Clinical Outcome of Dental Implants Placed with High Insertion Torques (Up to 176 Ncm)
Identifieur interne : 001250 ( Istex/Corpus ); précédent : 001249; suivant : 001251Clinical Outcome of Dental Implants Placed with High Insertion Torques (Up to 176 Ncm)
Auteurs : Philippe G. Khayat ; Hélène M. Arnal ; Bahige I. Tourbah ; Lars SennerbySource :
- Clinical Implant Dentistry and Related Research [ 1523-0899 ] ; 2013-04.
English descriptors
- KwdEn :
- Assistant professor, Average insertion torque, Bone injury, Bone levels, Bone quality, Bone resorption, Clin, Clin implant dent relat, Clin periodontol, Clinical implant dentistry, Clinical outcome, Clinical study, Control group, Dent, Dental implants, Dentistry, Edentulous patients, Experimental group, Healing period, High insertion torque, High insertion torques, High torque, Immediate loading, Implant, Implant geometry, Implant placement, Implant stability, Implant surface, Implant surgery, Initial stability, Insertion, Insertion torque, Insertion torque values, Insertion torques, Localized bone, Marginal bone levels, Marginal bone loss, Marginal bone resorption, Maxillofac, Maximum insertion torques, Oral maxillofac implants, Osseointegrated implants, Preliminary report, Present study, Primary implant stability, Primary stability, Private practice, Prospective study, Prosthet dent, Quartile analysis, Range years, Removal torque, Resonance frequency measurements, Resonance frequency values, Resorption, Sennerby, Study implants, Tapered implant design, Tapered implants, Torque, Torque measurement.
- Teeft :
- Assistant professor, Average insertion torque, Bone injury, Bone levels, Bone quality, Bone resorption, Clin, Clin implant dent relat, Clin periodontol, Clinical implant dentistry, Clinical outcome, Clinical study, Control group, Dent, Dental implants, Dentistry, Edentulous patients, Experimental group, Healing period, High insertion torque, High insertion torques, High torque, Immediate loading, Implant, Implant geometry, Implant placement, Implant stability, Implant surface, Implant surgery, Initial stability, Insertion, Insertion torque, Insertion torque values, Insertion torques, Localized bone, Marginal bone levels, Marginal bone loss, Marginal bone resorption, Maxillofac, Maximum insertion torques, Oral maxillofac implants, Osseointegrated implants, Preliminary report, Present study, Primary implant stability, Primary stability, Private practice, Prospective study, Prosthet dent, Quartile analysis, Range years, Removal torque, Resonance frequency measurements, Resonance frequency values, Resorption, Sennerby, Study implants, Tapered implant design, Tapered implants, Torque, Torque measurement.
Abstract
Background: Primary stability can be improved by using a tapered implant in a slightly underprepared implant site. This may lead to high compression forces and elevated insertion torques. It has been postulated that disturbance of the local microcirculation may occur, leading to necrosis of the osteocytes and bone resorption.
Url:
DOI: 10.1111/j.1708-8208.2011.00351.x
Links to Exploration step
ISTEX:25C4F49498C63A011F372E45C587B45F2074BFD9Le document en format XML
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Khayat</name><affiliation><mods:affiliation>Affiliate associate professor, Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, Washington, and private practice, Paris, France;</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: phkhayat@hotmail.com</mods:affiliation></affiliation></author><author><name sortKey="Arnal, Helene M" sort="Arnal, Helene M" uniqKey="Arnal H" first="Hélène M." last="Arnal">Hélène M. Arnal</name><affiliation><mods:affiliation>assistant professor, Department of Oral Surgery, University of Paris, and private practice, Paris, France;</mods:affiliation></affiliation></author><author><name sortKey="Tourbah, Bahige I" sort="Tourbah, Bahige I" uniqKey="Tourbah B" first="Bahige I." last="Tourbah">Bahige I. 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torque</term><term>Immediate loading</term><term>Implant</term><term>Implant geometry</term><term>Implant placement</term><term>Implant stability</term><term>Implant surface</term><term>Implant surgery</term><term>Initial stability</term><term>Insertion</term><term>Insertion torque</term><term>Insertion torque values</term><term>Insertion torques</term><term>Localized bone</term><term>Marginal bone levels</term><term>Marginal bone loss</term><term>Marginal bone resorption</term><term>Maxillofac</term><term>Maximum insertion torques</term><term>Oral maxillofac implants</term><term>Osseointegrated implants</term><term>Preliminary report</term><term>Present study</term><term>Primary implant stability</term><term>Primary stability</term><term>Private practice</term><term>Prospective study</term><term>Prosthet dent</term><term>Quartile analysis</term><term>Range years</term><term>Removal torque</term><term>Resonance frequency measurements</term><term>Resonance frequency 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stability</term><term>Implant surface</term><term>Implant surgery</term><term>Initial stability</term><term>Insertion</term><term>Insertion torque</term><term>Insertion torque values</term><term>Insertion torques</term><term>Localized bone</term><term>Marginal bone levels</term><term>Marginal bone loss</term><term>Marginal bone resorption</term><term>Maxillofac</term><term>Maximum insertion torques</term><term>Oral maxillofac implants</term><term>Osseointegrated implants</term><term>Preliminary report</term><term>Present study</term><term>Primary implant stability</term><term>Primary stability</term><term>Private practice</term><term>Prospective study</term><term>Prosthet dent</term><term>Quartile analysis</term><term>Range years</term><term>Removal torque</term><term>Resonance frequency measurements</term><term>Resonance frequency values</term><term>Resorption</term><term>Sennerby</term><term>Study implants</term><term>Tapered implant design</term><term>Tapered 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This may lead to high compression forces and elevated insertion torques. It has been postulated that disturbance of the local microcirculation may occur, leading to necrosis of the osteocytes and bone resorption.</div></front></TEI><istex><corpusName>wiley</corpusName><keywords><teeft><json:string>implant</json:string><json:string>insertion</json:string><json:string>clin</json:string><json:string>maxillofac</json:string><json:string>oral maxillofac implants</json:string><json:string>insertion torque</json:string><json:string>resorption</json:string><json:string>immediate loading</json:string><json:string>torque</json:string><json:string>primary stability</json:string><json:string>sennerby</json:string><json:string>implant stability</json:string><json:string>implant placement</json:string><json:string>clin implant dent relat</json:string><json:string>experimental group</json:string><json:string>high insertion torques</json:string><json:string>marginal bone resorption</json:string><json:string>control group</json:string><json:string>insertion torque values</json:string><json:string>bone resorption</json:string><json:string>insertion torques</json:string><json:string>dentistry</json:string><json:string>present study</json:string><json:string>clinical implant dentistry</json:string><json:string>private practice</json:string><json:string>marginal bone loss</json:string><json:string>range years</json:string><json:string>maximum insertion torques</json:string><json:string>resonance frequency values</json:string><json:string>high insertion torque</json:string><json:string>dental implants</json:string><json:string>marginal bone levels</json:string><json:string>bone quality</json:string><json:string>clinical outcome</json:string><json:string>dent</json:string><json:string>bone injury</json:string><json:string>edentulous patients</json:string><json:string>tapered implants</json:string><json:string>torque measurement</json:string><json:string>implant surgery</json:string><json:string>healing period</json:string><json:string>clin periodontol</json:string><json:string>high torque</json:string><json:string>assistant professor</json:string><json:string>quartile analysis</json:string><json:string>primary implant stability</json:string><json:string>osseointegrated implants</json:string><json:string>bone levels</json:string><json:string>implant surface</json:string><json:string>implant geometry</json:string><json:string>tapered implant design</json:string><json:string>initial stability</json:string><json:string>localized bone</json:string><json:string>prospective study</json:string><json:string>study implants</json:string><json:string>resonance frequency measurements</json:string><json:string>removal torque</json:string><json:string>preliminary report</json:string><json:string>clinical study</json:string><json:string>prosthet dent</json:string><json:string>average insertion torque</json:string></teeft></keywords><author><json:item><name>Philippe G. Khayat DCD, MScD</name><affiliations><json:string>Affiliate associate professor, Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, Washington, and private practice, Paris, France;</json:string><json:string>E-mail: phkhayat@hotmail.com</json:string></affiliations></json:item><json:item><name>Hélène M. Arnal DCD, DESCB</name><affiliations><json:string>assistant professor, Department of Oral Surgery, University of Paris, and private practice, Paris, France;</json:string></affiliations></json:item><json:item><name>Bahige I. Tourbah DCD, CES</name><affiliations><json:string>assistant professor, Department of Functional Anatomy, University of Paris, and private practice, Paris, France;</json:string></affiliations></json:item><json:item><name>Lars Sennerby DDS, PhD</name><affiliations><json:string>professor, Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Göteborg, Göteborg, Sweden</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>crestal bone</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>implant</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>insertion torque</value></json:item></subject><articleId><json:string>CID351</json:string></articleId><arkIstex>ark:/67375/WNG-WFT4BW1F-3</arkIstex><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>Background: Primary stability can be improved by using a tapered implant in a slightly underprepared implant site. This may lead to high compression forces and elevated insertion torques. It has been postulated that disturbance of the local microcirculation may occur, leading to necrosis of the osteocytes and bone resorption.</abstract><qualityIndicators><score>6.283</score><pdfWordCount>3695</pdfWordCount><pdfCharCount>23679</pdfCharCount><pdfVersion>1.3</pdfVersion><pdfPageCount>7</pdfPageCount><pdfPageSize>585 x 783 pts</pdfPageSize><refBibsNative>true</refBibsNative><abstractWordCount>49</abstractWordCount><abstractCharCount>327</abstractCharCount><keywordCount>3</keywordCount></qualityIndicators><title>Clinical Outcome of Dental Implants Placed with High Insertion Torques (Up to 176 Ncm)</title><pmid><json:string>21599832</json:string></pmid><genre><json:string>article</json:string></genre><host><title>Clinical Implant Dentistry and Related Research</title><language><json:string>unknown</json:string></language><doi><json:string>10.1111/(ISSN)1708-8208</json:string></doi><issn><json:string>1523-0899</json:string></issn><eissn><json:string>1708-8208</json:string></eissn><publisherId><json:string>CID</json:string></publisherId><volume>15</volume><issue>2</issue><pages><first>227</first><last>233</last><total>7</total></pages><genre><json:string>journal</json:string></genre><subject><json:item><value>ARTICLE</value></json:item></subject></host><namedEntities><unitex><date><json:string>2013</json:string></date><geogName></geogName><orgName><json:string>Related Research, Volume</json:string></orgName><orgName_funder></orgName_funder><orgName_provider></orgName_provider><persName><json:string>Age</json:string><json:string>I. Tourbah</json:string><json:string>Selection</json:string><json:string>Study</json:string><json:string>Hélène M. Arnal</json:string><json:string>Lars Sennerby</json:string></persName><placeName><json:string>Germany</json:string><json:string>Mannheim</json:string><json:string>Somerville</json:string><json:string>USA</json:string><json:string>Japan</json:string><json:string>Tokyo</json:string><json:string>NJ</json:string><json:string>Pistoia</json:string><json:string>Italy</json:string><json:string>Sweden</json:string></placeName><ref_url></ref_url><ref_bibl><json:string>Neugebauer et al.</json:string><json:string>Calandriello et al.</json:string><json:string>Niimi et al.</json:string><json:string>Ueda et al.</json:string><json:string>Albrektsson et al.</json:string><json:string>Sullivan et al.</json:string><json:string>Rabel et al.</json:string><json:string>Ottoni et al.</json:string><json:string>Nikellis et al.</json:string></ref_bibl><bibl></bibl></unitex></namedEntities><ark><json:string>ark:/67375/WNG-WFT4BW1F-3</json:string></ark><categories><wos><json:string>1 - science</json:string><json:string>2 - dentistry, oral surgery & medicine</json:string></wos><scienceMetrix><json:string>1 - health sciences</json:string><json:string>2 - clinical medicine</json:string><json:string>3 - dentistry</json:string></scienceMetrix><scopus><json:string>1 - Health Sciences</json:string><json:string>2 - Dentistry</json:string><json:string>3 - General Dentistry</json:string><json:string>1 - Health Sciences</json:string><json:string>2 - Dentistry</json:string><json:string>3 - Oral Surgery</json:string></scopus></categories><publicationDate>2013</publicationDate><copyrightDate>2013</copyrightDate><doi><json:string>10.1111/j.1708-8208.2011.00351.x</json:string></doi><id>25C4F49498C63A011F372E45C587B45F2074BFD9</id><score>1</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/25C4F49498C63A011F372E45C587B45F2074BFD9/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/25C4F49498C63A011F372E45C587B45F2074BFD9/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/25C4F49498C63A011F372E45C587B45F2074BFD9/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main">Clinical Outcome of Dental Implants Placed with High Insertion Torques (Up to 176 Ncm)</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><availability><licence>© 2011 Wiley Periodicals, Inc.</licence></availability><date type="published" when="2013-04"></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">Clinical Outcome of Dental Implants Placed with High Insertion Torques (Up to 176 Ncm)</title><title level="a" type="short">High Insertion Torques</title><author xml:id="author-0000" role="corresp"><persName><forename type="first">Philippe G.</forename><surname>Khayat</surname><roleName type="degree">DCD, MScD</roleName></persName><affiliation>Affiliate associate professor, Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, Washington, and private practice, Paris, France;<address><country key="US"></country></address></affiliation><affiliation>Dr. Philippe G. Khayat, 1, Avenue Paul Doumer 75016 Paris; e‐mail: phkhayat@hotmail.com</affiliation></author><author xml:id="author-0001"><persName><forename type="first">Hélène M.</forename><surname>Arnal</surname><roleName type="degree">DCD, DESCB</roleName></persName><affiliation>assistant professor, Department of Oral Surgery, University of Paris, and private practice, Paris, France;<address><country key="FR"></country></address></affiliation></author><author xml:id="author-0002"><persName><forename type="first">Bahige I.</forename><surname>Tourbah</surname><roleName type="degree">DCD, CES</roleName></persName><affiliation>assistant professor, Department of Functional Anatomy, University of Paris, and private practice, Paris, France;<address><country key="FR"></country></address></affiliation></author><author xml:id="author-0003"><persName><forename type="first">Lars</forename><surname>Sennerby</surname><roleName type="degree">DDS, PhD</roleName></persName><affiliation>professor, Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Göteborg, Göteborg, Sweden<address><country key="SE"></country></address></affiliation></author><idno type="istex">25C4F49498C63A011F372E45C587B45F2074BFD9</idno><idno type="ark">ark:/67375/WNG-WFT4BW1F-3</idno><idno type="DOI">10.1111/j.1708-8208.2011.00351.x</idno><idno type="unit">CID351</idno><idno type="toTypesetVersion">file:CID.CID351.pdf</idno></analytic><monogr><title level="j" type="main">Clinical Implant Dentistry and Related Research</title><title level="j" type="alt">CLINICAL IMPLANT DENTISTRY RELATED RESEARCH</title><idno type="pISSN">1523-0899</idno><idno type="eISSN">1708-8208</idno><idno type="book-DOI">10.1111/(ISSN)1708-8208</idno><idno type="book-part-DOI">10.1111/cid.2013.15.issue-2</idno><idno type="product">CID</idno><idno type="publisherDivision">ST</idno><imprint><biblScope unit="vol">15</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="227">227</biblScope><biblScope unit="page" to="233">233</biblScope><biblScope unit="page-count">7</biblScope><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2013-04"></date></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><abstract xml:lang="en" style="main"><head>ABSTRACT</head><p><hi rend="bold">Background:</hi> Primary stability can be improved by using a tapered implant in a slightly underprepared implant site. This may lead to high compression forces and elevated insertion torques. It has been postulated that disturbance of the local microcirculation may occur, leading to necrosis of the osteocytes and bone resorption.</p><p><hi rend="bold">Purpose:</hi> Report on the clinical outcome of 42 implants placed with an insertion torque equal or greater than 70 Ncm and evaluate bone levels around these implants.</p><p><hi rend="bold">Materials and Methods:</hi> This prospective study included 48 patients treated with 66 4.5 mm diameter Tapered Screw‐Vent implants (Zimmer Dental®, Carlsbad, CA, USA). Maximum insertion torque (MIT) was recorded with an electronic torque measuring device (Tohnichi® STC200CN, Hitachi, Tokyo, Japan).</p><p>Nine implants (control group) presented MIT between 30 and 50 Ncm (mean = 37.1 Ncm) and 42 implants (experimental group) MIT greater than 70 Ncm (mean = 110.6 Ncm, range: 70.8–176 Ncm). Marginal bone levels were recorded at the time of loading and 1 year later for the two groups.</p><p><hi rend="bold">Results:</hi> After 2–3 months of non‐sumerged healing, all implants were clinically stable. Mean marginal bone resorption was 1.03 mm (SD = 0.44) for the control group (low torque) and 0.72 mm (SD = 0.56) for the experimental group (high torque) at time of loading, and 1.09 (SD = 0.62) and 1.24 mm (SD = 0.75), respectively, after 1 year. There were no significant differences between the two groups for bone stability and implant success rate.</p><p><hi rend="bold">Conclusions:</hi> The use of high insertion torques (up to 176 Ncm) did not prevent osseointegration. Marginal bone levels in the control and experimental groups were similar both at the time of loading and 1 year later.</p></abstract><textClass><keywords xml:lang="en"><term xml:id="k1">crestal bone</term><term xml:id="k2">implant</term><term xml:id="k3">insertion torque</term></keywords><keywords rend="tocHeading1"><term>ARTICLES</term></keywords><keywords rend="articleCategory"><term>ARTICLE</term></keywords></textClass><langUsage><language ident="en"></language></langUsage></profileDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/25C4F49498C63A011F372E45C587B45F2074BFD9/fulltext/txt</uri></json:item></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 version="2.0" type="serialArticle" xml:lang="en"><header><publicationMeta level="product"><publisherInfo><publisherName>Blackwell Publishing Ltd</publisherName><publisherLoc>Oxford, UK</publisherLoc></publisherInfo><doi origin="wiley" registered="yes">10.1111/(ISSN)1708-8208</doi><issn type="print">1523-0899</issn><issn type="electronic">1708-8208</issn><idGroup><id type="product" value="CID"></id><id type="publisherDivision" value="ST"></id></idGroup><titleGroup><title type="main" sort="CLINICAL IMPLANT DENTISTRY RELATED RESEARCH">Clinical Implant Dentistry and Related Research</title></titleGroup></publicationMeta><publicationMeta level="part" position="04102"><doi>10.1111/cid.2013.15.issue-2</doi><copyright ownership="publisher">Copyright © 2013 Wiley Periodicals, Inc.</copyright><numberingGroup><numbering number="15" type="journalVolume">15</numbering><numbering type="journalIssue">2</numbering></numberingGroup><coverDate startDate="2013-04">April 2013</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="90" status="forIssue"><doi origin="wiley">10.1111/j.1708-8208.2011.00351.x</doi><idGroup><id type="unit" value="CID351"></id></idGroup><countGroup><count type="pageTotal" number="7"></count></countGroup><titleGroup><title type="tocHeading1">ARTICLES</title><title type="articleCategory">ARTICLE</title></titleGroup><copyright>© 2011 Wiley Periodicals, Inc.</copyright><eventGroup><event type="xmlConverted" agent="Converter:BPG_TO_WML3G version:3.2.0 mode:FullText" date="2013-03-25"></event><event date="2013-03-26" type="xmlCorrected"></event><event type="publishedOnlineEarlyUnpaginated" date="2011-05-20"></event><event type="firstOnline" date="2011-05-20"></event><event type="publishedOnlineFinalForm" date="2013-04-02"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.8.8" date="2014-01-15"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.6.4 mode:FullText" date="2015-10-01"></event></eventGroup><numberingGroup><numbering type="pageFirst">227</numbering><numbering type="pageLast">233</numbering></numberingGroup><correspondenceTo>Dr. Philippe G. Khayat, 1, Avenue Paul Doumer 75016 Paris; e‐mail: <email>phkhayat@hotmail.com</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:CID.CID351.pdf"></link></linkGroup></publicationMeta><contentMeta><countGroup><count type="figureTotal" number="1"></count><count type="tableTotal" number="2"></count><count type="formulaTotal" number="0"></count><count type="referenceTotal" number="43"></count><count type="wordTotal" number="4311"></count><count type="linksPubMed" number="0"></count><count type="linksCrossRef" number="0"></count></countGroup><titleGroup><title type="main">Clinical Outcome of Dental Implants Placed with High Insertion Torques (Up to 176 Ncm)</title><title type="shortAuthors">Clinical Implant Dentistry and Related Research, Volume *, Number *, 2011</title><title type="short">High Insertion Torques</title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" affiliationRef="#a1" corresponding="yes"><personName><givenNames>Philippe G.</givenNames><familyName>Khayat</familyName><degrees>DCD, MScD</degrees></personName></creator><creator creatorRole="author" xml:id="cr2" affiliationRef="#a2"><personName><givenNames>Hélène M.</givenNames><familyName>Arnal</familyName><degrees>DCD, DESCB</degrees></personName></creator><creator creatorRole="author" xml:id="cr3" affiliationRef="#a3"><personName><givenNames>Bahige I.</givenNames><familyName>Tourbah</familyName><degrees>DCD, CES</degrees></personName></creator><creator creatorRole="author" xml:id="cr4" affiliationRef="#a4"><personName><givenNames>Lars</givenNames><familyName>Sennerby</familyName><degrees>DDS, PhD</degrees></personName></creator></creators><affiliationGroup><affiliation xml:id="a1" countryCode="US"><unparsedAffiliation>Affiliate associate professor, Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, Washington, and private practice, Paris, France;</unparsedAffiliation></affiliation><affiliation xml:id="a2" countryCode="FR"><unparsedAffiliation>assistant professor, Department of Oral Surgery, University of Paris, and private practice, Paris, France;</unparsedAffiliation></affiliation><affiliation xml:id="a3" countryCode="FR"><unparsedAffiliation>assistant professor, Department of Functional Anatomy, University of Paris, and private practice, Paris, France;</unparsedAffiliation></affiliation><affiliation xml:id="a4" countryCode="SE"><unparsedAffiliation>professor, Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Göteborg, Göteborg, Sweden</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">crestal bone</keyword><keyword xml:id="k2">implant</keyword><keyword xml:id="k3">insertion torque</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">ABSTRACT</title><p><b>Background:</b> Primary stability can be improved by using a tapered implant in a slightly underprepared implant site. This may lead to high compression forces and elevated insertion torques. It has been postulated that disturbance of the local microcirculation may occur, leading to necrosis of the osteocytes and bone resorption.</p><p><b>Purpose:</b> Report on the clinical outcome of 42 implants placed with an insertion torque equal or greater than 70 Ncm and evaluate bone levels around these implants.</p><p><b>Materials and Methods:</b> This prospective study included 48 patients treated with 66 4.5 mm diameter Tapered Screw‐Vent implants (Zimmer Dental®, Carlsbad, CA, USA). Maximum insertion torque (MIT) was recorded with an electronic torque measuring device (Tohnichi® STC200CN, Hitachi, Tokyo, Japan).</p><p>Nine implants (control group) presented MIT between 30 and 50 Ncm (mean = 37.1 Ncm) and 42 implants (experimental group) MIT greater than 70 Ncm (mean = 110.6 Ncm, range: 70.8–176 Ncm). Marginal bone levels were recorded at the time of loading and 1 year later for the two groups.</p><p><b>Results:</b> After 2–3 months of non‐sumerged healing, all implants were clinically stable. Mean marginal bone resorption was 1.03 mm (SD = 0.44) for the control group (low torque) and 0.72 mm (SD = 0.56) for the experimental group (high torque) at time of loading, and 1.09 (SD = 0.62) and 1.24 mm (SD = 0.75), respectively, after 1 year. There were no significant differences between the two groups for bone stability and implant success rate.</p><p><b>Conclusions:</b> The use of high insertion torques (up to 176 Ncm) did not prevent osseointegration. Marginal bone levels in the control and experimental groups were similar both at the time of loading and 1 year later.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Clinical Outcome of Dental Implants Placed with High Insertion Torques (Up to 176 Ncm)</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>High Insertion Torques</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Clinical Outcome of Dental Implants Placed with High Insertion Torques (Up to 176 Ncm)</title></titleInfo><name type="personal"><namePart type="given">Philippe G.</namePart><namePart type="family">Khayat</namePart><namePart type="termsOfAddress">DCD, MScD</namePart><affiliation>Affiliate associate professor, Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, Washington, and private practice, Paris, France;</affiliation><affiliation>E-mail: phkhayat@hotmail.com</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Hélène M.</namePart><namePart type="family">Arnal</namePart><namePart type="termsOfAddress">DCD, DESCB</namePart><affiliation>assistant professor, Department of Oral Surgery, University of Paris, and private practice, Paris, France;</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Bahige I.</namePart><namePart type="family">Tourbah</namePart><namePart type="termsOfAddress">DCD, CES</namePart><affiliation>assistant professor, Department of Functional Anatomy, University of Paris, and private practice, Paris, France;</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Lars</namePart><namePart type="family">Sennerby</namePart><namePart type="termsOfAddress">DDS, PhD</namePart><affiliation>professor, Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Göteborg, Göteborg, Sweden</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><place><placeTerm type="text">Oxford, UK</placeTerm></place><dateIssued encoding="w3cdtf">2013-04</dateIssued><copyrightDate encoding="w3cdtf">2013</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><extent unit="figures">1</extent><extent unit="tables">2</extent><extent unit="formulas">0</extent><extent unit="references">43</extent><extent unit="linksCrossRef">0</extent><extent unit="words">4311</extent></physicalDescription><abstract>Background: Primary stability can be improved by using a tapered implant in a slightly underprepared implant site. This may lead to high compression forces and elevated insertion torques. It has been postulated that disturbance of the local microcirculation may occur, leading to necrosis of the osteocytes and bone resorption.</abstract><abstract>Purpose: Report on the clinical outcome of 42 implants placed with an insertion torque equal or greater than 70 Ncm and evaluate bone levels around these implants.</abstract><abstract>Materials and Methods: This prospective study included 48 patients treated with 66 4.5 mm diameter Tapered Screw‐Vent implants (Zimmer Dental®, Carlsbad, CA, USA). Maximum insertion torque (MIT) was recorded with an electronic torque measuring device (Tohnichi® STC200CN, Hitachi, Tokyo, Japan).</abstract><abstract>Nine implants (control group) presented MIT between 30 and 50 Ncm (mean = 37.1 Ncm) and 42 implants (experimental group) MIT greater than 70 Ncm (mean = 110.6 Ncm, range: 70.8–176 Ncm). Marginal bone levels were recorded at the time of loading and 1 year later for the two groups.</abstract><abstract>Results: After 2–3 months of non‐sumerged healing, all implants were clinically stable. Mean marginal bone resorption was 1.03 mm (SD = 0.44) for the control group (low torque) and 0.72 mm (SD = 0.56) for the experimental group (high torque) at time of loading, and 1.09 (SD = 0.62) and 1.24 mm (SD = 0.75), respectively, after 1 year. There were no significant differences between the two groups for bone stability and implant success rate.</abstract><abstract>Conclusions: The use of high insertion torques (up to 176 Ncm) did not prevent osseointegration. Marginal bone levels in the control and experimental groups were similar both at the time of loading and 1 year later.</abstract><subject lang="en"><genre>keywords</genre><topic>crestal bone</topic><topic>implant</topic><topic>insertion torque</topic></subject><relatedItem type="host"><titleInfo><title>Clinical Implant Dentistry and Related Research</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>ARTICLE</topic></subject><identifier type="ISSN">1523-0899</identifier><identifier type="eISSN">1708-8208</identifier><identifier type="DOI">10.1111/(ISSN)1708-8208</identifier><identifier type="PublisherID">CID</identifier><part><date>2013</date><detail type="volume"><caption>vol.</caption><number>15</number></detail><detail type="issue"><caption>no.</caption><number>2</number></detail><extent unit="pages"><start>227</start><end>233</end><total>7</total></extent></part></relatedItem><identifier type="istex">25C4F49498C63A011F372E45C587B45F2074BFD9</identifier><identifier type="ark">ark:/67375/WNG-WFT4BW1F-3</identifier><identifier type="DOI">10.1111/j.1708-8208.2011.00351.x</identifier><identifier type="ArticleID">CID351</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2013 Wiley Periodicals, Inc.© 2011 Wiley Periodicals, Inc.</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><recordOrigin>Blackwell Publishing Ltd</recordOrigin></recordInfo></mods><json:item><extension>json</extension><original>false</original><mimetype>application/json</mimetype><uri>https://api.istex.fr/document/25C4F49498C63A011F372E45C587B45F2074BFD9/metadata/json</uri></json:item></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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