Validation of an experimental polyurethane model for biomechanical studies on implant-supported prosthesis – compression tests
Identifieur interne : 001C41 ( Main/Exploration ); précédent : 001C40; suivant : 001C42Validation of an experimental polyurethane model for biomechanical studies on implant-supported prosthesis – compression tests
Auteurs : Rafael Tobias Moretti Neto [Brésil] ; Daniel Afonso Hiramatsu [Brésil] ; Valdey Suedam [Brésil] ; Paulo César Rodrigues Conti [Brésil] ; José Henrique Rubo [Brésil]Source :
- Journal of Applied Oral Science [ 1678-7757 ] ; 2011.
Abstract
The complexity and heterogeneity of human bone, as well as ethical issues, most
always hinder the performance of clinical trials. Thus,
In this study, fast-curing polyurethane (F16 polyurethane, Axson) was used to build 40 specimens that were divided into five groups. The following reagent ratios (part A/part B) were used: Group A (0.5/1.0), Group B (0.8/1.0), Group C (1.0/1.0), Group D (1.2/1.0), and Group E (1.5/1.0). A universal testing machine (Kratos model K – 2000 MP) was used to measure modulus of elasticity values by compression.
Mean modulus of elasticity values were: Group A – 389.72 MPa, Group B – 529.19 MPa, Group C – 571.11 MPa, Group D – 470.35 MPa, Group E – 437.36 MPa.
The best mechanical characteristics and modulus of elasticity value comparable to that of human trabecular bone were obtained when A/B ratio was 1:1.
Url:
DOI: 10.1590/S1678-77572011000100010
PubMed: 21437469
PubMed Central: 4245863
Affiliations:
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studies on implant-supported prosthesis – compression tests</title><author><name sortKey="Moretti Neto, Rafael Tobias" sort="Moretti Neto, Rafael Tobias" uniqKey="Moretti Neto R" first="Rafael Tobias" last="Moretti Neto">Rafael Tobias Moretti Neto</name><affiliation wicri:level="2"><nlm:aff id="aff01"> DDs, MSc, PhD, Department of Clinics and Surgery, Dental School, Federal University of Alfenas, Alfenas, MG, Brazil.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Brésil</country><wicri:regionArea> DDs, MSc, PhD, Department of Clinics and Surgery, Dental School, Federal University of Alfenas, Alfenas, MG</wicri:regionArea><placeName><region type="state">Minas Gerais</region></placeName></affiliation></author><author><name sortKey="Hiramatsu, Daniel Afonso" sort="Hiramatsu, Daniel Afonso" uniqKey="Hiramatsu D" first="Daniel Afonso" last="Hiramatsu">Daniel Afonso Hiramatsu</name><affiliation wicri:level="2"><nlm:aff id="aff02"> DDs, MSc, Private Practice, Santos, SP, Brazil.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Brésil</country><wicri:regionArea> DDs, MSc, Private Practice, Santos, SP</wicri:regionArea><placeName><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Suedam, Valdey" sort="Suedam, Valdey" uniqKey="Suedam V" first="Valdey" last="Suedam">Valdey Suedam</name><affiliation wicri:level="2"><nlm:aff id="aff03"> DDs, MSc, PhD, Private Practice, Bauru, SP, Brazil.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Brésil</country><wicri:regionArea> DDs, MSc, PhD, Private Practice, Bauru, SP</wicri:regionArea><placeName><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Conti, Paulo Cesar Rodrigues" sort="Conti, Paulo Cesar Rodrigues" uniqKey="Conti P" first="Paulo César Rodrigues" last="Conti">Paulo César Rodrigues Conti</name><affiliation wicri:level="4"><nlm:aff id="aff04"> DDs, MSc, PhD, Associate Professor, Department of Prosthodontics, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Brésil</country><wicri:regionArea> DDs, MSc, PhD, Associate Professor, Department of Prosthodontics, Bauru School of Dentistry, University of São Paulo, Bauru, SP</wicri:regionArea><placeName><region type="state">État de São Paulo</region><settlement type="city">São Paulo</settlement></placeName><orgName type="university">Université de São Paulo</orgName></affiliation></author><author><name sortKey="Rubo, Jose Henrique" sort="Rubo, Jose Henrique" uniqKey="Rubo J" first="José Henrique" last="Rubo">José Henrique Rubo</name><affiliation wicri:level="4"><nlm:aff id="aff04"> DDs, MSc, PhD, Associate Professor, Department of Prosthodontics, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Brésil</country><wicri:regionArea> DDs, MSc, PhD, Associate Professor, Department of Prosthodontics, Bauru School of Dentistry, University of São Paulo, Bauru, SP</wicri:regionArea><placeName><region type="state">État de São Paulo</region><settlement type="city">São Paulo</settlement></placeName><orgName type="university">Université de São Paulo</orgName></affiliation></author></analytic><series><title level="j">Journal of Applied Oral Science</title><idno type="ISSN">1678-7757</idno><idno type="eISSN">1678-7765</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Objectives</title><p>The complexity and heterogeneity of human bone, as well as ethical issues, most
always hinder the performance of clinical trials. Thus, <italic>in vitro</italic>studies become an important source of information for the understanding of
biomechanical events on implantsupported prostheses, although study results cannot
be considered reliable unless validation studies are conducted. The purpose of
this work was to validate an artificial experimental model based on its modulus of
elasticity, to simulate the performance of human bone <italic>in vivo</italic> in
biomechanical studies of implant-supported prostheses.</p></sec><sec><title>Material and Methods</title><p>In this study, fast-curing polyurethane (F16 polyurethane, Axson) was used to
build 40 specimens that were divided into five groups. The following reagent
ratios (part A/part B) were used: Group A (0.5/1.0), Group B (0.8/1.0), Group C
(1.0/1.0), Group D (1.2/1.0), and Group E (1.5/1.0). A universal testing machine
(Kratos model K – 2000 MP) was used to measure modulus of elasticity values by
compression.</p></sec><sec><title>Results</title><p>Mean modulus of elasticity values were: Group A – 389.72 MPa, Group B – 529.19
MPa, Group C – 571.11 MPa, Group D – 470.35 MPa, Group E – 437.36 MPa.</p></sec><sec><title>Conclusion</title><p>The best mechanical characteristics and modulus of elasticity value comparable to
that of human trabecular bone were obtained when A/B ratio was 1:1.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Cook, Sd" uniqKey="Cook S">SD Cook</name></author><author><name sortKey="Klawitter, Jj" uniqKey="Klawitter J">JJ Klawitter</name></author><author><name sortKey="Weinstein, Am" uniqKey="Weinstein A">AM Weinstein</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Giesen, Eb" uniqKey="Giesen E">EB Giesen</name></author><author><name sortKey="Ding, M" uniqKey="Ding M">M Ding</name></author><author><name sortKey="Dalstra, M" uniqKey="Dalstra M">M Dalstra</name></author><author><name sortKey="Van Eijden, Tm" uniqKey="Van Eijden T">TM Van Eijden</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Iplikcioglu, H" uniqKey="Iplikcioglu H">H Iplikçioglu</name></author><author><name sortKey="Akca, K" uniqKey="Akca K">K Akça</name></author><author><name sortKey="Cehrelli, Mc" uniqKey="Cehrelli M">MC Cehrelli</name></author><author><name sortKey="Sahin, S" uniqKey="Sahin S">S Sahin</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Klemetti, E" uniqKey="Klemetti E">E Klemetti</name></author><author><name sortKey="Vainio, P" uniqKey="Vainio P">P Vainio</name></author><author><name sortKey="Lassila, V" uniqKey="Lassila V">V Lassila</name></author><author><name sortKey="Alhava, E" uniqKey="Alhava E">E Alhava</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Lindh, C" uniqKey="Lindh C">C Lindh</name></author><author><name sortKey="Petersson, A" uniqKey="Petersson A">A Petersson</name></author><author><name sortKey="Klinge, B" uniqKey="Klinge B">B Klinge</name></author><author><name sortKey="Nilsson, M" uniqKey="Nilsson M">M Nilsson</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Mish, Ce" uniqKey="Mish C">CE Mish</name></author><author><name sortKey="Qu, Z" uniqKey="Qu Z">Z Qu</name></author><author><name sortKey="Bidez, Mw" uniqKey="Bidez M">MW Bidez</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="O Mahony, Am" uniqKey="O Mahony A">AM O'Mahony</name></author><author><name sortKey="Willians, Jl" uniqKey="Willians J">JL Willians</name></author><author><name sortKey="Katz, Jo" uniqKey="Katz J">JO Katz</name></author><author><name sortKey="Spencer, P" uniqKey="Spencer P">P Spencer</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Oyen, Ml" uniqKey="Oyen M">ML Oyen</name></author><author><name sortKey="Ferguson, Vl" uniqKey="Ferguson V">VL Ferguson</name></author><author><name sortKey="Bembey, Ak" uniqKey="Bembey A">AK Bembey</name></author><author><name sortKey="Bushby, Aj" uniqKey="Bushby A">AJ Bushby</name></author><author><name sortKey="Boyde, A" uniqKey="Boyde A">A Boyde</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Seong, Wj" uniqKey="Seong W">WJ Seong</name></author><author><name sortKey="Kim, Uk" uniqKey="Kim U">UK Kim</name></author><author><name sortKey="Swift, Jq" uniqKey="Swift J">JQ Swift</name></author><author><name sortKey="Heo, Yc" uniqKey="Heo Y">YC Heo</name></author><author><name sortKey="Hodges, Js" uniqKey="Hodges J">JS Hodges</name></author><author><name sortKey="Ko, Cc" uniqKey="Ko C">CC Ko</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Tomatsu, Y" uniqKey="Tomatsu Y">Y Tomatsu</name></author><author><name sortKey="Kaimoto, K" uniqKey="Kaimoto K">K Kaimoto</name></author><author><name sortKey="Arai, M" uniqKey="Arai M">M Arai</name></author><author><name sortKey="Ide, Y" uniqKey="Ide Y">Y Ide</name></author></analytic></biblStruct></listBibl></div1></back></TEI><affiliations><list><country><li>Brésil</li></country><region><li>Minas Gerais</li><li>État de São Paulo</li></region><settlement><li>São Paulo</li></settlement><orgName><li>Université de São Paulo</li></orgName></list><tree><country name="Brésil"><region name="Minas Gerais"><name sortKey="Moretti Neto, Rafael Tobias" sort="Moretti Neto, Rafael Tobias" uniqKey="Moretti Neto R" first="Rafael Tobias" last="Moretti Neto">Rafael Tobias Moretti Neto</name></region><name sortKey="Conti, Paulo Cesar Rodrigues" sort="Conti, Paulo Cesar Rodrigues" uniqKey="Conti P" first="Paulo César Rodrigues" last="Conti">Paulo César Rodrigues Conti</name><name sortKey="Hiramatsu, Daniel Afonso" sort="Hiramatsu, Daniel Afonso" uniqKey="Hiramatsu D" first="Daniel Afonso" last="Hiramatsu">Daniel Afonso Hiramatsu</name><name sortKey="Rubo, Jose Henrique" sort="Rubo, Jose Henrique" uniqKey="Rubo J" first="José Henrique" last="Rubo">José Henrique Rubo</name><name sortKey="Suedam, Valdey" sort="Suedam, Valdey" uniqKey="Suedam V" first="Valdey" last="Suedam">Valdey Suedam</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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