2 / 20 shared
Ribeiro, P.
1 / 2 shared
Fredel, M.
1 / 2 shared
Madeira, S.
2 / 9 shared
Gasik, M.
3 / 17 shared
Aparicio, Conrado
1 / 42 shared
Kanazawa, Miya
1 / 1 shared
Ravindran, Sriram
1 / 1 shared
Cooper, Lyndon F.
1 / 1 shared
Caramês, João Manuel Mendez
1 / 1 shared
Monich, Patricia R.
1 / 3 shared
Brum, Renata S.
1 / 2 shared
Porto, Luismar M.
2 / 4 shared
Berti, Fernanda
1 / 2 shared
Porto, Luismar
1 / 1 shared
Cesca, Karina
1 / 1 shared
Souza, Fernando S.
1 / 1 shared
Spinelli, Almir
1 / 2 shared
Vahey, Brendan R.
2 / 2 shared
Nascimento, Rubens M.
4 / 5 shared
Lopes, Patricia A.
1 / 1 shared
Carreiro, Adriana F. P.
1 / 1 shared
Carvalho, O.
1 / 16 shared
Fabris, D.
1 / 1 shared
Stanley, Kyle
1 / 1 shared
Gasik, Michael
1 / 46 shared
Flores, P.
1 / 8 shared
Souza, Marcelo T.
1 / 1 shared
Marques, Joana
2 / 4 shared
Mata, Antonio
1 / 1 shared
Cruz, Mariana
2 / 2 shared
Sousa, Anne C.
1 / 1 shared
Hammes, Nathalia
1 / 3 shared
Mata, António
1 / 1 shared
Teughels, W.
2 / 6 shared
Apaza-Bedoya, K.
1 / 3 shared
Tarce, M.
1 / 2 shared
Mathew, M. T.
1 / 15 shared
Benfatti, C. A. M.
1 / 3 shared
Monich, Patrícia R.
1 / 2 shared
Berti, Fernanda V.
1 / 2 shared
Deschamps, Isadora S.
1 / 1 shared
Magrin, Gabriel L.
1 / 1 shared
Mesquita, Pedro
1 / 3 shared
Pinto, Gustavo F. V.
1 / 1 shared
Pinho, Mónica Morado
1 / 1 shared
Labrincha, João A.
1 / 220 shared
Schabbach, L. M.
1 / 2 shared
Labrincha, J. A.
1 / 19 shared
Gouveia, P. Faust
1 / 1 shared
Sampaio, M.
1 / 2 shared
Buciumeanu, M.
1 / 4 shared
Gomes, J. R.
1 / 39 shared
Buciumeanu, Mihaela
3 / 13 shared
Sampaio, Miguel
1 / 2 shared
Mota, Raquel R. C.
1 / 1 shared
Passoni, Bernardo B.
1 / 1 shared
Silva, Joel B.
1 / 1 shared
Aladim, Andrea
1 / 1 shared
Martinelli, Antonio E.
3 / 4 shared
Pimenta, Andréa L.
1 / 1 shared
Montero, Juan F. D.
1 / 1 shared
Barbosa, Luiz C. A.
1 / 1 shared
Pereira, Ulisses A.
1 / 1 shared
Barra, Guilherme M.
1 / 1 shared
Morsch, Carolina S.
1 / 2 shared
Tajiri, Henrique A.
1 / 2 shared
Rocha, Luis A.
1 / 5 shared
Celis, Jean-Pierre
1 / 59 shared
Henriques, Mariana
2 / 34 shared
Ponthiaux, Pierre
2 / 25 shared
Rodrigues, Daniela
1 / 1 shared
Nascimento, Ricardo
1 / 1 shared
Miranda, G.
1 / 24 shared
Rocha, Luís A.
3 / 11 shared
Celis, Jean Pierre
2 / 4 shared
Ariza, Edith
2 / 4 shared
Nascimento, R. M.
1 / 7 shared
Duarte, Antônio R. C.
1 / 1 shared
Neto, João P. Silva
1 / 1 shared
Bonachela, Wellington C.
1 / 1 shared
Oliveira, Rosário
1 / 9 shared
Coelho, Rui
1 / 2 shared
Toptan, Fatih
1 / 31 shared
Alves, Alexandra C.
1 / 5 shared
Celis, J-P
1 / 2 shared
Henriques, M.
1 / 23 shared
Rocha, L. A.
1 / 70 shared
Oliveira, Rui S.
1 / 1 shared
Nascimento, R. M. Do
1 / 1 shared
Martinelli, A. E.
1 / 7 shared
Chart of publication period
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2010
2007

Co-Authors (by relevance)

  • Carvalho, Óscar
  • Fernandes, Valter
  • Özcan, Mutlu
  • Silva, Filipe
  • Fidalgo-Pereira, Rita
  • Edwards, Jane
  • Santos, Marcionilia
  • Henriques, Bruno
  • Torres, Orlanda
  • Carvalho, Oscar
  • Catarino, Susana O.
  • Braem, Annabel
  • Veiga, Nélio
  • Silva, Filipe S.
  • Pimentel, Inês
  • Teughels, Wim
  • Magalhães, Tiago
  • Soares, Catarina
  • Pinto-Borges, Henrique
  • Pinto, João
  • Ramos, Antonio
  • Gomes, José
  • Raffaele-Esposito, Angelo
  • Carpio, Daniela
  • Fabris, Douglas
  • Moura, José P. A.
  • Fredel, Márcio C.
  • Miller, Paulo
  • Correia, Ana
  • Messous, Redouane
  • Bousbaa, Hassan
  • Faria, Margarida
  • Rompante, Paulo
  • Fredel, M. C.
  • Galárraga-Vinueza, M. E.
  • Souza, J. C. M.
  • Boccaccini, Aldo R.
  • Mesquita-Guimarães, Joana
  • Galárraga-Vinueza, María E.
  • Boccaccini, A. R.
  • Henriques, B.
  • Silva, F. S.
  • Gouveia, P. F.
  • Detsch, Rainer
  • Gouveia, Paula F.
  • Mesquita-Guimarães, J.
  • Gonçalves, Inês M. R.
  • Herrero, Esteban R.
  • Pinho, Teresa
  • Sá, Ana Góis
  • Garcez, Joana
  • Lopes-Rocha, Lígia
  • Mendes, José Manuel
  • Pinho, Sofia S.
  • Braz, Maria Pranto
  • Tafur-Zelada, Christie M.
  • Peñarrieta-Juanito, Gabriella M.
  • Cruz, Mariana Brito Da
  • Miranda, Georgina
  • Marques, Joana Faria
  • Silva, Filipe Samuel
  • Caramês, Joaõ Manuel Mendez
  • Mata, António Duarte Sola Pereira Da
  • Magini, Ricardo S.
  • Costa, Mafalda
  • Guedes, Andreia
  • Ferreira, Inês C.
  • Esteves, José L.
  • Pinto, António Correia
  • Coelho, Carolina
  • Calamote, Catarina
  • Ramos, António
  • Escuin, Tomás
  • Tiritan, Maria Elizabeth
  • Ribeiro-Gonçalves, Lara
  • Escobar, Mario
  • Barra, Guilherme M. O.
  • Benfatti, Cesar A. M.
  • Bins-Ely, Letícia
  • Suzuki, Daniela
  • Magini, Ricardo
  • Gomes, José R.
  • Correia, Marta S. T.
  • Oliveira, Miguel Noronha
  • Oliveira, Antonio P. Novaes De
  • Ferreira, Afonso Pinhão
  • Pinho, Mónica
  • Manso, Maria C.
  • Almeida, Ricardo Faria
  • Martin, Conchita
  • Silva, Cristina S.
  • Caramês, João
  • Dotto, Marta E. R.
  • Peñarrieta-Juanito, Gabriella
  • Sordi, Mariane B.
  • Rao, Shradha
  • Takoudis, Christos
  • Mathew, Mathew T.
  • Villanueva, Jose
  • Astaneh, Sarah Hashemi
  • Bijukumar, Divya
  • Fredel, Márcio
  • Tuyama, Eduardo
  • Zhang, Yu
  • Schünemann, Fernanda H.
  • Pinto, P.
  • Roedel, S.
  • Dantas, T. A.
  • Soares, D.
  • Ribeiro, P.
  • Fredel, M.
  • Madeira, S.
  • Gasik, M.
  • Aparicio, Conrado
  • Kanazawa, Miya
  • Ravindran, Sriram
  • Cooper, Lyndon F.
  • Caramês, João Manuel Mendez
  • Monich, Patricia R.
  • Brum, Renata S.
  • Porto, Luismar M.
  • Berti, Fernanda
  • Porto, Luismar
  • Cesca, Karina
  • Souza, Fernando S.
  • Spinelli, Almir
  • Vahey, Brendan R.
  • Nascimento, Rubens M.
  • Lopes, Patricia A.
  • Carreiro, Adriana F. P.
  • Carvalho, O.
  • Fabris, D.
  • Stanley, Kyle
  • Gasik, Michael
  • Flores, P.
  • Souza, Marcelo T.
  • Marques, Joana
  • Mata, Antonio
  • Cruz, Mariana
  • Sousa, Anne C.
  • Hammes, Nathalia
  • Mata, António
  • Teughels, W.
  • Apaza-Bedoya, K.
  • Tarce, M.
  • Mathew, M. T.
  • Benfatti, C. A. M.
  • Monich, Patrícia R.
  • Berti, Fernanda V.
  • Deschamps, Isadora S.
  • Magrin, Gabriel L.
  • Mesquita, Pedro
  • Pinto, Gustavo F. V.
  • Pinho, Mónica Morado
  • Labrincha, João A.
  • Schabbach, L. M.
  • Labrincha, J. A.
  • Gouveia, P. Faust
  • Sampaio, M.
  • Buciumeanu, M.
  • Gomes, J. R.
  • Buciumeanu, Mihaela
  • Sampaio, Miguel
  • Mota, Raquel R. C.
  • Passoni, Bernardo B.
  • Silva, Joel B.
  • Aladim, Andrea
  • Martinelli, Antonio E.
  • Pimenta, Andréa L.
  • Montero, Juan F. D.
  • Barbosa, Luiz C. A.
  • Pereira, Ulisses A.
  • Barra, Guilherme M.
  • Morsch, Carolina S.
  • Tajiri, Henrique A.
  • Rocha, Luis A.
  • Celis, Jean-Pierre
  • Henriques, Mariana
  • Ponthiaux, Pierre
  • Rodrigues, Daniela
  • Nascimento, Ricardo
  • Miranda, G.
  • Rocha, Luís A.
  • Celis, Jean Pierre
  • Ariza, Edith
  • Nascimento, R. M.
  • Duarte, Antônio R. C.
  • Neto, João P. Silva
  • Bonachela, Wellington C.
  • Oliveira, Rosário
  • Coelho, Rui
  • Toptan, Fatih
  • Alves, Alexandra C.
  • Celis, J-P
  • Henriques, M.
  • Rocha, L. A.
  • Oliveira, Rui S.
  • Nascimento, R. M. Do
  • Martinelli, A. E.
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article

Stresses, friction, and wear on different materials and design for temporomandibular joint total joint replacement (TMJ TJR)

  • Pinto-Borges, Henrique
  • Henriques, Bruno
  • Pinto, João
  • Matias De Souza, Júlio César
  • Carvalho, Oscar
  • Ramos, Antonio
  • Silva, Filipe
  • Gomes, José
Abstract

<p>The purpose of the present study was to evaluate the coefficient of friction, wear volume, surface damage, and contacting stresses regarding different materials and condyle design for alloplastic temporomandibular joint total joint replacement (TMJ TJR). Spherical- and anatomical-shape condyle specimens were prepared from CoCrMo or Ti6Al4V alloys which were assessed against ultra-highly molecular weight polyethylene (UHMWPE) square specimens. On the wear assessment, reciprocating sliding pin-on-plate wear tests were performed considering usual TMJ TJR motion on 30 N normal loading, 1 Hz sliding frequency, and 4-mm linear stroke length for 60 min. Wear tests were performed in Ringer's solution at 37<sup>o</sup> C to mimic the surrounding environment. The coefficient of friction and wear volume were recorded for the two condyle design and materials’ pairs. The von Mises stresses and displacement were calculated using a 3D finite element model (FEM) simulation built on tetrahedral linear elements, performed relatively to the condyle-to-UHMWPE central axis. On anatomical TMJ TJR condyle, von Mises stresses were lower when compared to standard TMJ TJR condyle. Wear tests showed a low wear volume of UHMWPE against Ti6Al4V although the volume loss recorded for UHMWPE was lower on the anatomical-shape condyle than that for the spherical design. Scanning electron microscopy revealed plastic deformation on the UHMWPE resulting in ploughing and materials’ degradation after wear testing. Thus, an anatomical TMJ TJR condyle design revealed lower stress distribution and wear volume when compared to a standard TMJ TJR condyle that could improve the long-term mechanical integrity of TMJ TJR over cyclic loading.</p>

Topics
  • surface
  • polymer
  • scanning electron microscopy
  • simulation
  • wear test
  • molecular weight
  • coefficient of friction