Evaluation of the Effect of Axial Wall Modification and Coping Design on the Retention of Cement-retained Implant-supported Crowns
Identifieur interne : 000E11 ( Pmc/Checkpoint ); précédent : 000E10; suivant : 000E12Evaluation of the Effect of Axial Wall Modification and Coping Design on the Retention of Cement-retained Implant-supported Crowns
Auteurs : Reza Derafshi [Iran] ; Ahmad Hasan Ahangari [Iran] ; Kianoosh Torabi [Iran] ; Mitra Farzin [Iran]Source :
- Journal of Dental Research, Dental Clinics, Dental Prospects [ 2008-210X ] ; 2015.
Abstract
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DOI: 10.15171/joddd.2015.007
PubMed: 25973152
PubMed Central: 4417491
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Evaluation of the Effect of Axial Wall Modification and Coping Design on the Retention of Cement-retained Implant-supported Crowns</title><author><name sortKey="Derafshi, Reza" sort="Derafshi, Reza" uniqKey="Derafshi R" first="Reza" last="Derafshi">Reza Derafshi</name><affiliation wicri:level="1"><nlm:aff id="A01">Assistant Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran</nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea>Assistant Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz</wicri:regionArea><wicri:noRegion>Shiraz</wicri:noRegion></affiliation></author><author><name sortKey="Ahangari, Ahmad Hasan" sort="Ahangari, Ahmad Hasan" uniqKey="Ahangari A" first="Ahmad Hasan" last="Ahangari">Ahmad Hasan Ahangari</name><affiliation wicri:level="1"><nlm:aff id="A02">Associate Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran</nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea>Associate Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz</wicri:regionArea><wicri:noRegion>Shiraz</wicri:noRegion></affiliation></author><author><name sortKey="Torabi, Kianoosh" sort="Torabi, Kianoosh" uniqKey="Torabi K" first="Kianoosh" last="Torabi">Kianoosh Torabi</name><affiliation wicri:level="1"><nlm:aff id="A02">Associate Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran</nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea>Associate Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz</wicri:regionArea><wicri:noRegion>Shiraz</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:aff id="A03">Biomaterial Research Center, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran</nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea>Biomaterial Research Center, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz</wicri:regionArea><wicri:noRegion>Shiraz</wicri:noRegion></affiliation></author><author><name sortKey="Farzin, Mitra" sort="Farzin, Mitra" uniqKey="Farzin M" first="Mitra" last="Farzin">Mitra Farzin</name><affiliation wicri:level="1"><nlm:aff id="A02">Associate Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran</nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea>Associate Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz</wicri:regionArea><wicri:noRegion>Shiraz</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">25973152</idno><idno type="pmc">4417491</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4417491</idno><idno type="RBID">PMC:4417491</idno><idno type="doi">10.15171/joddd.2015.007</idno><date when="2015">2015</date><idno type="wicri:Area/Pmc/Corpus">000323</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000323</idno><idno type="wicri:Area/Pmc/Curation">000323</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">000323</idno><idno type="wicri:Area/Pmc/Checkpoint">000E11</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">000E11</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Evaluation of the Effect of Axial Wall Modification and Coping Design on the Retention of Cement-retained Implant-supported Crowns</title><author><name sortKey="Derafshi, Reza" sort="Derafshi, Reza" uniqKey="Derafshi R" first="Reza" last="Derafshi">Reza Derafshi</name><affiliation wicri:level="1"><nlm:aff id="A01">Assistant Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran</nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea>Assistant Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz</wicri:regionArea><wicri:noRegion>Shiraz</wicri:noRegion></affiliation></author><author><name sortKey="Ahangari, Ahmad Hasan" sort="Ahangari, Ahmad Hasan" uniqKey="Ahangari A" first="Ahmad Hasan" last="Ahangari">Ahmad Hasan Ahangari</name><affiliation wicri:level="1"><nlm:aff id="A02">Associate Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran</nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea>Associate Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz</wicri:regionArea><wicri:noRegion>Shiraz</wicri:noRegion></affiliation></author><author><name sortKey="Torabi, Kianoosh" sort="Torabi, Kianoosh" uniqKey="Torabi K" first="Kianoosh" last="Torabi">Kianoosh Torabi</name><affiliation wicri:level="1"><nlm:aff id="A02">Associate Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran</nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea>Associate Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz</wicri:regionArea><wicri:noRegion>Shiraz</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:aff id="A03">Biomaterial Research Center, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran</nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea>Biomaterial Research Center, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz</wicri:regionArea><wicri:noRegion>Shiraz</wicri:noRegion></affiliation></author><author><name sortKey="Farzin, Mitra" sort="Farzin, Mitra" uniqKey="Farzin M" first="Mitra" last="Farzin">Mitra Farzin</name><affiliation wicri:level="1"><nlm:aff id="A02">Associate Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran</nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea>Associate Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz</wicri:regionArea><wicri:noRegion>Shiraz</wicri:noRegion></affiliation></author></analytic><series><title level="j">Journal of Dental Research, Dental Clinics, Dental Prospects</title><idno type="ISSN">2008-210X</idno><idno type="eISSN">2008-2118</idno><imprint><date when="2015">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p><bold><italic>Background and aims.</italic></bold> Because of compromised angulations of implants, the abutments are sometimes prepared. The purpose of this study was to investigate the effect of removing one wall of the implant abutment on the retention of cement-retained crowns.</p><p><bold><italic>Materials and methods.</italic></bold> Four prefabricated abutments were attached to analogues and embedded in acrylic resin blocks. The first abutment was left intact. Axial walls were partially removed from the remaining abutments to produce abutments with three walls. The screw access channel for the first and second abutments were completely filled with composite resin. For the third and fourth abutments, only partial filling was done. Wax-up models were made by CAD/CAM. Ten cast copings were fabricated for each abutment. The copings of fourth abutment had an extension into the screw access channel. Copings were cemented with Temp Bond. The castings were removed from the abutment using an Instron machine, and the peak removal force was recorded. A one-way ANOVA was used to test for a significant difference followed by the pairwise comparisons.</p><p><bold><italic>Results.</italic></bold> The abutments with opened screw access channel had a significantly higher retention than the two other abutments. The abutment with removed wall and no engagement into the hole by the castings exhibited the highest retention.</p><p><bold><italic>Conclusion.</italic></bold> Preserving the opening of screw access channel significantly increases the retention where one of the axial walls of implant abutments for cement-retained restorations is removed during preparation.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct></biblStruct><biblStruct><analytic><author><name sortKey="Tan, Km" uniqKey="Tan K">KM Tan</name></author><author><name sortKey="Masri, R" uniqKey="Masri R">R Masri</name></author><author><name sortKey="Driscoll, Cf" uniqKey="Driscoll C">CF Driscoll</name></author><author><name sortKey="Limkangwalmongkol, P" uniqKey="Limkangwalmongkol P">P Limkangwalmongkol</name></author><author><name sortKey="Romberg, E" uniqKey="Romberg E">E Romberg</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Nissan, J" uniqKey="Nissan J">J Nissan</name></author><author><name sortKey="Narobai, D" uniqKey="Narobai D">D Narobai</name></author><author><name sortKey="Gross, O" uniqKey="Gross O">O Gross</name></author><author><name sortKey="Ghelfan, O" uniqKey="Ghelfan O">O Ghelfan</name></author><author><name sortKey="Chaushu, G" uniqKey="Chaushu G">G Chaushu</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="De, Campos Tn" uniqKey="De C">Campos TN de</name></author><author><name sortKey="Adachi, Lk" uniqKey="Adachi L">LK Adachi</name></author><author><name sortKey="Miashiro, K" uniqKey="Miashiro K">K Miashiro</name></author><author><name sortKey="Yoshida, H" uniqKey="Yoshida H">H Yoshida</name></author><author><name sortKey="Shinkai, Rs" uniqKey="Shinkai R">RS Shinkai</name></author><author><name sortKey="Neto, Pt" uniqKey="Neto P">PT Neto</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Guncu, Mb" uniqKey="Guncu M">MB Güncü</name></author><author><name sortKey="Cakan, U" uniqKey="Cakan U">U Çakan</name></author><author><name sortKey="Canay, S" uniqKey="Canay S">S Canay</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Patil, Pg" uniqKey="Patil P">PG Patil</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Naik, S" uniqKey="Naik S">S Naik</name></author><author><name sortKey="Tredwin, Cj" uniqKey="Tredwin C">CJ Tredwin</name></author><author><name sortKey="Nesbit, M" uniqKey="Nesbit M">M Nesbit</name></author><author><name sortKey="Setchell, Dj" uniqKey="Setchell D">DJ Setchell</name></author><author><name sortKey="Moles, Dr" uniqKey="Moles D">DR Moles</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Santosa, Re" uniqKey="Santosa R">RE Santosa</name></author><author><name sortKey="Martin, W" uniqKey="Martin W">W Martin</name></author><author><name sortKey="Morton, D" uniqKey="Morton D">D Morton</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Saber, Fs" uniqKey="Saber F">FS Saber</name></author><author><name sortKey="Abolfazli, N" uniqKey="Abolfazli N">N Abolfazli</name></author><author><name sortKey="Nuroloyuni, S" uniqKey="Nuroloyuni S">S Nuroloyuni</name></author><author><name sortKey="Khodabakhsh, S" uniqKey="Khodabakhsh S">S Khodabakhsh</name></author><author><name sortKey="Bahrami, M" uniqKey="Bahrami M">M Bahrami</name></author><author><name sortKey="Nahidi, R" uniqKey="Nahidi R">R Nahidi</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Emms, M" uniqKey="Emms M">M Emms</name></author><author><name sortKey="Tredwin, Cj" uniqKey="Tredwin C">CJ Tredwin</name></author><author><name sortKey="Setchell, Dj" uniqKey="Setchell D">DJ Setchell</name></author><author><name sortKey="Moles, Dr" uniqKey="Moles D">DR Moles</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Cano Batalla, J" uniqKey="Cano Batalla J">J Cano-Batalla</name></author><author><name sortKey="Soliva Garriga, J" uniqKey="Soliva Garriga J">J Soliva-Garriga</name></author><author><name sortKey="Campillo Funollet, M" uniqKey="Campillo Funollet M">M Campillo-Funollet</name></author><author><name sortKey="Munoz Viveros, Ca" uniqKey="Munoz Viveros C">CA Munoz-Viveros</name></author><author><name sortKey="Giner Tarrida, L" uniqKey="Giner Tarrida L">L Giner-Tarrida</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Al, Hamad Kq" uniqKey="Al H">Hamad KQ Al</name></author><author><name sortKey="Al, Rashdan Ba" uniqKey="Al R">Rashdan BA Al</name></author><author><name sortKey="Abu Sitta, Eh" uniqKey="Abu Sitta E">EH Abu-Sitta</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Potts, Rg" uniqKey="Potts R">RG Potts</name></author><author><name sortKey="Shillingburg, Jr Ht" uniqKey="Shillingburg J">Jr HT Shillingburg</name></author><author><name sortKey="Duncanson, Jr Mg" uniqKey="Duncanson J">Jr MG Duncanson</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Felton, Da" uniqKey="Felton D">DA Felton</name></author><author><name sortKey="Kanoy, B" uniqKey="Kanoy B">B Kanoy</name></author><author><name sortKey="White, Jt" uniqKey="White J">JT White</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Marker, Va" uniqKey="Marker V">VA Marker</name></author><author><name sortKey="Miller, Aw" uniqKey="Miller A">AW Miller</name></author><author><name sortKey="Miller, Bh" uniqKey="Miller B">BH Miller</name></author><author><name sortKey="Swepston, Jh" uniqKey="Swepston J">JH Swepston</name></author></analytic></biblStruct></listBibl></div1></back></TEI><pmc article-type="research-article"><pmc-dir>properties open_access</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-ta">J Dent Res Dent Clin Dent Prospects</journal-id><journal-id journal-id-type="iso-abbrev">J Dent Res Dent Clin Dent Prospects</journal-id><journal-id journal-id-type="publisher-id">Journal of Dental Research, Dental Clinics, Dental Prospects</journal-id><journal-title-group><journal-title>Journal of Dental Research, Dental Clinics, Dental Prospects</journal-title></journal-title-group><issn pub-type="ppub">2008-210X</issn><issn pub-type="epub">2008-2118</issn><publisher><publisher-name>Tabriz University of Medical Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">25973152</article-id><article-id pub-id-type="pmc">4417491</article-id><article-id pub-id-type="doi">10.15171/joddd.2015.007</article-id><article-categories><subj-group subj-group-type="heading"><subject>Original Article</subject></subj-group></article-categories><title-group><article-title>Evaluation of the Effect of Axial Wall Modification and Coping Design on the Retention of Cement-retained Implant-supported Crowns</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Derafshi</surname><given-names>Reza</given-names></name><xref ref-type="aff" rid="A01"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Ahangari</surname><given-names>Ahmad Hasan</given-names></name><xref ref-type="aff" rid="A02"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Torabi</surname><given-names>Kianoosh</given-names></name><xref ref-type="aff" rid="A02"><sup>2</sup></xref><xref ref-type="aff" rid="A03"><sup>3</sup></xref></contrib><contrib contrib-type="author"><name><surname>Farzin</surname><given-names>Mitra</given-names></name><xref ref-type="aff" rid="A02"><sup>2</sup></xref><xref rid="COR1" ref-type="corresp">*</xref></contrib></contrib-group><aff id="A01"><sup>1</sup>Assistant Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran</aff><aff id="A02"><sup>2</sup>Associate Professor, Department of Prosthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran</aff><aff id="A03"><sup>3</sup>Biomaterial Research Center, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran</aff><author-notes><corresp id="COR1"><label>*</label>E-mail:<email>dr.ahangari@yahoo.com</email></corresp></author-notes><pub-date pub-type="ppub"><season>Winter</season><year>2015</year></pub-date><pub-date pub-type="epub"><day>4</day><month>3</month><year>2015</year></pub-date><volume>9</volume><issue>1</issue><fpage>35</fpage><lpage>39</lpage><history><date date-type="received"><day>25</day><month>2</month><year>2013</year></date><date date-type="accepted"><day>26</day><month>2</month><year>2014</year></date></history><permissions><copyright-statement>© 2015 by Tabriz University of Medical Sciences</copyright-statement><copyright-year>2015</copyright-year><license xlink:href="http://creativecommons.org/licenses/by/3.0/" license-type="open-access"><license-p>This is an Open Access article distributed under the terms of the Creative
Commons Attribution 3.0 License<uri xlink:type="simple">(http://creativecommons.org/licenses/by/3.0/)</uri>, which
permits unrestricted use, distribution, and reproduction in any medium, provided the
original work is properly cited.</license-p></license></permissions><self-uri xlink:type="simple" xlink:href="http://dentistry.tbzmed.ac.ir/joddd">This article is available from:
http://dentistry.tbzmed.ac.ir/joddd </self-uri><abstract><p><bold><italic>Background and aims.</italic></bold> Because of compromised angulations of implants, the abutments are sometimes prepared. The purpose of this study was to investigate the effect of removing one wall of the implant abutment on the retention of cement-retained crowns.</p><p><bold><italic>Materials and methods.</italic></bold> Four prefabricated abutments were attached to analogues and embedded in acrylic resin blocks. The first abutment was left intact. Axial walls were partially removed from the remaining abutments to produce abutments with three walls. The screw access channel for the first and second abutments were completely filled with composite resin. For the third and fourth abutments, only partial filling was done. Wax-up models were made by CAD/CAM. Ten cast copings were fabricated for each abutment. The copings of fourth abutment had an extension into the screw access channel. Copings were cemented with Temp Bond. The castings were removed from the abutment using an Instron machine, and the peak removal force was recorded. A one-way ANOVA was used to test for a significant difference followed by the pairwise comparisons.</p><p><bold><italic>Results.</italic></bold> The abutments with opened screw access channel had a significantly higher retention than the two other abutments. The abutment with removed wall and no engagement into the hole by the castings exhibited the highest retention.</p><p><bold><italic>Conclusion.</italic></bold> Preserving the opening of screw access channel significantly increases the retention where one of the axial walls of implant abutments for cement-retained restorations is removed during preparation.</p></abstract><kwd-group><kwd>Dental abutments</kwd><kwd>dental implants</kwd><kwd>dental implant abutment design</kwd><kwd>implant supported</kwd><kwd>retention</kwd></kwd-group></article-meta></front></pmc><affiliations><list><country><li>Iran</li></country></list><tree><country name="Iran"><noRegion><name sortKey="Derafshi, Reza" sort="Derafshi, Reza" uniqKey="Derafshi R" first="Reza" last="Derafshi">Reza Derafshi</name></noRegion><name sortKey="Ahangari, Ahmad Hasan" sort="Ahangari, Ahmad Hasan" uniqKey="Ahangari A" first="Ahmad Hasan" last="Ahangari">Ahmad Hasan Ahangari</name><name sortKey="Farzin, Mitra" sort="Farzin, Mitra" uniqKey="Farzin M" first="Mitra" last="Farzin">Mitra Farzin</name><name sortKey="Torabi, Kianoosh" sort="Torabi, Kianoosh" uniqKey="Torabi K" first="Kianoosh" last="Torabi">Kianoosh Torabi</name><name sortKey="Torabi, Kianoosh" sort="Torabi, Kianoosh" uniqKey="Torabi K" first="Kianoosh" last="Torabi">Kianoosh Torabi</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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