Precision of fit of implant‐supported screw‐retained 10‐unit computer‐aided‐designed and computer‐aided‐manufactured frameworks made from zirconium dioxide and titanium: an in vitro study
Identifieur interne : 000250 ( Istex/Corpus ); précédent : 000249; suivant : 000251Precision of fit of implant‐supported screw‐retained 10‐unit computer‐aided‐designed and computer‐aided‐manufactured frameworks made from zirconium dioxide and titanium: an in vitro study
Auteurs : Joannis Katsoulis ; Regina Mericske-Stern ; Lolita Rotkina ; Christoph Zb Ren ; Norbert Enkling ; Markus B. BlatzSource :
- Clinical Oral Implants Research [ 0905-7161 ] ; 2014-02.
Abstract
To analyze the precision of fit of implant‐supported screw‐retained computer‐aided‐designed and computer‐aided‐manufactured (CAD/CAM) zirconium dioxide (ZrO) frameworks.
Url:
DOI: 10.1111/clr.12039
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<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Precision of fit of implant‐supported screw‐retained 10‐unit computer‐aided‐designed and computer‐aided‐manufactured frameworks made from zirconium dioxide and titanium: an in vitro study</title><author><name sortKey="Katsoulis, Joannis" sort="Katsoulis, Joannis" uniqKey="Katsoulis J" first="Joannis" last="Katsoulis">Joannis Katsoulis</name><affiliation><mods:affiliation>Department of Prosthodontics, School of Dental Medicine, University of Bern, Bern, Switzerland</mods:affiliation></affiliation><affiliation><mods:affiliation>Department of Preventive and Restorative Sciences, School of Dental Medicine, Robert Schattner Center, University of Pennsylvania, PA, Philadelphia, USA</mods:affiliation></affiliation><affiliation><mods:affiliation>Dr. med. dent., MASDepartment of ProsthodonticsSchool of Dental MedicineUniversity of BernFreiburgstrasse 73010 Bern, SwitzerlandTel.: +41 31 632 25 39Fax: +41 31 632 49 33e‐mail:</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: joannis.katsoulis@zmk.unibe.ch</mods:affiliation></affiliation></author><author><name sortKey="Mericske Tern, Regina" sort="Mericske Tern, Regina" uniqKey="Mericske Tern R" first="Regina" last="Mericske-Stern">Regina Mericske-Stern</name><affiliation><mods:affiliation>Department of Prosthodontics, School of Dental Medicine, University of Bern, Bern, Switzerland</mods:affiliation></affiliation></author><author><name sortKey="Rotkina, Lolita" sort="Rotkina, Lolita" uniqKey="Rotkina L" first="Lolita" last="Rotkina">Lolita Rotkina</name><affiliation><mods:affiliation>PENN Regional Nanotechnology Facility, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA, USA</mods:affiliation></affiliation><affiliation><mods:affiliation>Ioffe Institute, St. Petersburg,Russian Federation</mods:affiliation></affiliation></author><author><name sortKey="Zb Ren, Christoph" sort="Zb Ren, Christoph" uniqKey="Zb Ren C" first="Christoph" last="Zb Ren">Christoph Zb Ren</name><affiliation><mods:affiliation>Department of Preventive and Restorative Sciences, School of Dental Medicine, Robert Schattner Center, University of Pennsylvania, PA, Philadelphia, USA</mods:affiliation></affiliation></author><author><name sortKey="Enkling, Norbert" sort="Enkling, Norbert" uniqKey="Enkling N" first="Norbert" last="Enkling">Norbert Enkling</name><affiliation><mods:affiliation>Department of Prosthodontics, School of Dental Medicine, University of Bern, Bern, Switzerland</mods:affiliation></affiliation></author><author><name sortKey="Blatz, Markus B" sort="Blatz, Markus B" uniqKey="Blatz M" first="Markus B." last="Blatz">Markus B. 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Blatz</name><affiliation><mods:affiliation>Department of Preventive and Restorative Sciences, School of Dental Medicine, Robert Schattner Center, University of Pennsylvania, PA, Philadelphia, USA</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Clinical Oral Implants Research</title><title level="j" type="alt">CLINICAL ORAL IMPLANTS RESEARCH</title><idno type="ISSN">0905-7161</idno><idno type="eISSN">1600-0501</idno><imprint><biblScope unit="vol">25</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="165">165</biblScope><biblScope unit="page" to="174">174</biblScope><biblScope unit="page-count">10</biblScope><date type="published" when="2014-02">2014-02</date></imprint><idno type="ISSN">0905-7161</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0905-7161</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract">To analyze the precision of fit of implant‐supported screw‐retained computer‐aided‐designed and computer‐aided‐manufactured (CAD/CAM) zirconium dioxide (ZrO) frameworks.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Joannis Katsoulis</name><affiliations><json:string>Department of Prosthodontics, School of Dental Medicine, University of Bern, Bern, Switzerland</json:string><json:string>Department of Preventive and Restorative Sciences, School of Dental Medicine, Robert Schattner Center, University of Pennsylvania, PA, Philadelphia, USA</json:string><json:string>Dr. med. dent., MASDepartment of ProsthodonticsSchool of Dental MedicineUniversity of BernFreiburgstrasse 73010 Bern, SwitzerlandTel.: +41 31 632 25 39Fax: +41 31 632 49 33e‐mail:</json:string><json:string>E-mail: joannis.katsoulis@zmk.unibe.ch</json:string></affiliations></json:item><json:item><name>Regina Mericske‐Stern</name><affiliations><json:string>Department of Prosthodontics, School of Dental Medicine, University of Bern, Bern, Switzerland</json:string></affiliations></json:item><json:item><name>Lolita Rotkina</name><affiliations><json:string>PENN Regional Nanotechnology Facility, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA, USA</json:string><json:string>Ioffe Institute, St. Petersburg,Russian Federation</json:string></affiliations></json:item><json:item><name>Christoph Zbären</name><affiliations><json:string>Department of Preventive and Restorative Sciences, School of Dental Medicine, Robert Schattner Center, University of Pennsylvania, PA, Philadelphia, USA</json:string></affiliations></json:item><json:item><name>Norbert Enkling</name><affiliations><json:string>Department of Prosthodontics, School of Dental Medicine, University of Bern, Bern, Switzerland</json:string></affiliations></json:item><json:item><name>Markus B. Blatz</name><affiliations><json:string>Department of Preventive and Restorative Sciences, School of Dental Medicine, Robert Schattner Center, University of Pennsylvania, PA, Philadelphia, USA</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>computer‐aided design and computer‐aided manufacturing</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>fixed partial denture</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>framework misfit</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>implant framework fit</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>implant‐supported</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>passive fit</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>zirconium dioxide</value></json:item></subject><articleId><json:string>CLR12039</json:string></articleId><arkIstex>ark:/67375/WNG-9QMMX1Q5-D</arkIstex><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>To analyze the precision of fit of implant‐supported screw‐retained computer‐aided‐designed and computer‐aided‐manufactured (CAD/CAM) zirconium dioxide (ZrO) frameworks.</abstract><qualityIndicators><score>7.204</score><pdfWordCount>7366</pdfWordCount><pdfCharCount>49257</pdfCharCount><pdfVersion>1.7</pdfVersion><pdfPageCount>10</pdfPageCount><pdfPageSize>595.276 x 782.362 pts</pdfPageSize><refBibsNative>true</refBibsNative><abstractWordCount>17</abstractWordCount><abstractCharCount>169</abstractCharCount><keywordCount>7</keywordCount></qualityIndicators><title>Precision of fit of implant‐supported screw‐retained 10‐unit computer‐aided‐designed and computer‐aided‐manufactured frameworks made from zirconium dioxide and titanium: an in vitro study</title><genre><json:string>article</json:string></genre><host><title>Clinical Oral Implants Research</title><language><json:string>unknown</json:string></language><doi><json:string>10.1111/(ISSN)1600-0501</json:string></doi><issn><json:string>0905-7161</json:string></issn><eissn><json:string>1600-0501</json:string></eissn><publisherId><json:string>CLR</json:string></publisherId><volume>25</volume><issue>2</issue><pages><first>165</first><last>174</last><total>10</total></pages><genre><json:string>journal</json:string></genre><subject><json:item><value>Original 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computer‐aided‐manufactured frameworks made from zirconium dioxide and titanium: an <hi rend="italic">in vitro</hi> study</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>Wiley Publishing Ltd</publisher><availability><licence>© 2012 John Wiley & Sons A/S</licence></availability><date type="published" when="2014-02"></date></publicationStmt><notesStmt><note type="content-type" subtype="article" source="article" scheme="https://content-type.data.istex.fr/ark:/67375/XTP-6N5SZHKN-D">article</note><note type="publication-type" subtype="journal" scheme="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</note></notesStmt><sourceDesc><biblStruct type="article"><analytic><title level="a" type="main">Precision of fit of implant‐supported screw‐retained 10‐unit computer‐aided‐designed and computer‐aided‐manufactured frameworks made from zirconium dioxide and titanium: an <hi rend="italic">in vitro</hi> study</title><author xml:id="author-0000" role="corresp"><persName><forename type="first">Joannis</forename><surname>Katsoulis</surname></persName><affiliation><orgName>Department of Prosthodontics</orgName><orgName>School of Dental Medicine</orgName><orgName>University of Bern</orgName><address><settlement type="city">Bern</settlement><country key="CH">Switzerland</country></address></affiliation><affiliation><orgName>Department of Preventive and Restorative Sciences</orgName><orgName>School of Dental Medicine</orgName><orgName>Robert Schattner Center</orgName><orgName>University of Pennsylvania</orgName><address><settlement type="city">Philadelphia</settlement><region>PA</region><country key="US">USA</country></address></affiliation><affiliation>Corresponding author: Joannis Katsoulis Dr. med. dent., MAS Department of Prosthodontics School of Dental Medicine University of Bern Freiburgstrasse 7 3010 Bern, Switzerland Tel.: +41 31 632 25 39 Fax: +41 31 632 49 33 e‐mail: joannis.katsoulis@zmk.unibe.ch</affiliation></author><author xml:id="author-0001"><persName><forename type="first">Regina</forename><surname>Mericske‐Stern</surname></persName><affiliation><orgName>Department of Prosthodontics</orgName><orgName>School of Dental Medicine</orgName><orgName>University of Bern</orgName><address><settlement type="city">Bern</settlement><country key="CH">Switzerland</country></address></affiliation></author><author xml:id="author-0002"><persName><forename type="first">Lolita</forename><surname>Rotkina</surname></persName><affiliation><orgName>PENN Regional Nanotechnology Facility</orgName><orgName>School of Engineering and Applied Science</orgName><orgName>University of Pennsylvania</orgName><address><settlement type="city">Philadelphia</settlement><region>PA</region><country key="US">USA</country></address></affiliation><affiliation><orgName>Ioffe Institute</orgName><orgName>St. Petersburg,Russian Federation</orgName><address><country key="US"></country></address></affiliation></author><author xml:id="author-0003"><persName><forename type="first">Christoph</forename><surname>Zbären</surname></persName><affiliation><orgName>Department of Preventive and Restorative Sciences</orgName><orgName>School of Dental Medicine</orgName><orgName>Robert Schattner Center</orgName><orgName>University of Pennsylvania</orgName><address><settlement type="city">Philadelphia</settlement><region>PA</region><country key="US">USA</country></address></affiliation></author><author xml:id="author-0004"><persName><forename type="first">Norbert</forename><surname>Enkling</surname></persName><affiliation><orgName>Department of Prosthodontics</orgName><orgName>School of Dental Medicine</orgName><orgName>University of Bern</orgName><address><settlement type="city">Bern</settlement><country key="CH">Switzerland</country></address></affiliation></author><author xml:id="author-0005"><persName><forename type="first">Markus B.</forename><surname>Blatz</surname></persName><affiliation><orgName>Department of Preventive and Restorative Sciences</orgName><orgName>School of Dental Medicine</orgName><orgName>Robert Schattner Center</orgName><orgName>University of Pennsylvania</orgName><address><settlement type="city">Philadelphia</settlement><region>PA</region><country key="US">USA</country></address></affiliation></author><idno type="istex">454E3554920B177F4513BE7F20B0941C28F80BA1</idno><idno type="ark">ark:/67375/WNG-9QMMX1Q5-D</idno><idno type="DOI">10.1111/clr.12039</idno><idno type="unit">CLR12039</idno><idno type="toTypesetVersion">file:CLR.CLR12039.pdf</idno></analytic><monogr><title level="j" type="main">Clinical Oral Implants Research</title><title level="j" type="alt">CLINICAL ORAL IMPLANTS RESEARCH</title><idno type="pISSN">0905-7161</idno><idno type="eISSN">1600-0501</idno><idno type="book-DOI">10.1111/(ISSN)1600-0501</idno><idno type="book-part-DOI">10.1111/clr.2014.25.issue-2</idno><idno type="product">CLR</idno><imprint><biblScope unit="vol">25</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="165">165</biblScope><biblScope unit="page" to="174">174</biblScope><biblScope unit="page-count">10</biblScope><date type="published" when="2014-02"></date></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><abstract xml:lang="en" style="main" xml:id="clr12039-abs-0001"><head>Abstract</head>
Objective
<p>To analyze the precision of fit of implant‐supported screw‐retained computer‐aided‐designed and computer‐aided‐manufactured (<hi rend="fc">CAD</hi>/<hi rend="fc">CAM</hi>) zirconium dioxide (<hi rend="fc">Z</hi>rO) frameworks.</p>
Materials and methods
<p>Computer‐aided‐designed and computer‐aided‐manufactured <hi rend="fc">Z</hi>rO frameworks (<hi rend="fc">N</hi>obelProcera<hi rend="superscript">™</hi>) for a screw‐retained 10‐unit implant‐supported reconstruction on six implants (<hi rend="fc">FDI</hi> positions 15, 13, 11, 21, 23, 25) were fabricated using a laser (<hi rend="fc">Z</hi>rO‐<hi rend="fc">L</hi>,<hi rend="italic"> N</hi> = 6) and a mechanical scanner (<hi rend="fc">Z</hi>rO‐<hi rend="fc">M</hi>,<hi rend="italic"> N</hi> = 5) for digitizing the implant platform and the cuspid‐supporting framework resin pattern. Laser‐scanned <hi rend="fc">CAD</hi>/<hi rend="fc">CAM</hi> titanium (<hi rend="fc">TIT</hi>‐L, <hi rend="italic">N</hi> = 6) and cast <hi rend="fc">C</hi>o<hi rend="fc">C</hi>r<hi rend="fc">W</hi>‐alloy frameworks (Cast, <hi rend="italic">N</hi> = 5) fabricated on the same model and designed similar to the <hi rend="fc">Z</hi>r<hi rend="fc">O</hi> frameworks were the control. The one‐screw test (implant 25 screw‐retained) was applied to assess the vertical microgap between implant and framework platform with a scanning electron microscope. The mean microgap was calculated from approximal and buccal values. Statistical comparison was performed with non‐parametric tests.</p>
Results
<p>No statistically significant pairwise difference was observed between the relative effects of vertical microgap between <hi rend="fc">Z</hi>rO‐<hi rend="fc">L</hi> (median 14 μm; 95% <hi rend="fc">CI</hi> 10–26 μm), <hi rend="fc">Z</hi>r<hi rend="fc">O</hi>‐<hi rend="fc">M</hi> (18 μm; 12–27 μm) and <hi rend="fc">TIT</hi>‐<hi rend="fc">L</hi> (15 μm; 6–18 μm), whereas the values of Cast (236 μm; 181–301 μm) were significantly higher (<hi rend="italic">P</hi> < 0.001) than the three <hi rend="fc">CAD</hi>/<hi rend="fc">CAM</hi> groups. A monotonous trend of increasing values from implant 23 to 15 was observed in all groups (<hi rend="fc">Z</hi>r<hi rend="fc">O</hi>‐<hi rend="fc">L</hi>,<hi rend="fc"> Z</hi>r<hi rend="fc">O</hi>‐<hi rend="fc">M</hi> and <hi rend="fc">C</hi>ast <hi rend="italic">P</hi> < 0.001, <hi rend="fc">TIT</hi>‐L <hi rend="italic">P</hi> = 0.044).</p>
Conclusions
<p>Optical and tactile scanners with <hi rend="fc">CAD</hi>/<hi rend="fc">CAM</hi> technology allow for the fabrication of highly accurate long‐span screw‐retained <hi rend="fc">Z</hi>r<hi rend="fc">O</hi> implant‐reconstructions. Titanium frameworks showed the most consistent precision. Fit of the cast alloy frameworks was clinically inacceptable.</p></abstract><textClass><keywords><term xml:id="clr12039-kwd-0001">computer‐aided design and computer‐aided manufacturing</term><term xml:id="clr12039-kwd-0002">fixed partial denture</term><term xml:id="clr12039-kwd-0003">framework misfit</term><term xml:id="clr12039-kwd-0004">implant framework fit</term><term xml:id="clr12039-kwd-0005">implant‐supported</term><term xml:id="clr12039-kwd-0006">passive fit</term><term xml:id="clr12039-kwd-0007">zirconium dioxide</term></keywords><keywords rend="articleCategory"><term>Original Article</term></keywords><keywords rend="tocHeading1"><term>Original Articles</term></keywords></textClass><langUsage><language ident="en"></language></langUsage></profileDesc></teiHeader></istex:fulltextTEI></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component type="serialArticle" version="2.0" xml:id="clr12039" xml:lang="en"><header><publicationMeta level="product"><doi origin="wiley" registered="yes">10.1111/(ISSN)1600-0501</doi><issn type="print">0905-7161</issn><issn type="electronic">1600-0501</issn><idGroup><id type="product" value="CLR"></id></idGroup><titleGroup><title sort="CLINICAL ORAL IMPLANTS RESEARCH" type="main">Clinical Oral Implants Research</title><title type="short">Clin. Oral Impl. Res.</title></titleGroup></publicationMeta><publicationMeta level="part" position="20"><doi origin="wiley">10.1111/clr.2014.25.issue-2</doi><copyright ownership="publisher">Copyright © 2014 John Wiley & Sons Ltd</copyright><numberingGroup><numbering type="journalVolume" number="25">25</numbering><numbering type="journalIssue">2</numbering></numberingGroup><coverDate startDate="2014-02">February 2014</coverDate></publicationMeta><publicationMeta level="unit" position="50" status="forIssue" type="article"><doi>10.1111/clr.12039</doi><idGroup><id type="unit" value="CLR12039"></id></idGroup><countGroup><count number="10" type="pageTotal"></count></countGroup><titleGroup><title type="articleCategory">Original Article</title><title type="tocHeading1">Original Articles</title></titleGroup><copyright ownership="publisher">© 2012 John Wiley & Sons A/S</copyright><eventGroup><event date="2012-08-06" type="manuscriptAccepted"></event><event agent="SPS" date="2012-08-27" type="xmlCreated"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.2.9 mode:FullText" date="2014-01-09"></event><event type="publishedOnlineEarlyUnpaginated" date="2012-10-02"></event><event type="firstOnline" date="2012-10-02"></event><event type="publishedOnlineFinalForm" date="2014-01-09"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.6.4 mode:FullText" date="2015-10-06"></event></eventGroup><numberingGroup><numbering type="pageFirst">165</numbering><numbering type="pageLast">174</numbering></numberingGroup><correspondenceTo><lineatedText><line><b>Corresponding author:</b></line><line><i>Joannis Katsoulis</i> Dr. med. dent., MAS</line><line>Department of Prosthodontics</line><line>School of Dental Medicine</line><line>University of Bern</line><line>Freiburgstrasse 7</line><line>3010 Bern, Switzerland</line><line>Tel.: +41 31 632 25 39</line><line>Fax: +41 31 632 49 33</line><line>e‐mail: <email>joannis.katsoulis@zmk.unibe.ch</email></line></lineatedText></correspondenceTo><selfCitationGroup><citation type="self" xml:id="clr12039-cit-1001"><author><familyName>Katsoulis</familyName> <givenNames>J</givenNames></author>, <author><familyName>Mericske‐Stern</familyName> <givenNames>R</givenNames></author>, <author><familyName>Rotkina</familyName> <givenNames>L</givenNames></author>, <author><familyName>Zbären</familyName> <givenNames>C</givenNames></author>, <author><familyName>Enkling</familyName> <givenNames>N</givenNames></author>, <author><familyName>Blatz</familyName> <givenNames>MB</givenNames></author>. <articleTitle>Precision of fit of implant‐supported screw‐retained 10‐unit computer‐aided‐designed and computer‐aided‐manufactured frameworks made from zirconium dioxide and titanium: an <i>in vitro</i> study</articleTitle>. <journalTitle>Clin. Oral Impl. Res.</journalTitle> <vol>25</vol>, <pubYear year="2014">2014</pubYear>; <pageFirst>165</pageFirst>–<pageLast>174</pageLast>.</citation></selfCitationGroup><linkGroup><link type="toTypesetVersion" href="file:CLR.CLR12039.pdf"></link></linkGroup></publicationMeta><contentMeta><titleGroup><title type="main">Precision of fit of implant‐supported screw‐retained 10‐unit computer‐aided‐designed and computer‐aided‐manufactured frameworks made from zirconium dioxide and titanium: an <i>in vitro</i> study</title><title type="shortAuthors">Katsoulis et al</title></titleGroup><creators><creator affiliationRef="#clr12039-aff-0001 #clr12039-aff-0002" corresponding="yes" creatorRole="author" xml:id="clr12039-cr-0001"><personName><givenNames>Joannis</givenNames> <familyName>Katsoulis</familyName></personName></creator><creator affiliationRef="#clr12039-aff-0001" creatorRole="author" xml:id="clr12039-cr-0002"><personName><givenNames>Regina</givenNames> <familyName>Mericske‐Stern</familyName></personName></creator><creator affiliationRef="#clr12039-aff-0003 #clr12039-aff-0004" creatorRole="author" xml:id="clr12039-cr-0003"><personName><givenNames>Lolita</givenNames> <familyName>Rotkina</familyName></personName></creator><creator affiliationRef="#clr12039-aff-0002" creatorRole="author" xml:id="clr12039-cr-0004"><personName><givenNames>Christoph</givenNames> <familyName>Zbären</familyName></personName></creator><creator affiliationRef="#clr12039-aff-0001" creatorRole="author" xml:id="clr12039-cr-0005"><personName><givenNames>Norbert</givenNames> <familyName>Enkling</familyName></personName></creator><creator affiliationRef="#clr12039-aff-0002" creatorRole="author" xml:id="clr12039-cr-0006"><personName><givenNames>Markus B.</givenNames> <familyName>Blatz</familyName></personName></creator></creators><affiliationGroup><affiliation countryCode="CH" type="organization" xml:id="clr12039-aff-0001"><orgDiv>Department of Prosthodontics</orgDiv> <orgDiv>School of Dental Medicine</orgDiv> <orgName>University of Bern</orgName> <address><city>Bern</city> <country>Switzerland</country></address></affiliation><affiliation countryCode="US" type="organization" xml:id="clr12039-aff-0002"><orgDiv>Department of Preventive and Restorative Sciences</orgDiv> <orgDiv>School of Dental Medicine</orgDiv> <orgName>Robert Schattner Center</orgName> <orgName>University of Pennsylvania</orgName> <address><city>Philadelphia</city> <countryPart>PA</countryPart> <country>USA</country></address></affiliation><affiliation countryCode="US" type="organization" xml:id="clr12039-aff-0003"> <orgDiv>PENN Regional Nanotechnology Facility</orgDiv> <orgDiv>School of Engineering and Applied Science</orgDiv> <orgName>University of Pennsylvania</orgName> <address><city>Philadelphia</city> <countryPart>PA</countryPart> <country>USA</country></address></affiliation><affiliation countryCode="US" type="organization" xml:id="clr12039-aff-0004"> <orgDiv>Ioffe Institute</orgDiv> <orgName>St. Petersburg,Russian Federation</orgName></affiliation></affiliationGroup><keywordGroup type="author"><keyword xml:id="clr12039-kwd-0001">computer‐aided design and computer‐aided manufacturing</keyword><keyword xml:id="clr12039-kwd-0002">fixed partial denture</keyword><keyword xml:id="clr12039-kwd-0003">framework misfit</keyword><keyword xml:id="clr12039-kwd-0004">implant framework fit</keyword><keyword xml:id="clr12039-kwd-0005">implant‐supported</keyword><keyword xml:id="clr12039-kwd-0006">passive fit</keyword><keyword xml:id="clr12039-kwd-0007">zirconium dioxide</keyword></keywordGroup><fundingInfo><fundingAgency>Swiss Dental Association (SSO)</fundingAgency></fundingInfo><abstractGroup><abstract type="main" xml:id="clr12039-abs-0001" xml:lang="en"><title type="main">Abstract</title><section xml:id="clr12039-sec-0001"><title type="main">Objective</title><p>To analyze the precision of fit of implant‐supported screw‐retained computer‐aided‐designed and computer‐aided‐manufactured (<fc>CAD</fc>/<fc>CAM</fc>) zirconium dioxide (<fc>Z</fc>rO) frameworks.</p></section><section xml:id="clr12039-sec-0002"><title type="main">Materials and methods</title><p>Computer‐aided‐designed and computer‐aided‐manufactured <fc>Z</fc>rO frameworks (<fc>N</fc>obelProcera<sup>™</sup>) for a screw‐retained 10‐unit implant‐supported reconstruction on six implants (<fc>FDI</fc> positions 15, 13, 11, 21, 23, 25) were fabricated using a laser (<fc>Z</fc>rO‐<fc>L</fc>,<i> N</i> = 6) and a mechanical scanner (<fc>Z</fc>rO‐<fc>M</fc>,<i> N</i> = 5) for digitizing the implant platform and the cuspid‐supporting framework resin pattern. Laser‐scanned <fc>CAD</fc>/<fc>CAM</fc> titanium (<fc>TIT</fc>‐L, <i>N</i> = 6) and cast <fc>C</fc>o<fc>C</fc>r<fc>W</fc>‐alloy frameworks (Cast, <i>N</i> = 5) fabricated on the same model and designed similar to the <fc>Z</fc>r<fc>O</fc> frameworks were the control. The one‐screw test (implant 25 screw‐retained) was applied to assess the vertical microgap between implant and framework platform with a scanning electron microscope. The mean microgap was calculated from approximal and buccal values. Statistical comparison was performed with non‐parametric tests.</p></section><section xml:id="clr12039-sec-0003"><title type="main">Results</title><p>No statistically significant pairwise difference was observed between the relative effects of vertical microgap between <fc>Z</fc>rO‐<fc>L</fc> (median 14 μm; 95% <fc>CI</fc> 10–26 μm), <fc>Z</fc>r<fc>O</fc>‐<fc>M</fc> (18 μm; 12–27 μm) and <fc>TIT</fc>‐<fc>L</fc> (15 μm; 6–18 μm), whereas the values of Cast (236 μm; 181–301 μm) were significantly higher (<i>P</i> < 0.001) than the three <fc>CAD</fc>/<fc>CAM</fc> groups. A monotonous trend of increasing values from implant 23 to 15 was observed in all groups (<fc>Z</fc>r<fc>O</fc>‐<fc>L</fc>,<fc> Z</fc>r<fc>O</fc>‐<fc>M</fc> and <fc>C</fc>ast <i>P</i> < 0.001, <fc>TIT</fc>‐L <i>P</i> = 0.044).</p></section><section xml:id="clr12039-sec-0004"><title type="main">Conclusions</title><p>Optical and tactile scanners with <fc>CAD</fc>/<fc>CAM</fc> technology allow for the fabrication of highly accurate long‐span screw‐retained <fc>Z</fc>r<fc>O</fc> implant‐reconstructions. Titanium frameworks showed the most consistent precision. Fit of the cast alloy frameworks was clinically inacceptable.</p></section></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Precision of fit of implant‐supported screw‐retained 10‐unit computer‐aided‐designed and computer‐aided‐manufactured frameworks made from zirconium dioxide and titanium: an in vitro study</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Precision of fit of implant‐supported screw‐retained 10‐unit computer‐aided‐designed and computer‐aided‐manufactured frameworks made from zirconium dioxide and titanium: an in vitro study</title></titleInfo><name type="personal"><namePart type="given">Joannis</namePart><namePart type="family">Katsoulis</namePart><affiliation>Department of Prosthodontics, School of Dental Medicine, University of Bern, Bern, Switzerland</affiliation><affiliation>Department of Preventive and Restorative Sciences, School of Dental Medicine, Robert Schattner Center, University of Pennsylvania, PA, Philadelphia, USA</affiliation><affiliation>Dr. med. dent., MASDepartment of ProsthodonticsSchool of Dental MedicineUniversity of BernFreiburgstrasse 73010 Bern, SwitzerlandTel.: +41 31 632 25 39Fax: +41 31 632 49 33e‐mail:</affiliation><affiliation>E-mail: joannis.katsoulis@zmk.unibe.ch</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Regina</namePart><namePart type="family">Mericske‐Stern</namePart><affiliation>Department of Prosthodontics, School of Dental Medicine, University of Bern, Bern, Switzerland</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Lolita</namePart><namePart type="family">Rotkina</namePart><affiliation>PENN Regional Nanotechnology Facility, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA, USA</affiliation><affiliation>Ioffe Institute, St. Petersburg,Russian Federation</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Christoph</namePart><namePart type="family">Zbären</namePart><affiliation>Department of Preventive and Restorative Sciences, School of Dental Medicine, Robert Schattner Center, University of Pennsylvania, PA, Philadelphia, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Norbert</namePart><namePart type="family">Enkling</namePart><affiliation>Department of Prosthodontics, School of Dental Medicine, University of Bern, Bern, Switzerland</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Markus B.</namePart><namePart type="family">Blatz</namePart><affiliation>Department of Preventive and Restorative Sciences, School of Dental Medicine, Robert Schattner Center, University of Pennsylvania, PA, Philadelphia, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article" authority="ISTEX" authorityURI="https://content-type.data.istex.fr" valueURI="https://content-type.data.istex.fr/ark:/67375/XTP-6N5SZHKN-D">article</genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><dateIssued encoding="w3cdtf">2014-02</dateIssued><dateCreated encoding="w3cdtf">2012-08-27</dateCreated><dateValid encoding="w3cdtf">2012-08-06</dateValid><edition>Katsoulis J, Mericske‐Stern R, Rotkina L, Zbären C, Enkling N, Blatz MB. Precision of fit of implant‐supported screw‐retained 10‐unit computer‐aided‐designed and computer‐aided‐manufactured frameworks made from zirconium dioxide and titanium: an in vitro study. Clin. Oral Impl. Res. 25, 2014; 165–174.</edition><copyrightDate encoding="w3cdtf">2014</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><abstract>To analyze the precision of fit of implant‐supported screw‐retained computer‐aided‐designed and computer‐aided‐manufactured (CAD/CAM) zirconium dioxide (ZrO) frameworks.</abstract><abstract>Computer‐aided‐designed and computer‐aided‐manufactured ZrO frameworks (NobelProcera™) for a screw‐retained 10‐unit implant‐supported reconstruction on six implants (FDI positions 15, 13, 11, 21, 23, 25) were fabricated using a laser (ZrO‐L, N = 6) and a mechanical scanner (ZrO‐M, N = 5) for digitizing the implant platform and the cuspid‐supporting framework resin pattern. Laser‐scanned CAD/CAM titanium (TIT‐L, N = 6) and cast CoCrW‐alloy frameworks (Cast, N = 5) fabricated on the same model and designed similar to the ZrO frameworks were the control. The one‐screw test (implant 25 screw‐retained) was applied to assess the vertical microgap between implant and framework platform with a scanning electron microscope. The mean microgap was calculated from approximal and buccal values. Statistical comparison was performed with non‐parametric tests.</abstract><abstract>No statistically significant pairwise difference was observed between the relative effects of vertical microgap between ZrO‐L (median 14 μm; 95% CI 10–26 μm), ZrO‐M (18 μm; 12–27 μm) and TIT‐L (15 μm; 6–18 μm), whereas the values of Cast (236 μm; 181–301 μm) were significantly higher (P < 0.001) than the three CAD/CAM groups. A monotonous trend of increasing values from implant 23 to 15 was observed in all groups (ZrO‐L, ZrO‐M and Cast P < 0.001, TIT‐L P = 0.044).</abstract><abstract>Optical and tactile scanners with CAD/CAM technology allow for the fabrication of highly accurate long‐span screw‐retained ZrO implant‐reconstructions. Titanium frameworks showed the most consistent precision. Fit of the cast alloy frameworks was clinically inacceptable.</abstract><note type="funding">Swiss Dental Association (SSO)</note><subject><genre>keywords</genre><topic>computer‐aided design and computer‐aided manufacturing</topic><topic>fixed partial denture</topic><topic>framework misfit</topic><topic>implant framework fit</topic><topic>implant‐supported</topic><topic>passive fit</topic><topic>zirconium dioxide</topic></subject><relatedItem type="host"><titleInfo><title>Clinical Oral Implants Research</title></titleInfo><titleInfo type="abbreviated"><title>Clin. Oral Impl. Res.</title></titleInfo><genre type="journal" authority="ISTEX" authorityURI="https://publication-type.data.istex.fr" valueURI="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</genre><subject><genre>article-category</genre><topic>Original Article</topic></subject><identifier type="ISSN">0905-7161</identifier><identifier type="eISSN">1600-0501</identifier><identifier type="DOI">10.1111/(ISSN)1600-0501</identifier><identifier type="PublisherID">CLR</identifier><part><date>2014</date><detail type="volume"><caption>vol.</caption><number>25</number></detail><detail type="issue"><caption>no.</caption><number>2</number></detail><extent unit="pages"><start>165</start><end>174</end><total>10</total></extent></part></relatedItem><identifier type="istex">454E3554920B177F4513BE7F20B0941C28F80BA1</identifier><identifier type="ark">ark:/67375/WNG-9QMMX1Q5-D</identifier><identifier type="DOI">10.1111/clr.12039</identifier><identifier type="ArticleID">CLR12039</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2014 John Wiley & Sons Ltd© 2012 John Wiley & Sons A/S</accessCondition><recordInfo><recordContentSource authority="ISTEX" authorityURI="https://loaded-corpus.data.istex.fr" valueURI="https://loaded-corpus.data.istex.fr/ark:/67375/XBH-L0C46X92-X">wiley</recordContentSource></recordInfo></mods><json:item><extension>json</extension><original>false</original><mimetype>application/json</mimetype><uri>https://api.istex.fr/document/454E3554920B177F4513BE7F20B0941C28F80BA1/metadata/json</uri></json:item></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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