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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">3D finite element analysis to detect stress distribution: spiral family implants</title><author><name sortKey="Danza, Matteo" sort="Danza, Matteo" uniqKey="Danza M" first="Matteo" last="Danza">Matteo Danza</name><affiliation><nlm:aff id="Aff1">Dental School, University of Chieti, Chieti, Italy</nlm:aff></affiliation></author><author><name sortKey="Zollino, Ilaria" sort="Zollino, Ilaria" uniqKey="Zollino I" first="Ilaria" last="Zollino">Ilaria Zollino</name><affiliation><nlm:aff id="Aff2">Maxillofacial Surgery, University of Ferrara, Ferrara, Italy</nlm:aff></affiliation></author><author><name sortKey="Paracchini, Luigi" sort="Paracchini, Luigi" uniqKey="Paracchini L" first="Luigi" last="Paracchini">Luigi Paracchini</name><affiliation><nlm:aff id="Aff3">Private Practice, Milano, Italy</nlm:aff></affiliation></author><author><name sortKey="Riccardo, Guidi" sort="Riccardo, Guidi" uniqKey="Riccardo G" first="Guidi" last="Riccardo">Guidi Riccardo</name><affiliation><nlm:aff id="Aff2">Maxillofacial Surgery, University of Ferrara, Ferrara, Italy</nlm:aff></affiliation></author><author><name sortKey="Fanali, Stefano" sort="Fanali, Stefano" uniqKey="Fanali S" first="Stefano" last="Fanali">Stefano Fanali</name><affiliation><nlm:aff id="Aff1">Dental School, University of Chieti, Chieti, Italy</nlm:aff></affiliation></author><author><name sortKey="Carinci, Francesco" sort="Carinci, Francesco" uniqKey="Carinci F" first="Francesco" last="Carinci">Francesco Carinci</name><affiliation><nlm:aff id="Aff2">Maxillofacial Surgery, University of Ferrara, Ferrara, Italy</nlm:aff></affiliation><affiliation><nlm:aff id="Aff4">Arcispedale S. Anna, Corso Giovecca 203, 44100 Ferrara, Italy</nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">23139539</idno><idno type="pmc">3454091</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3454091</idno><idno type="RBID">PMC:3454091</idno><idno type="doi">10.1007/s12663-009-0081-0</idno><date when="2009">2009</date><idno type="wicri:Area/Pmc/Corpus">000B35</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000B35</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">3D finite element analysis to detect stress distribution: spiral family implants</title><author><name sortKey="Danza, Matteo" sort="Danza, Matteo" uniqKey="Danza M" first="Matteo" last="Danza">Matteo Danza</name><affiliation><nlm:aff id="Aff1">Dental School, University of Chieti, Chieti, Italy</nlm:aff></affiliation></author><author><name sortKey="Zollino, Ilaria" sort="Zollino, Ilaria" uniqKey="Zollino I" first="Ilaria" last="Zollino">Ilaria Zollino</name><affiliation><nlm:aff id="Aff2">Maxillofacial Surgery, University of Ferrara, Ferrara, Italy</nlm:aff></affiliation></author><author><name sortKey="Paracchini, Luigi" sort="Paracchini, Luigi" uniqKey="Paracchini L" first="Luigi" last="Paracchini">Luigi Paracchini</name><affiliation><nlm:aff id="Aff3">Private Practice, Milano, Italy</nlm:aff></affiliation></author><author><name sortKey="Riccardo, Guidi" sort="Riccardo, Guidi" uniqKey="Riccardo G" first="Guidi" last="Riccardo">Guidi Riccardo</name><affiliation><nlm:aff id="Aff2">Maxillofacial Surgery, University of Ferrara, Ferrara, Italy</nlm:aff></affiliation></author><author><name sortKey="Fanali, Stefano" sort="Fanali, Stefano" uniqKey="Fanali S" first="Stefano" last="Fanali">Stefano Fanali</name><affiliation><nlm:aff id="Aff1">Dental School, University of Chieti, Chieti, Italy</nlm:aff></affiliation></author><author><name sortKey="Carinci, Francesco" sort="Carinci, Francesco" uniqKey="Carinci F" first="Francesco" last="Carinci">Francesco Carinci</name><affiliation><nlm:aff id="Aff2">Maxillofacial Surgery, University of Ferrara, Ferrara, Italy</nlm:aff></affiliation><affiliation><nlm:aff id="Aff4">Arcispedale S. Anna, Corso Giovecca 203, 44100 Ferrara, Italy</nlm:aff></affiliation></author></analytic><series><title level="j">Journal of Maxillofacial & Oral Surgery</title><idno type="ISSN">0972-8279</idno><idno type="eISSN">0974-942X</idno><imprint><date when="2009">2009</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Aim</title><p>Spiral family implants are a root-form fixtures with increasing thickness of tread. This characteristic gives a self-tapping and self-condensing bone properties to implants. To study spiral family implant inserted in different bone quality and connected with abutments of different angulations a Finite Element Analysis (FEA) was performed. Once drawn the systems that were object of the study by CAD (Computer Aided Design), the FEA discretized solids composing the system in many infinitesimal little elementary solids defined finite elements. This lead to a mesh formation where the single finite elements were connected among them by nodes. For the 3 units bone-implant-abutments several thousand of tetrahedral elements having 10 parabolic nodes were employed.</p></sec><sec><title>Materials and methods</title><p>The biomechanical behaviour of 4.2 mm × 13 mm dental implants, connecting screw, straight and 15° and 25° angulated abutment subjected to static loads, in contact with high and poor bone quality was evaluated by FEA. A double system was analyzed: a) FY strength acting along Y axis and having 200 N intensity; b) FY and FZ couple of strengths applied along Y and Z directions and having respectively 200N and 140N intensity. The materials were considered as homogeneous, linear and isotropic. Then the FEA simulation was performed hypothesizing a linearity between loads and deformations.</p></sec><sec><title>Results</title><p>The lowest stress value was found in the system composed by implants and straight abutments loaded with a vertical strength, while the highest stress value were found in implants and 15° angulated abutment loaded with a angulated strength. In addition, the lower is the bone quality (i.e. D4) the higher is the distribution of the stress within the bone.</p></sec><sec><title>Conclusion</title><p>Spiral family implants can be used successfully in low bone quality but a straight force is recommended.</p></sec></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 Maxillofac Oral Surg</journal-id><journal-id journal-id-type="iso-abbrev">J Maxillofac Oral Surg</journal-id><journal-title-group><journal-title>Journal of Maxillofacial & Oral Surgery</journal-title></journal-title-group><issn pub-type="ppub">0972-8279</issn><issn pub-type="epub">0974-942X</issn><publisher><publisher-name>Springer-Verlag</publisher-name><publisher-loc>India</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">23139539</article-id><article-id pub-id-type="pmc">3454091</article-id><article-id pub-id-type="publisher-id">81</article-id><article-id pub-id-type="doi">10.1007/s12663-009-0081-0</article-id><article-categories><subj-group subj-group-type="heading"><subject>New Advances</subject></subj-group></article-categories><title-group><article-title>3D finite element analysis to detect stress distribution: spiral family implants</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Danza</surname><given-names>Matteo</given-names></name><xref ref-type="aff" rid="Aff1">1</xref></contrib><contrib contrib-type="author"><name><surname>Zollino</surname><given-names>Ilaria</given-names></name><xref ref-type="aff" rid="Aff2">2</xref></contrib><contrib contrib-type="author"><name><surname>Paracchini</surname><given-names>Luigi</given-names></name><xref ref-type="aff" rid="Aff3">3</xref></contrib><contrib contrib-type="author"><name><surname>Riccardo</surname><given-names>Guidi</given-names></name><xref ref-type="aff" rid="Aff2">2</xref></contrib><contrib contrib-type="author"><name><surname>Fanali</surname><given-names>Stefano</given-names></name><xref ref-type="aff" rid="Aff1">1</xref></contrib><contrib contrib-type="author" corresp="yes"><name><surname>Carinci</surname><given-names>Francesco</given-names></name><address><phone>+39.0532.455582</phone><fax>+39.0532.455582</fax><email>crc@unife.it</email><uri>www.carinci.org</uri></address><xref ref-type="aff" rid="Aff2">2</xref><xref ref-type="aff" rid="Aff4">4</xref></contrib><aff id="Aff1"><label>1</label>Dental School, University of Chieti, Chieti, Italy</aff><aff id="Aff2"><label>2</label>Maxillofacial Surgery, University of Ferrara, Ferrara, Italy</aff><aff id="Aff3"><label>3</label>Private Practice, Milano, Italy</aff><aff id="Aff4"><label>4</label>Arcispedale S. Anna, Corso Giovecca 203, 44100 Ferrara, Italy</aff></contrib-group><pub-date pub-type="epub"><day>24</day><month>4</month><year>2010</year></pub-date><pub-date pub-type="ppub"><month>12</month><year>2009</year></pub-date><volume>8</volume><issue>4</issue><fpage>334</fpage><lpage>339</lpage><history><date date-type="received"><day>18</day><month>9</month><year>2008</year></date><date date-type="accepted"><day>5</day><month>11</month><year>2009</year></date></history><permissions><copyright-statement>© Springer 2009</copyright-statement></permissions><abstract id="Abs1"><sec><title>Aim</title><p>Spiral family implants are a root-form fixtures with increasing thickness of tread. This characteristic gives a self-tapping and self-condensing bone properties to implants. To study spiral family implant inserted in different bone quality and connected with abutments of different angulations a Finite Element Analysis (FEA) was performed. Once drawn the systems that were object of the study by CAD (Computer Aided Design), the FEA discretized solids composing the system in many infinitesimal little elementary solids defined finite elements. This lead to a mesh formation where the single finite elements were connected among them by nodes. For the 3 units bone-implant-abutments several thousand of tetrahedral elements having 10 parabolic nodes were employed.</p></sec><sec><title>Materials and methods</title><p>The biomechanical behaviour of 4.2 mm × 13 mm dental implants, connecting screw, straight and 15° and 25° angulated abutment subjected to static loads, in contact with high and poor bone quality was evaluated by FEA. A double system was analyzed: a) FY strength acting along Y axis and having 200 N intensity; b) FY and FZ couple of strengths applied along Y and Z directions and having respectively 200N and 140N intensity. The materials were considered as homogeneous, linear and isotropic. Then the FEA simulation was performed hypothesizing a linearity between loads and deformations.</p></sec><sec><title>Results</title><p>The lowest stress value was found in the system composed by implants and straight abutments loaded with a vertical strength, while the highest stress value were found in implants and 15° angulated abutment loaded with a angulated strength. In addition, the lower is the bone quality (i.e. D4) the higher is the distribution of the stress within the bone.</p></sec><sec><title>Conclusion</title><p>Spiral family implants can be used successfully in low bone quality but a straight force is recommended.</p></sec></abstract><kwd-group xml:lang="en"><title>Keywords</title><kwd>Biomechanics</kwd><kwd>Finite element analysis</kwd><kwd>Spiral</kwd><kwd>Implant</kwd><kwd>Stress</kwd><kwd>Distribution</kwd></kwd-group><custom-meta-group><custom-meta><meta-name>issue-copyright-statement</meta-name><meta-value>© Springer 2009</meta-value></custom-meta></custom-meta-group></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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