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2017 | Vol. 86, nr 1 | 24--31
Tytuł artykułu

Systematic study of Ethylene-Vinyl Acetate (EVA) in the manufacturing of protector devices for the orofacial system

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Purpose: This study aims to provide a systematic evaluation of the EVA application in orofacial protectors while focusing on sports. Design/methodology/approach: The research comprises a numerical analysis. During experimental tests, EVA was analysed in special more specific studies about its influence on the mechanical behaviour of EVA were performed. In the numerical analyses of the EVA orofacial protector, the studies focused on its effect in the zygomatic bone protection, in a simplified geometry. Findings: According to the experimental and numerical results from a systematic study of EVA, its application to orofacial protection can be considered satisfactory. Research limitations/implications: The limitations for this research is the complex geometry of the face, number of materials and parameters involved in this study. Practical implications: For facial protection, a better performance is obtained with a combination of rigid and soft EVA material. Particularly for the zygomatic bone, a 3 mm thick plate of soft EVA overlapped by a 1 mm thick plate of rigid EVA is indicated. Originality/value: The studies made for this researchers group show that the EVA use in facial protection for sports is effective.
Wydawca

Rocznik
Strony
24--31
Opis fizyczny
Bibliogr. 33 poz.
Twórcy
autor
  • School of Dentistry of University of São Paulo, University of São Paulo, São Paulo, Brazil, rbdias@usp.br
autor
  • School of Dentistry of University of São Paulo, University of São Paulo, São Paulo, Brazil, npcoto@usp.br
  • Department of Mechatronics and Mechanical Systems Engineering, Polytechnic School of Engineering of University of São Paulo, University of São Paulo, São Paulo, Brazil
  • Department of Mechatronics and Mechanical Systems Engineering, Polytechnic School of Engineering of University of São Paulo, University of São Paulo, São Paulo, Brazil
Bibliografia
  • [1] WHO – World Health Organization available in: http://www.direitoshumanos.usp.br/index.php/OMSOrganização-Mundial-da-Saúde/constituicao-daorganizacao-mundial-da-saude-omswho.html, Access in: 10/06/2014.
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  • [4] N.P. Coto, R.B. Dias, R.A. Costa, T.F. Antoniazzi, E.P. Carvalho, Mechanical behavior of ethylene vinyl acetate copolymer (EVA) used for fabrication of mouth guards & interocclusal splints, Brazilian Dental Journal 18/4 (2007) 324-328.
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  • [6] N.P. Coto, J.B.C. Meira, R.B. Dias, L. Driemeier, G.O. Roveri, P.Y. Noritomi, Assessment of nose protector for sport activities: finite element analysis, Dental Traumatology 28/2 (2012) 108-113.
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  • [17] P. Cascone, B. Petrucci, V. Ramieri, T.M. Marianetti, Security Hi-tech Individual Extra-Light Device Mask: a new protection for [soccer] players, Journal of Craniofacial Surgery 19/3 (2008) 772-776.
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  • [21] R.M. Lotti, A.W. Machado, E.T. Mazzieiro, J. Landre Jr., Aplicabilidade cientifica do método dos elementos finitos, Revista Dental Press Ortodontia e Ortopedia Facial 11/2 (2006) 35-43.
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  • [24] R. Verdejo, N.J. Mills, Heel-shoe interactions and the durability of EVA foam running-shoe midsoles, Journal of Biomechanics 37/9 (2004) 1379-1386.
  • [25] J.M. Gerard, J. Ohayon, V. Luboz, P. Perrier, Y. Payan, Non-linear elastic properties of the lingual and facial tissues assessed by indentation technique. Application to the biomechanics of speech production, Medical Engineering and Physics 27/10 (2005) 884- 892.
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  • [27] N.P. Coto, L. Driemeier, G.O. Roveri, J.B.C. Meira, R.B. Dias, P.Y. Noritomi, Numerical study of the face bone behaviour when impacted by rigid ball, Journal of Biomechanics 45 (2012) 1121.
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  • [29] P. Verschueren, H. Delye, B. Depreitere, C. van Lierde, B. Haex, D. Berckmans, A new test set-up for skull fracture characterization, Journal of Biomechanics 40/15 (2007) 3389-3396.
  • [30] I.O. Gialain, R.B. Dias, N.P. Coto, Mouthguard: a new technique for the partially edentulous patient, Dental Traumatology 30/5 (2014) 411-414.
  • [31] R. Bartlett, C. Gratton, C.G. Rolf (Eds), Encyclopedia of International Sports Studies, Abington, Routtledge, 1987.
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  • [33] N.B. del Neri, A.C. Araujo-Pires, J.C. Andreo, I.R. Rubira-Bullen, O. Ferreira Jr., Zygomaticofacial foramen location accuracy and reliability in conebeam computed tomography, Acta Odontologica Scandinavica 72/2 (2014) 157-160.
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.baztech-8e3a9e1d-712a-4c92-b17d-3da10bbe98e8
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