Validation of an experimental polyurethane model for biomechanical studies on implant supported prosthesis - tension tests
Identifieur interne : 003668 ( Ncbi/Merge ); précédent : 003667; suivant : 003669Validation of an experimental polyurethane model for biomechanical studies on implant supported prosthesis - tension tests
Auteurs : Mariane Miyashiro [Brésil] ; Valdey Suedam [Brésil] ; Rafael Tobias Moretti Neto [Brésil] ; Paulo Martins Ferreira [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,
frequently hinder the development of clinical trials. The purpose of this
Forty-five polyurethane test specimens were divided into 3 groups of 15 specimens each, according to the ratio (A/B) of polyurethane reagents (PU-1: 1/0.5, PU-2: 1/1, PU-3: 1/1.5).
Tension tests were performed in each experimental group and the modulus of elasticity values found were 192.98 MPa (SD=57.20) for PU-1, 347.90 MPa (SD=109.54) for PU-2 and 304.64 MPa (SD=25.48) for PU-3.
The concentration of choice for building the experimental model was 1/1.
Url:
DOI: 10.1590/S1678-77572011000300012
PubMed: 21625741
PubMed Central: 4234337
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Validation of an experimental polyurethane model for biomechanical
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<author><name sortKey="Miyashiro, Mariane" sort="Miyashiro, Mariane" uniqKey="Miyashiro M" first="Mariane" last="Miyashiro">Mariane Miyashiro</name>
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<orgName type="university">Université de São Paulo</orgName>
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<author><name sortKey="Suedam, Valdey" sort="Suedam, Valdey" uniqKey="Suedam V" first="Valdey" last="Suedam">Valdey Suedam</name>
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<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>
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<author><name sortKey="Ferreira, Paulo Martins" sort="Ferreira, Paulo Martins" uniqKey="Ferreira P" first="Paulo Martins" last="Ferreira">Paulo Martins Ferreira</name>
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<author><name sortKey="Rubo, Jose Henrique" sort="Rubo, Jose Henrique" uniqKey="Rubo J" first="José Henrique" last="Rubo">José Henrique Rubo</name>
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<wicri:regionArea> DDS, MSc, PhD, Associate Professor, Department of Prosthodontics, Bauru School of Dentistry, University of São Paulo, Bauru, SP</wicri:regionArea>
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<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>
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<front><div type="abstract" xml:lang="en"><sec><title>Objectives</title>
<p>The complexity and heterogeneity of human bone, as well as ethical issues,
frequently hinder the development of clinical trials. The purpose of this
<italic>in vitro</italic>
study was to determine the modulus of elasticity of a
polyurethane isotropic experimental model via tension tests, comparing the results
to those reported in the literature for mandibular bone, in order to validate the
use of such a model in lieu of mandibular bone in biomechanical studies.</p>
</sec>
<sec><title>Material and Methods</title>
<p>Forty-five polyurethane test specimens were divided into 3 groups of 15 specimens
each, according to the ratio (A/B) of polyurethane reagents (PU-1: 1/0.5, PU-2:
1/1, PU-3: 1/1.5).</p>
</sec>
<sec><title>Results</title>
<p>Tension tests were performed in each experimental group and the modulus of
elasticity values found were 192.98 MPa (SD=57.20) for PU-1, 347.90 MPa
(SD=109.54) for PU-2 and 304.64 MPa (SD=25.48) for PU-3.</p>
</sec>
<sec><title>Conclusion</title>
<p>The concentration of choice for building the experimental model was 1/1.</p>
</sec>
</div>
</front>
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<pmc article-type="research-article"><pmc-dir>properties open_access</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-ta">J Appl Oral Sci</journal-id>
<journal-id journal-id-type="iso-abbrev">J Appl Oral Sci</journal-id>
<journal-title-group><journal-title>Journal of Applied Oral Science</journal-title>
</journal-title-group>
<issn pub-type="ppub">1678-7757</issn>
<issn pub-type="epub">1678-7765</issn>
<publisher><publisher-name>Faculdade de Odontologia de Bauru da Universidade de São
Paulo</publisher-name>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">21625741</article-id>
<article-id pub-id-type="pmc">4234337</article-id>
<article-id pub-id-type="doi">10.1590/S1678-77572011000300012</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Original Articles</subject>
</subj-group>
</article-categories>
<title-group><article-title>Validation of an experimental polyurethane model for biomechanical
studies on implant supported prosthesis - tension tests</article-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>MIYASHIRO</surname>
<given-names>Mariane</given-names>
</name>
<xref ref-type="aff" rid="aff01">1</xref>
</contrib>
<contrib contrib-type="author"><name><surname>SUEDAM</surname>
<given-names>Valdey</given-names>
</name>
<xref ref-type="aff" rid="aff02">2</xref>
</contrib>
<contrib contrib-type="author"><name><surname>MORETTI NETO</surname>
<given-names>Rafael Tobias</given-names>
</name>
<xref ref-type="aff" rid="aff03">3</xref>
</contrib>
<contrib contrib-type="author"><name><surname>FERREIRA</surname>
<given-names>Paulo Martins</given-names>
</name>
<xref ref-type="aff" rid="aff04">4</xref>
</contrib>
<contrib contrib-type="author"><name><surname>RUBO</surname>
<given-names>José Henrique</given-names>
</name>
<xref ref-type="aff" rid="aff04">4</xref>
<xref ref-type="corresp" rid="c01"></xref>
</contrib>
</contrib-group>
<aff id="aff01"><label>1</label>
DDS, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil.</aff>
<aff id="aff02"><label>2</label>
DDS, MSc, PhD, Department of Prosthodontics, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil.</aff>
<aff id="aff03"><label>3</label>
DDS, MSc, PhD student, Department of Prosthodontics, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil.</aff>
<aff id="aff04"><label>4</label>
DDS, MSc, PhD, Associate Professor, Department of Prosthodontics, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil.</aff>
<author-notes><corresp id="c01"><bold>Corresponding address: </bold>
Prof. Dr. José Henrique Rubo - Faculdade
de Odontologia de Bauru - USP - Departamento de Prótese - Al. Dr.
Octávio Pinheiro Brisolla, 9-75 - 17012901 - Bauru - SP - Brasil - e-mail:
<email>jrubo@fob.usp.br</email>
</corresp>
</author-notes>
<pub-date pub-type="epub-ppub"><season>May-Jun</season>
<year>2011</year>
</pub-date>
<pmc-comment>Fake ppub date generated by PMC from publisher
pub-date/@pub-type='epub-ppub' </pmc-comment>
<pub-date pub-type="ppub"><season>May-Jun</season>
<year>2011</year>
</pub-date>
<volume>19</volume>
<issue>3</issue>
<fpage>244</fpage>
<lpage>248</lpage>
<history><date date-type="received"><day>01</day>
<month>7</month>
<year>2009</year>
</date>
<date date-type="rev-recd"><day>27</day>
<month>4</month>
<year>2010</year>
</date>
<date date-type="accepted"><day>25</day>
<month>5</month>
<year>2010</year>
</date>
</history>
<permissions><license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by-nc/3.0/"><license-p>This is an Open Access article distributed under the terms of the Creative
Commons Attribution Non-Commercial License which permits unrestricted
non-commercial use, distribution, and reproduction in any medium, provided the
original work is properly cited. </license-p>
</license>
</permissions>
<abstract><sec><title>Objectives</title>
<p>The complexity and heterogeneity of human bone, as well as ethical issues,
frequently hinder the development of clinical trials. The purpose of this
<italic>in vitro</italic>
study was to determine the modulus of elasticity of a
polyurethane isotropic experimental model via tension tests, comparing the results
to those reported in the literature for mandibular bone, in order to validate the
use of such a model in lieu of mandibular bone in biomechanical studies.</p>
</sec>
<sec><title>Material and Methods</title>
<p>Forty-five polyurethane test specimens were divided into 3 groups of 15 specimens
each, according to the ratio (A/B) of polyurethane reagents (PU-1: 1/0.5, PU-2:
1/1, PU-3: 1/1.5).</p>
</sec>
<sec><title>Results</title>
<p>Tension tests were performed in each experimental group and the modulus of
elasticity values found were 192.98 MPa (SD=57.20) for PU-1, 347.90 MPa
(SD=109.54) for PU-2 and 304.64 MPa (SD=25.48) for PU-3.</p>
</sec>
<sec><title>Conclusion</title>
<p>The concentration of choice for building the experimental model was 1/1.</p>
</sec>
</abstract>
<kwd-group><kwd>Polyurethanes</kwd>
<kwd>Validation studies</kwd>
<kwd>Dental implants</kwd>
</kwd-group>
<funding-group><award-group><funding-source>State of São Paulo Research Foundation/
FAPESP</funding-source>
<award-id>2006/57414-8</award-id>
</award-group>
</funding-group>
</article-meta>
</front>
</pmc>
<affiliations><list><country><li>Brésil</li>
</country>
<region><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="État de São Paulo"><name sortKey="Miyashiro, Mariane" sort="Miyashiro, Mariane" uniqKey="Miyashiro M" first="Mariane" last="Miyashiro">Mariane Miyashiro</name>
</region>
<name sortKey="Ferreira, Paulo Martins" sort="Ferreira, Paulo Martins" uniqKey="Ferreira P" first="Paulo Martins" last="Ferreira">Paulo Martins Ferreira</name>
<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>
<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>
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