A randomized clinical trial comparing guided implant surgery (bone‐ or mucosa‐supported) with mental navigation or the use of a pilot‐drill template
Identifieur interne : 004379 ( Istex/Corpus ); précédent : 004378; suivant : 004380A randomized clinical trial comparing guided implant surgery (bone‐ or mucosa‐supported) with mental navigation or the use of a pilot‐drill template
Auteurs : Marjolein Vercruyssen ; Catherine Cox ; Wim Coucke ; Ignace Naert ; Reinhilde Jacobs ; Marc QuirynenSource :
- Journal of Clinical Periodontology [ 0303-6979 ] ; 2014-07.
Abstract
To assess the accuracy of guided surgery (mucosa and bone‐supported) compared to mental navigation or the use of a surgical template, in fully edentulous jaws, in a randomized controlled study.
Url:
DOI: 10.1111/jcpe.12231
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ISTEX:885EC8BCBE84892A48184373AEE97EA73FE19E4DLe document en format XML
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University Leuven, Leuven, Belgium</mods:affiliation></affiliation></author><author><name sortKey="Coucke, Wim" sort="Coucke, Wim" uniqKey="Coucke W" first="Wim" last="Coucke">Wim Coucke</name><affiliation><mods:affiliation>Clinical Biology, Scientific Institute of Public Health, Brussels, Belgium</mods:affiliation></affiliation></author><author><name sortKey="Naert, Ignace" sort="Naert, Ignace" uniqKey="Naert I" first="Ignace" last="Naert">Ignace Naert</name><affiliation><mods:affiliation>Department of Prosthetic Dentistry, Faculty of Medicine, Catholic University Leuven, Leuven, Belgium</mods:affiliation></affiliation></author><author><name sortKey="Jacobs, Reinhilde" sort="Jacobs, Reinhilde" uniqKey="Jacobs R" first="Reinhilde" last="Jacobs">Reinhilde Jacobs</name><affiliation><mods:affiliation>Oral Imaging Center ‐ omfs impath, Department of Imaging & Pathology, Faculty of Medicine, Catholic University Leuven, Leuven, Belgium</mods:affiliation></affiliation></author><author><name sortKey="Quirynen, Marc" sort="Quirynen, Marc" uniqKey="Quirynen M" first="Marc" last="Quirynen">Marc Quirynen</name><affiliation><mods:affiliation>Department of Periodontology, Faculty of Medicine, Catholic University Leuven, Leuven, Belgium</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:885EC8BCBE84892A48184373AEE97EA73FE19E4D</idno><date when="2014" year="2014">2014</date><idno type="doi">10.1111/jcpe.12231</idno><idno type="url">https://api.istex.fr/document/885EC8BCBE84892A48184373AEE97EA73FE19E4D/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">004379</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">004379</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main">A randomized clinical trial comparing guided implant surgery (bone‐ or mucosa‐supported) with mental navigation or the use of a pilot‐drill template</title><author><name sortKey="Vercruyssen, Marjolein" sort="Vercruyssen, Marjolein" uniqKey="Vercruyssen M" first="Marjolein" last="Vercruyssen">Marjolein Vercruyssen</name><affiliation><mods:affiliation>Department of Periodontology, Faculty of Medicine, Catholic University Leuven, Leuven, Belgium</mods:affiliation></affiliation><affiliation><mods:affiliation>Address:.E‐mail:</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: marjolein.vercruyssen@uzleuven.be</mods:affiliation></affiliation></author><author><name sortKey="Cox, Catherine" sort="Cox, Catherine" uniqKey="Cox C" first="Catherine" last="Cox">Catherine Cox</name><affiliation><mods:affiliation>Department of Periodontology, Faculty of Medicine, Catholic University Leuven, Leuven, Belgium</mods:affiliation></affiliation></author><author><name sortKey="Coucke, Wim" sort="Coucke, Wim" uniqKey="Coucke W" first="Wim" last="Coucke">Wim Coucke</name><affiliation><mods:affiliation>Clinical Biology, Scientific Institute of Public Health, Brussels, Belgium</mods:affiliation></affiliation></author><author><name sortKey="Naert, Ignace" sort="Naert, Ignace" uniqKey="Naert I" first="Ignace" last="Naert">Ignace Naert</name><affiliation><mods:affiliation>Department of Prosthetic Dentistry, Faculty of Medicine, Catholic University Leuven, Leuven, Belgium</mods:affiliation></affiliation></author><author><name sortKey="Jacobs, Reinhilde" sort="Jacobs, Reinhilde" uniqKey="Jacobs R" first="Reinhilde" last="Jacobs">Reinhilde Jacobs</name><affiliation><mods:affiliation>Oral Imaging Center ‐ omfs impath, Department of Imaging & Pathology, Faculty of Medicine, Catholic University Leuven, Leuven, Belgium</mods:affiliation></affiliation></author><author><name sortKey="Quirynen, Marc" sort="Quirynen, Marc" uniqKey="Quirynen M" first="Marc" last="Quirynen">Marc Quirynen</name><affiliation><mods:affiliation>Department of Periodontology, Faculty of Medicine, Catholic University Leuven, Leuven, Belgium</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Journal of Clinical Periodontology</title><title level="j" type="alt">JOURNAL OF CLINICAL PERIODONTOLOGY</title><idno type="ISSN">0303-6979</idno><idno type="eISSN">1600-051X</idno><imprint><biblScope unit="vol">41</biblScope><biblScope unit="issue">7</biblScope><biblScope unit="page" from="717">717</biblScope><biblScope unit="page" to="723">723</biblScope><biblScope unit="page-count">7</biblScope><date type="published" when="2014-07">2014-07</date></imprint><idno type="ISSN">0303-6979</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0303-6979</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract">To assess the accuracy of guided surgery (mucosa and bone‐supported) compared to mental navigation or the use of a surgical template, in fully edentulous jaws, in a randomized controlled 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E‐mail: marjolein.vercruyssen@uzleuven.be</affiliation></author><author xml:id="author-0001"><persName><forename type="first">Catherine</forename><surname>Cox</surname></persName><affiliation><orgName>Department of Periodontology</orgName><orgName>Faculty of Medicine</orgName><orgName>Catholic University Leuven</orgName><address><settlement type="city">Leuven</settlement><country key="BE">Belgium</country></address></affiliation></author><author xml:id="author-0002"><persName><forename type="first">Wim</forename><surname>Coucke</surname></persName><affiliation><orgName>Clinical Biology</orgName><orgName>Scientific Institute of Public Health</orgName><address><settlement type="city">Brussels</settlement><country key="BE">Belgium</country></address></affiliation></author><author xml:id="author-0003"><persName><forename type="first">Ignace</forename><surname>Naert</surname></persName><affiliation><orgName>Department of Prosthetic Dentistry</orgName><orgName>Faculty of Medicine</orgName><orgName>Catholic University Leuven</orgName><address><settlement type="city">Leuven</settlement><country key="BE">Belgium</country></address></affiliation></author><author xml:id="author-0004"><persName><forename type="first">Reinhilde</forename><surname>Jacobs</surname></persName><affiliation><orgName>Oral Imaging Center ‐ omfs impath</orgName><orgName>Department of Imaging & Pathology</orgName><orgName>Faculty of Medicine</orgName><orgName>Catholic University Leuven</orgName><address><settlement type="city">Leuven</settlement><country key="BE">Belgium</country></address></affiliation></author><author xml:id="author-0005"><persName><forename type="first">Marc</forename><surname>Quirynen</surname></persName><affiliation><orgName>Department of Periodontology</orgName><orgName>Faculty of Medicine</orgName><orgName>Catholic University Leuven</orgName><address><settlement type="city">Leuven</settlement><country key="BE">Belgium</country></address></affiliation></author><idno type="istex">885EC8BCBE84892A48184373AEE97EA73FE19E4D</idno><idno type="ark">ark:/67375/WNG-DWQXDR22-D</idno><idno type="DOI">10.1111/jcpe.12231</idno><idno type="unit">JCPE12231</idno><idno type="toTypesetVersion">file:JCPE.JCPE12231.pdf</idno></analytic><monogr><title level="j" type="main">Journal of Clinical Periodontology</title><title level="j" type="alt">JOURNAL OF CLINICAL PERIODONTOLOGY</title><idno type="pISSN">0303-6979</idno><idno type="eISSN">1600-051X</idno><idno type="book-DOI">10.1111/(ISSN)1600-051X</idno><idno type="book-part-DOI">10.1111/jcpe.2014.41.issue-7</idno><idno type="product">JCPE</idno><imprint><biblScope unit="vol">41</biblScope><biblScope unit="issue">7</biblScope><biblScope unit="page" from="717">717</biblScope><biblScope unit="page" to="723">723</biblScope><biblScope unit="page-count">7</biblScope><date type="published" when="2014-07"></date></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><abstract style="main" xml:id="jcpe12231-abs-0001"><head>Abstract</head>
Aim
<p>To assess the accuracy of guided surgery (mucosa and bone‐supported) compared to mental navigation or the use of a surgical template, in fully edentulous jaws, in a randomized controlled study.</p>
Material and Methods
<p>Fifty‐nine patients (72 jaws), requiring four to six implants (maxilla or mandible), were consecutively recruited and randomly assigned to one of the following treatment groups; guidance via Materialise Universal<hi rend="superscript">®</hi>/mucosa, Materialise Universal<hi rend="superscript">®</hi>/bone, Facilitate™/mucosa, Facilitate™/bone, or mental navigation or a pilot‐drill template. The precision was assessed by matching the planning computed tomography (<hi rend="fc">CT</hi>) with a post‐operative cone beam CT.</p>
Results
<p>A significant lower mean deviation at the entry point (1.4 mm, range: 0.3–3.7), at the apex (1.6 mm, range: 0.2–3.7) and angular deviation (3.0°, range: 0.2–16°) was observed for the guiding systems when compared to mental navigation (2.7 mm, range: 0.3–8.3; 2.9 mm, range: 0.5–7.4 and 9.9°, range: 1.5–27.8) and to the surgical template group (3.0 mm, range: 0.6–6.6; 3.4 mm, range: 0.3–7.5 and 8.4°, range: 0.6–21.3°). Differences between bone and mucosa support or type of guidance were negligible. Jaw and implant location (posterior–anterior, left–right), however, had a significant influence on the accuracy when guided.</p>
Conclusion
<p>Based on these findings, guided implant placement appears to offer clear accuracy benefits.</p></abstract><textClass><keywords><term xml:id="jcpe12231-kwd-0001">accuracy</term><term xml:id="jcpe12231-kwd-0002">dental implant</term><term xml:id="jcpe12231-kwd-0003">stereolitography</term><term xml:id="jcpe12231-kwd-0004">surgical template</term><term xml:id="jcpe12231-kwd-0005">three‐dimensional imaging</term></keywords><keywords rend="articleCategory"><term>Randomized Clinical Trial</term></keywords><keywords rend="tocHeading1"><term>Implant Therapy</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="jcpe12231" xml:lang="en"><header><publicationMeta level="product"><doi origin="wiley" registered="yes">10.1111/(ISSN)1600-051X</doi><issn type="print">0303-6979</issn><issn type="electronic">1600-051X</issn><idGroup><id type="product" value="JCPE"></id></idGroup><titleGroup><title sort="JOURNAL OF CLINICAL PERIODONTOLOGY" type="main">Journal of Clinical Periodontology</title><title type="short">J Clin Periodontol</title></titleGroup></publicationMeta><publicationMeta level="part" position="70"><doi origin="wiley">10.1111/jcpe.2014.41.issue-7</doi><copyright ownership="publisher">Copyright © 2014 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd</copyright><numberingGroup><numbering number="41" type="journalVolume">41</numbering><numbering type="journalIssue">7</numbering></numberingGroup><coverDate startDate="2014-07">July 2014</coverDate></publicationMeta><publicationMeta level="unit" position="100" status="forIssue" type="article"><doi>10.1111/jcpe.12231</doi><idGroup><id type="unit" value="JCPE12231"></id></idGroup><countGroup><count number="7" type="pageTotal"></count></countGroup><titleGroup><title type="articleCategory">Randomized Clinical Trial</title><title type="tocHeading1">Implant Therapy</title></titleGroup><copyright ownership="publisher">© 2014 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd</copyright><eventGroup><event date="2014-01-18" type="manuscriptAccepted"></event><event agent="SPS" date="2014-01-31" type="xmlCreated"></event><event type="publishedOnlineAccepted" date="2014-01-26"></event><event type="publishedOnlineEarlyUnpaginated" date="2014-04-10"></event><event type="publishedOnlineFinalForm" date="2014-06-12"></event><event type="firstOnline" date="2014-04-10"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.6.4 mode:FullText" date="2015-10-08"></event></eventGroup><numberingGroup><numbering type="pageFirst">717</numbering><numbering type="pageLast">723</numbering></numberingGroup><correspondenceTo><lineatedText><line>Address:</line><line><i>Marjolein Vercruyssen</i></line><line><i>Department of Periodontology</i></line><line><i>Catholic University Leuven</i></line><line><i>Kapucijnenvoer 7</i></line><line><i>Leuven</i></line><line><i>Belgium</i>.</line><line>E‐mail: <email>marjolein.vercruyssen@uzleuven.be</email></line></lineatedText></correspondenceTo><selfCitationGroup><citation type="self" xml:id="jcpe12231-cit-1001"><author><familyName>Vercruyssen</familyName> <givenNames>M</givenNames></author>, <author><familyName>Cox</familyName> <givenNames>C</givenNames></author>, <author><familyName>Coucke</familyName> <givenNames>W</givenNames></author>, <author><familyName>Naert</familyName> <givenNames>I</givenNames></author>, <author><familyName>Jacobs</familyName> <givenNames>R</givenNames></author>, <author><familyName>Quirynen</familyName> <givenNames>M</givenNames></author>. <articleTitle>A randomized clinical trial comparing guided implant surgery (bone or mucosa supported) with mental navigation or the use of a pilot‐drill template</articleTitle>. <journalTitle>J Clin Periodontol</journalTitle> <pubYear year="2014">2014</pubYear>; <vol>41</vol>: <pageFirst>717</pageFirst>–<pageLast>723</pageLast>. doi: <accessionId ref="info:doi/10.1111/jcpe.12231">10.1111/jcpe.12231</accessionId>.</citation></selfCitationGroup><linkGroup><link type="toTypesetVersion" href="file:JCPE.JCPE12231.pdf"></link></linkGroup></publicationMeta><contentMeta><titleGroup><title type="main">A randomized clinical trial comparing guided implant surgery (bone‐ or mucosa‐supported) with mental navigation or the use of a pilot‐drill template</title><title type="shortAuthors">Vercruyssen et al.</title></titleGroup><creators><creator affiliationRef="#jcpe12231-aff-0001" corresponding="yes" creatorRole="author" xml:id="jcpe12231-cr-0001"><personName><givenNames>Marjolein</givenNames> <familyName>Vercruyssen</familyName></personName></creator><creator affiliationRef="#jcpe12231-aff-0001" creatorRole="author" xml:id="jcpe12231-cr-0002"><personName><givenNames>Catherine</givenNames> <familyName>Cox</familyName></personName></creator><creator affiliationRef="#jcpe12231-aff-0002" creatorRole="author" xml:id="jcpe12231-cr-0003"><personName><givenNames>Wim</givenNames> <familyName>Coucke</familyName></personName></creator><creator affiliationRef="#jcpe12231-aff-0003" creatorRole="author" xml:id="jcpe12231-cr-0004"><personName><givenNames>Ignace</givenNames> <familyName>Naert</familyName></personName></creator><creator affiliationRef="#jcpe12231-aff-0004" creatorRole="author" xml:id="jcpe12231-cr-0005"><personName><givenNames>Reinhilde</givenNames> <familyName>Jacobs</familyName></personName></creator><creator affiliationRef="#jcpe12231-aff-0001" creatorRole="author" xml:id="jcpe12231-cr-0006"><personName><givenNames>Marc</givenNames> <familyName>Quirynen</familyName></personName></creator></creators><affiliationGroup><affiliation countryCode="BE" type="organization" xml:id="jcpe12231-aff-0001"><orgDiv>Department of Periodontology</orgDiv> <orgDiv>Faculty of Medicine</orgDiv> <orgName>Catholic University Leuven</orgName> <address><city>Leuven</city> <country>Belgium</country></address></affiliation><affiliation countryCode="BE" type="organization" xml:id="jcpe12231-aff-0002"><orgDiv>Clinical Biology</orgDiv> <orgName>Scientific Institute of Public Health</orgName> <address><city>Brussels</city> <country>Belgium</country></address></affiliation><affiliation countryCode="BE" type="organization" xml:id="jcpe12231-aff-0003"><orgDiv>Department of Prosthetic Dentistry</orgDiv> <orgDiv>Faculty of Medicine</orgDiv> <orgName>Catholic University Leuven</orgName> <address><city>Leuven</city> <country>Belgium</country></address></affiliation><affiliation countryCode="BE" type="organization" xml:id="jcpe12231-aff-0004"><orgDiv>Oral Imaging Center ‐ omfs impath</orgDiv> <orgDiv>Department of Imaging & Pathology</orgDiv> <orgDiv>Faculty of Medicine</orgDiv> <orgName>Catholic University Leuven</orgName> <address><city>Leuven</city> <country>Belgium</country></address></affiliation></affiliationGroup><keywordGroup type="author"><keyword xml:id="jcpe12231-kwd-0001">accuracy</keyword><keyword xml:id="jcpe12231-kwd-0002">dental implant</keyword><keyword xml:id="jcpe12231-kwd-0003">stereolitography</keyword><keyword xml:id="jcpe12231-kwd-0004">surgical template</keyword><keyword xml:id="jcpe12231-kwd-0005">three‐dimensional imaging</keyword></keywordGroup><abstractGroup><abstract type="main" xml:id="jcpe12231-abs-0001"><title type="main">Abstract</title><section xml:id="jcpe12231-sec-0001"><title type="main">Aim</title><p>To assess the accuracy of guided surgery (mucosa and bone‐supported) compared to mental navigation or the use of a surgical template, in fully edentulous jaws, in a randomized controlled study.</p></section><section xml:id="jcpe12231-sec-0002"><title type="main">Material and Methods</title><p>Fifty‐nine patients (72 jaws), requiring four to six implants (maxilla or mandible), were consecutively recruited and randomly assigned to one of the following treatment groups; guidance via Materialise Universal<sup>®</sup>/mucosa, Materialise Universal<sup>®</sup>/bone, Facilitate™/mucosa, Facilitate™/bone, or mental navigation or a pilot‐drill template. The precision was assessed by matching the planning computed tomography (<fc>CT</fc>) with a post‐operative cone beam CT.</p></section><section xml:id="jcpe12231-sec-0003"><title type="main">Results</title><p>A significant lower mean deviation at the entry point (1.4 mm, range: 0.3–3.7), at the apex (1.6 mm, range: 0.2–3.7) and angular deviation (3.0°, range: 0.2–16°) was observed for the guiding systems when compared to mental navigation (2.7 mm, range: 0.3–8.3; 2.9 mm, range: 0.5–7.4 and 9.9°, range: 1.5–27.8) and to the surgical template group (3.0 mm, range: 0.6–6.6; 3.4 mm, range: 0.3–7.5 and 8.4°, range: 0.6–21.3°). Differences between bone and mucosa support or type of guidance were negligible. Jaw and implant location (posterior–anterior, left–right), however, had a significant influence on the accuracy when guided.</p></section><section xml:id="jcpe12231-sec-0004"><title type="main">Conclusion</title><p>Based on these findings, guided implant placement appears to offer clear accuracy benefits.</p></section></abstract></abstractGroup></contentMeta><noteGroup xml:id="jcpe12227-ntgp-0001"><note numbered="no" xml:id="jcpe12231-note-0001"><p><b>Conflict of interest and source of funding statement</b></p><p>There are no conflicts of interest.</p></note><note numbered="no" xml:id="jcpe12231-note-0002"><p>Oral implants were delivered free of charge by the Astra Tech Company (Mölndal, Sweden), stereolithographic guides were delivered free of charge by the Materialise Dental Company (Leuven, Belgium).</p></note></noteGroup></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>A randomized clinical trial comparing guided implant surgery (bone‐ or mucosa‐supported) with mental navigation or the use of a pilot‐drill template</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>A randomized clinical trial comparing guided implant surgery (bone‐ or mucosa‐supported) with mental navigation or the use of a pilot‐drill template</title></titleInfo><name type="personal"><namePart type="given">Marjolein</namePart><namePart type="family">Vercruyssen</namePart><affiliation>Department of Periodontology, Faculty of Medicine, Catholic University Leuven, Leuven, Belgium</affiliation><affiliation>Address:.E‐mail:</affiliation><affiliation>E-mail: marjolein.vercruyssen@uzleuven.be</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Catherine</namePart><namePart type="family">Cox</namePart><affiliation>Department of Periodontology, Faculty of Medicine, Catholic University Leuven, Leuven, Belgium</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Wim</namePart><namePart type="family">Coucke</namePart><affiliation>Clinical Biology, Scientific Institute of Public Health, Brussels, Belgium</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Ignace</namePart><namePart type="family">Naert</namePart><affiliation>Department of Prosthetic Dentistry, Faculty of Medicine, Catholic University Leuven, Leuven, Belgium</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Reinhilde</namePart><namePart type="family">Jacobs</namePart><affiliation>Oral Imaging Center ‐ omfs impath, Department of Imaging & Pathology, Faculty of Medicine, Catholic University Leuven, Leuven, Belgium</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Marc</namePart><namePart type="family">Quirynen</namePart><affiliation>Department of Periodontology, Faculty of Medicine, Catholic University Leuven, Leuven, Belgium</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">2014-07</dateIssued><dateCreated encoding="w3cdtf">2014-01-31</dateCreated><dateValid encoding="w3cdtf">2014-01-18</dateValid><edition>Vercruyssen M, Cox C, Coucke W, Naert I, Jacobs R, Quirynen M. A randomized clinical trial comparing guided implant surgery (bone or mucosa supported) with mental navigation or the use of a pilot‐drill template. J Clin Periodontol 2014; 41: 717–723. doi: 10.1111/jcpe.12231.</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 assess the accuracy of guided surgery (mucosa and bone‐supported) compared to mental navigation or the use of a surgical template, in fully edentulous jaws, in a randomized controlled study.</abstract><abstract>Fifty‐nine patients (72 jaws), requiring four to six implants (maxilla or mandible), were consecutively recruited and randomly assigned to one of the following treatment groups; guidance via Materialise Universal®/mucosa, Materialise Universal®/bone, Facilitate™/mucosa, Facilitate™/bone, or mental navigation or a pilot‐drill template. The precision was assessed by matching the planning computed tomography (CT) with a post‐operative cone beam CT.</abstract><abstract>A significant lower mean deviation at the entry point (1.4 mm, range: 0.3–3.7), at the apex (1.6 mm, range: 0.2–3.7) and angular deviation (3.0°, range: 0.2–16°) was observed for the guiding systems when compared to mental navigation (2.7 mm, range: 0.3–8.3; 2.9 mm, range: 0.5–7.4 and 9.9°, range: 1.5–27.8) and to the surgical template group (3.0 mm, range: 0.6–6.6; 3.4 mm, range: 0.3–7.5 and 8.4°, range: 0.6–21.3°). Differences between bone and mucosa support or type of guidance were negligible. Jaw and implant location (posterior–anterior, left–right), however, had a significant influence on the accuracy when guided.</abstract><abstract>Based on these findings, guided implant placement appears to offer clear accuracy benefits.</abstract><subject><genre>keywords</genre><topic>accuracy</topic><topic>dental implant</topic><topic>stereolitography</topic><topic>surgical template</topic><topic>three‐dimensional imaging</topic></subject><relatedItem type="host"><titleInfo><title>Journal of Clinical Periodontology</title></titleInfo><titleInfo type="abbreviated"><title>J Clin Periodontol</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>Randomized Clinical Trial</topic></subject><identifier type="ISSN">0303-6979</identifier><identifier type="eISSN">1600-051X</identifier><identifier type="DOI">10.1111/(ISSN)1600-051X</identifier><identifier type="PublisherID">JCPE</identifier><part><date>2014</date><detail type="volume"><caption>vol.</caption><number>41</number></detail><detail type="issue"><caption>no.</caption><number>7</number></detail><extent unit="pages"><start>717</start><end>723</end><total>7</total></extent></part></relatedItem><identifier type="istex">885EC8BCBE84892A48184373AEE97EA73FE19E4D</identifier><identifier type="ark">ark:/67375/WNG-DWQXDR22-D</identifier><identifier type="DOI">10.1111/jcpe.12231</identifier><identifier type="ArticleID">JCPE12231</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2014 John Wiley & Sons A/S. 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