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Photoelastic Stress Analysis in Prosthetic Implants of Different Diameters: Mini, Narrow, Standard or Wide

Identifieur interne : 001388 ( Ncbi/Merge ); précédent : 001387; suivant : 001389

Photoelastic Stress Analysis in Prosthetic Implants of Different Diameters: Mini, Narrow, Standard or Wide

Auteurs : Marcelo Coelho Goiato ; Alves Aldiéris Pesqueira ; Daniela Micheline Dos Santos ; Marcela Filié Haddad ; Amália Moreno

Source :

Journal of Clinical and Diagnostic Research : JCDR [ 2249-782X ] ; 2014.

RBID : PMC:4225983

Abstract

Purpose: This study investigated the biomechanical behavior of screwed partial fixed prosthesis supported by implants with different diameters (2.5 mm; 3.3 mm and 3.75 mm) by using a photoelastic analysis.

Materials and Methods: Six photoelastic models were fabricated in PL-2 resin as single crowns or splinted 3-unit piece. Models were positioned in a circular polariscope and 100-N axial and oblique (45 degrees) loads were applied in the occlusal surface of the crowns by using a universal testing machine (EMIC). The stresses were photographically recorded and qualitatively analyzed using a software (Adobe Photoshop).

Results: Under axial loading, the number of fringes was inversely proportional to the diameter of the implants in the single crown models. In the splinted 3-unit piece, the 3.75-mm implant promoted lower number of fringes regardless of loading area application. Under oblique loading, a slight increase of fringes number was observed for all groups.

Conclusion: The standard implant diameter promoted better stress distribution than the narrow and mini diameter implants. Additionally, the splinted crowns showed a more uniform stress distribution.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4225983

DOI: 10.7860/JCDR/2014/8489.4902
PubMed: 25386531
PubMed Central: 4225983

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Le document en format XML

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<author><name sortKey="Coelho Goiato, Marcelo" sort="Coelho Goiato, Marcelo" uniqKey="Coelho Goiato M" first="Marcelo" last="Coelho Goiato">Marcelo Coelho Goiato</name>
<affiliation><nlm:aff id="aff1"> Adjunct Professor, Department of Dental Materials and Prosthodontics,<institution>Araçatuba School of Dentistry, São Paulo State University</institution>
<addr-line>-UNESP, Araçatuba, São Paulo, Brazil</addr-line>
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<author><name sortKey="Pesqueira, Alves Aldieris" sort="Pesqueira, Alves Aldieris" uniqKey="Pesqueira A" first="Alves Aldiéris" last="Pesqueira">Alves Aldiéris Pesqueira</name>
<affiliation><nlm:aff id="aff2"> Associate Professor, Department of Dental Materials and Prosthodontics,<institution>Araçatuba School of Dentistry, São Paulo State University-UNESP</institution>
,<addr-line>Araçatuba, São Paulo, Brazil</addr-line>
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<author><name sortKey="Santos, Daniela Micheline Dos" sort="Santos, Daniela Micheline Dos" uniqKey="Santos D" first="Daniela Micheline Dos" last="Santos">Daniela Micheline Dos Santos</name>
<affiliation><nlm:aff id="aff3"> Associate Professor, Department of Dental Materials and Prosthodontics,<institution>Araçatuba Dental School, UNESP</institution>
,<addr-line>Araçatuba, São Paulo, Brazil</addr-line>
.</nlm:aff>
</affiliation>
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<author><name sortKey="Haddad, Marcela Filie" sort="Haddad, Marcela Filie" uniqKey="Haddad M" first="Marcela Filié" last="Haddad">Marcela Filié Haddad</name>
<affiliation><nlm:aff id="aff4"> Adjunct Professor,<institution>Federal University of Department of Dental Materials and Prosthodontics</institution>
, Alfenas -<addr-line>UNIFAL</addr-line>
.</nlm:aff>
</affiliation>
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<author><name sortKey="Moreno, Amalia" sort="Moreno, Amalia" uniqKey="Moreno A" first="Amália" last="Moreno">Amália Moreno</name>
<affiliation><nlm:aff id="aff5"> Post-Graduate Student, Department of Dental Materials and Prosthodontics,<institution>Araçatuba School of Dentistry, São Paulo State University-UNESP</institution>
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<author><name sortKey="Coelho Goiato, Marcelo" sort="Coelho Goiato, Marcelo" uniqKey="Coelho Goiato M" first="Marcelo" last="Coelho Goiato">Marcelo Coelho Goiato</name>
<affiliation><nlm:aff id="aff1"> Adjunct Professor, Department of Dental Materials and Prosthodontics,<institution>Araçatuba School of Dentistry, São Paulo State University</institution>
<addr-line>-UNESP, Araçatuba, São Paulo, Brazil</addr-line>
.</nlm:aff>
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<author><name sortKey="Pesqueira, Alves Aldieris" sort="Pesqueira, Alves Aldieris" uniqKey="Pesqueira A" first="Alves Aldiéris" last="Pesqueira">Alves Aldiéris Pesqueira</name>
<affiliation><nlm:aff id="aff2"> Associate Professor, Department of Dental Materials and Prosthodontics,<institution>Araçatuba School of Dentistry, São Paulo State University-UNESP</institution>
,<addr-line>Araçatuba, São Paulo, Brazil</addr-line>
.</nlm:aff>
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<author><name sortKey="Santos, Daniela Micheline Dos" sort="Santos, Daniela Micheline Dos" uniqKey="Santos D" first="Daniela Micheline Dos" last="Santos">Daniela Micheline Dos Santos</name>
<affiliation><nlm:aff id="aff3"> Associate Professor, Department of Dental Materials and Prosthodontics,<institution>Araçatuba Dental School, UNESP</institution>
,<addr-line>Araçatuba, São Paulo, Brazil</addr-line>
.</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Haddad, Marcela Filie" sort="Haddad, Marcela Filie" uniqKey="Haddad M" first="Marcela Filié" last="Haddad">Marcela Filié Haddad</name>
<affiliation><nlm:aff id="aff4"> Adjunct Professor,<institution>Federal University of Department of Dental Materials and Prosthodontics</institution>
, Alfenas -<addr-line>UNIFAL</addr-line>
.</nlm:aff>
</affiliation>
</author>
<author><name sortKey="Moreno, Amalia" sort="Moreno, Amalia" uniqKey="Moreno A" first="Amália" last="Moreno">Amália Moreno</name>
<affiliation><nlm:aff id="aff5"> Post-Graduate Student, Department of Dental Materials and Prosthodontics,<institution>Araçatuba School of Dentistry, São Paulo State University-UNESP</institution>
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<series><title level="j">Journal of Clinical and Diagnostic Research : JCDR</title>
<idno type="ISSN">2249-782X</idno>
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<front><div type="abstract" xml:lang="en"><p><bold>Purpose:</bold>
 This study investigated the biomechanical behavior of screwed partial fixed prosthesis supported by implants with different diameters (2.5 mm; 3.3 mm and 3.75 mm) by using a photoelastic analysis.</p>
<p><bold>Materials and Methods:</bold>
 Six photoelastic models were fabricated in PL-2 resin as single crowns or splinted 3-unit piece. Models were positioned in a circular polariscope and 100-N axial and oblique (45 degrees) loads were applied in the occlusal surface of the crowns by using a universal testing machine (EMIC). The stresses were photographically recorded and qualitatively analyzed using a software (Adobe Photoshop).</p>
<p><bold>Results:</bold>
 Under axial loading, the number of fringes was inversely proportional to the diameter of the implants in the single crown models. In the splinted 3-unit piece, the 3.75-mm implant promoted lower number of fringes regardless of loading area application. Under oblique loading, a slight increase of fringes number was observed for all groups.</p>
<p><bold>Conclusion:</bold>
 The standard implant diameter promoted better stress distribution than the narrow and mini diameter implants. Additionally, the splinted crowns showed a more uniform stress distribution.</p>
</div>
</front>
</TEI>
<pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
  <front><journal-meta><journal-id journal-id-type="nlm-ta">J Clin Diagn Res</journal-id>
<journal-id journal-id-type="iso-abbrev">J Clin Diagn Res</journal-id>
<journal-id journal-id-type="hwp">Journal of Clinical and Diagnostic Research</journal-id>
<journal-id journal-id-type="publisher-id">JCDR</journal-id>
<journal-title-group><journal-title>Journal of Clinical and Diagnostic Research : JCDR</journal-title>
</journal-title-group>
<issn pub-type="ppub">2249-782X</issn>
<issn pub-type="epub">0973-709X</issn>
<publisher><publisher-name>JCDR Research and Publications (P) Limited</publisher-name>
<publisher-loc>Delhi, India</publisher-loc>
</publisher>
</journal-meta>
<article-meta><article-id pub-id-type="pmid">25386531</article-id>
<article-id pub-id-type="pmc">4225983</article-id>
<article-id pub-id-type="doi">10.7860/JCDR/2014/8489.4902</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Dentistry</subject>
<subj-group subj-group-type="heading"><subject>Dental Original Article</subject>
</subj-group>
</subj-group>
</article-categories>
<title-group><article-title>Photoelastic Stress Analysis in Prosthetic Implants of Different Diameters: Mini, Narrow, Standard or Wide</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" corresp="yes"><name><surname>Coelho Goiato</surname>
<given-names>Marcelo</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
<xref ref-type="corresp" rid="cor1"></xref>
</contrib>
<contrib contrib-type="author"><name><surname>Pesqueira</surname>
<given-names>Alves Aldiéris</given-names>
</name>
<xref ref-type="aff" rid="aff2">2</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Santos</surname>
<given-names>Daniela Micheline Dos</given-names>
</name>
<xref ref-type="aff" rid="aff3">3</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Haddad</surname>
<given-names>Marcela Filié</given-names>
</name>
<xref ref-type="aff" rid="aff4">4</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Moreno</surname>
<given-names>Amália</given-names>
</name>
<xref ref-type="aff" rid="aff5">5</xref>
</contrib>
</contrib-group>
<aff id="aff1"><label>1</label>
 Adjunct Professor, Department of Dental Materials and Prosthodontics,<institution>Araçatuba School of Dentistry, São Paulo State University</institution>
<addr-line>-UNESP, Araçatuba, São Paulo, Brazil</addr-line>
.</aff>
<aff id="aff2"><label>2</label>
 Associate Professor, Department of Dental Materials and Prosthodontics,<institution>Araçatuba School of Dentistry, São Paulo State University-UNESP</institution>
,<addr-line>Araçatuba, São Paulo, Brazil</addr-line>
.</aff>
<aff id="aff3"><label>3</label>
 Associate Professor, Department of Dental Materials and Prosthodontics,<institution>Araçatuba Dental School, UNESP</institution>
,<addr-line>Araçatuba, São Paulo, Brazil</addr-line>
.</aff>
<aff id="aff4"><label>4</label>
 Adjunct Professor,<institution>Federal University of Department of Dental Materials and Prosthodontics</institution>
, Alfenas -<addr-line>UNIFAL</addr-line>
.</aff>
<aff id="aff5"><label>5</label>
 Post-Graduate Student, Department of Dental Materials and Prosthodontics,<institution>Araçatuba School of Dentistry, São Paulo State University-UNESP</institution>
,<addr-line>Araçatuba, São Paulo, Brazil</addr-line>
.</aff>
<author-notes><corresp id="cor1">NAME, ADDRESS, E-MAIL ID OF THE CORRESPONDING AUTHOR: Dr. Marcelo Coelho Goiato, Adjunct Professor, Department of Dental Materials and Prosthodontics, UNESP São Paulo State University José Bonifácio, 1193, Vila Mendonça Araçatuba, São Paulo- 16050-050, Brazil. Phone: (18) 3636-3287, E-mail: <email>goiato@foa.unesp.br</email>
</corresp>
</author-notes>
<pub-date pub-type="ppub"><month>9</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="epub"><day>20</day>
<month>9</month>
<year>2014</year>
</pub-date>
<volume>8</volume>
<issue>9</issue>
<fpage>ZC86</fpage>
<lpage>ZC90</lpage>
<history><date date-type="received"><day>15</day>
<month>1</month>
<year>2014</year>
</date>
<date date-type="rev-request"><day>22</day>
<month>4</month>
<year>2014</year>
</date>
<date date-type="accepted"><day>29</day>
<month>5</month>
<year>2014</year>
</date>
</history>
<permissions><copyright-statement>© 2014 Journal of Clinical and Diagnostic Research</copyright-statement>
<copyright-year>2014</copyright-year>
</permissions>
<abstract><p><bold>Purpose:</bold>
 This study investigated the biomechanical behavior of screwed partial fixed prosthesis supported by implants with different diameters (2.5 mm; 3.3 mm and 3.75 mm) by using a photoelastic analysis.</p>
<p><bold>Materials and Methods:</bold>
 Six photoelastic models were fabricated in PL-2 resin as single crowns or splinted 3-unit piece. Models were positioned in a circular polariscope and 100-N axial and oblique (45 degrees) loads were applied in the occlusal surface of the crowns by using a universal testing machine (EMIC). The stresses were photographically recorded and qualitatively analyzed using a software (Adobe Photoshop).</p>
<p><bold>Results:</bold>
 Under axial loading, the number of fringes was inversely proportional to the diameter of the implants in the single crown models. In the splinted 3-unit piece, the 3.75-mm implant promoted lower number of fringes regardless of loading area application. Under oblique loading, a slight increase of fringes number was observed for all groups.</p>
<p><bold>Conclusion:</bold>
 The standard implant diameter promoted better stress distribution than the narrow and mini diameter implants. Additionally, the splinted crowns showed a more uniform stress distribution.</p>
</abstract>
<kwd-group><kwd>Biomechanical</kwd>
<kwd>Dental implantation</kwd>
<kwd>Dental stress analysis</kwd>
</kwd-group>
</article-meta>
</front>
</pmc>
<affiliations><list></list>
<tree><noCountry><name sortKey="Coelho Goiato, Marcelo" sort="Coelho Goiato, Marcelo" uniqKey="Coelho Goiato M" first="Marcelo" last="Coelho Goiato">Marcelo Coelho Goiato</name>
<name sortKey="Haddad, Marcela Filie" sort="Haddad, Marcela Filie" uniqKey="Haddad M" first="Marcela Filié" last="Haddad">Marcela Filié Haddad</name>
<name sortKey="Moreno, Amalia" sort="Moreno, Amalia" uniqKey="Moreno A" first="Amália" last="Moreno">Amália Moreno</name>
<name sortKey="Pesqueira, Alves Aldieris" sort="Pesqueira, Alves Aldieris" uniqKey="Pesqueira A" first="Alves Aldiéris" last="Pesqueira">Alves Aldiéris Pesqueira</name>
<name sortKey="Santos, Daniela Micheline Dos" sort="Santos, Daniela Micheline Dos" uniqKey="Santos D" first="Daniela Micheline Dos" last="Santos">Daniela Micheline Dos Santos</name>
</noCountry>
</tree>
</affiliations>
</record>

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Photoelastic Stress Analysis in Prosthetic Implants of Different Diameters: Mini, Narrow, Standard or Wide

Photoelastic Stress Analysis in Prosthetic Implants of Different Diameters: Mini, Narrow, Standard or Wide

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Abstract

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