Bone tissue microarchitectural characteristics at dental implant sites part 2: correlation with bone classification and primary stability
Identifieur interne : 000001 ( Istex/Corpus ); précédent : 000000; suivant : 000002Bone tissue microarchitectural characteristics at dental implant sites part 2: correlation with bone classification and primary stability
Auteurs : Rejane Faria Ribeiro-Rotta ; Rubelisa Cândido Gomes De Oliveira ; Danilo Rocha Dias ; Christina Lindh ; Cláudio Rodrigues LelesSource :
- Clinical Oral Implants Research [ 0905-7161 ] ; 2014-02.
Abstract
To investigate in vivo the correlation between the bone microarchitecture of implant bone sites, bone tissue classification subjectively assessed in radiographs and primary implant stability.
Url:
DOI: 10.1111/clr.12046
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ISTEX:00799E8D88144AA4D26DCAE43A292A7CA499605ELe document en format XML
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Brazil</mods:affiliation></affiliation><affiliation><mods:affiliation>Corresponding author:Rua C‐235, N. 1323/1501 Nova Suíça, Goiânia‐GO 74280‐130, BrazilTel./Fax: +55 62 32593766e‐mail:</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: rejanefrr@gmail.com</mods:affiliation></affiliation></author><author><name sortKey="Dias, Danilo Rocha" sort="Dias, Danilo Rocha" uniqKey="Dias D" first="Danilo Rocha" last="Dias">Danilo Rocha Dias</name><affiliation><mods:affiliation>Department of Oral Medicine, School of Dentistry, Federal University of Goias, Goias, Goiania, Brazil</mods:affiliation></affiliation></author><author><name sortKey="Lindh, Christina" sort="Lindh, Christina" uniqKey="Lindh C" first="Christina" last="Lindh">Christina Lindh</name><affiliation><mods:affiliation>Department of Oral and Maxillofacial Radiology, Faculty of Odontology, Malmö University, Malmö, Sweden</mods:affiliation></affiliation></author><author><name sortKey="Leles, Claudio Rodrigues" sort="Leles, Claudio Rodrigues" uniqKey="Leles C" first="Cláudio Rodrigues" last="Leles">Cláudio Rodrigues Leles</name><affiliation><mods:affiliation>Department of Prevention and Oral Rehabilitation, School of Dentistry, Federal University of Goias, Goias, Goiania, Brazil</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:00799E8D88144AA4D26DCAE43A292A7CA499605E</idno><date when="2014" year="2014">2014</date><idno type="doi">10.1111/clr.12046</idno><idno type="url">https://api.istex.fr/document/00799E8D88144AA4D26DCAE43A292A7CA499605E/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000001</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000001</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main">Bone tissue microarchitectural characteristics at dental implant sites part 2: correlation with bone classification and primary stability</title><author><name sortKey="Ribeiro Otta, Rejane Faria" sort="Ribeiro Otta, Rejane Faria" uniqKey="Ribeiro Otta R" first="Rejane Faria" last="Ribeiro-Rotta">Rejane Faria Ribeiro-Rotta</name><affiliation><mods:affiliation>Department of Oral Medicine, School of Dentistry, Federal University of Goias, Goias, Goiania, Brazil</mods:affiliation></affiliation></author><author><name sortKey="De Oliveira, Rubelisa Candido Gomes" sort="De Oliveira, Rubelisa Candido Gomes" uniqKey="De Oliveira R" first="Rubelisa Cândido Gomes" last="De Oliveira">Rubelisa Cândido Gomes De Oliveira</name><affiliation><mods:affiliation>Department of Oral Medicine, School of Dentistry, Federal University of Goias, Goias, Goiania, Brazil</mods:affiliation></affiliation><affiliation><mods:affiliation>Corresponding author:Rua C‐235, N. 1323/1501 Nova Suíça, Goiânia‐GO 74280‐130, BrazilTel./Fax: +55 62 32593766e‐mail:</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: rejanefrr@gmail.com</mods:affiliation></affiliation></author><author><name sortKey="Dias, Danilo Rocha" sort="Dias, Danilo Rocha" uniqKey="Dias D" first="Danilo Rocha" last="Dias">Danilo Rocha Dias</name><affiliation><mods:affiliation>Department of Oral Medicine, School of Dentistry, Federal University of Goias, Goias, Goiania, Brazil</mods:affiliation></affiliation></author><author><name sortKey="Lindh, Christina" sort="Lindh, Christina" uniqKey="Lindh C" first="Christina" last="Lindh">Christina Lindh</name><affiliation><mods:affiliation>Department of Oral and Maxillofacial Radiology, Faculty of Odontology, Malmö University, Malmö, Sweden</mods:affiliation></affiliation></author><author><name sortKey="Leles, Claudio Rodrigues" sort="Leles, Claudio Rodrigues" uniqKey="Leles C" first="Cláudio Rodrigues" last="Leles">Cláudio Rodrigues Leles</name><affiliation><mods:affiliation>Department of Prevention and Oral Rehabilitation, School of Dentistry, Federal University of Goias, Goias, Goiania, Brazil</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="e47">e47</biblScope><biblScope unit="page" to="e53">e53</biblScope><biblScope unit="page-count">7</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 investigate in vivo the correlation between the bone microarchitecture of implant bone sites, bone tissue classification subjectively assessed in radiographs and primary implant stability.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Rejane Faria Ribeiro‐Rotta</name><affiliations><json:string>Department of Oral Medicine, School of Dentistry, Federal University of Goias, Goias, Goiania, Brazil</json:string></affiliations></json:item><json:item><name>Rubelisa Cândido Gomes de Oliveira</name><affiliations><json:string>Department of Oral Medicine, School of Dentistry, Federal University of Goias, Goias, Goiania, Brazil</json:string><json:string>Corresponding author:Rua C‐235, N. 1323/1501 Nova Suíça, Goiânia‐GO 74280‐130, BrazilTel./Fax: +55 62 32593766e‐mail:</json:string><json:string>E-mail: rejanefrr@gmail.com</json:string></affiliations></json:item><json:item><name>Danilo Rocha Dias</name><affiliations><json:string>Department of Oral Medicine, School of Dentistry, Federal University of Goias, Goias, Goiania, Brazil</json:string></affiliations></json:item><json:item><name>Christina Lindh</name><affiliations><json:string>Department of Oral and Maxillofacial Radiology, Faculty of Odontology, Malmö University, Malmö, Sweden</json:string></affiliations></json:item><json:item><name>Cláudio Rodrigues Leles</name><affiliations><json:string>Department of Prevention and Oral Rehabilitation, School of Dentistry, Federal University of Goias, Goias, Goiania, Brazil</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>bone density</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>dental implants</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>microcomputed tomography</value></json:item></subject><articleId><json:string>CLR12046</json:string></articleId><arkIstex>ark:/67375/WNG-8LTX6WBP-P</arkIstex><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>To investigate in vivo the 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classification and primary stability</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>Wiley Publishing Ltd</publisher><availability><licence>© 2012 John Wiley & Sons A/S. Published by Blackwell Publishing Ltd</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">Bone tissue microarchitectural characteristics at dental implant sites part 2: correlation with bone classification and primary stability</title><author xml:id="author-0000"><persName><forename type="first">Rejane Faria</forename><surname>Ribeiro‐Rotta</surname></persName><affiliation><orgName>Department of Oral Medicine</orgName><orgName>School of Dentistry</orgName><orgName>Federal University of Goias</orgName><address><settlement type="city">Goiania</settlement><region>Goias</region><country key="BR">Brazil</country></address></affiliation></author><author xml:id="author-0001" role="corresp"><persName><forename type="first">Rubelisa Cândido Gomes</forename><surname>Oliveira</surname></persName><affiliation><orgName>Department of Oral Medicine</orgName><orgName>School of Dentistry</orgName><orgName>Federal University of Goias</orgName><address><settlement type="city">Goiania</settlement><region>Goias</region><country key="BR">Brazil</country></address></affiliation><affiliation>Corresponding author: Rejane Faria Ribeiro‐Rotta Rua C‐235, N. 1323/1501 Nova Suíça, Goiânia‐GO 74280‐130, Brazil Tel./Fax: +55 62 32593766 e‐mail: rejanefrr@gmail.com</affiliation></author><author xml:id="author-0002"><persName><forename type="first">Danilo Rocha</forename><surname>Dias</surname></persName><affiliation><orgName>Department of Oral Medicine</orgName><orgName>School of Dentistry</orgName><orgName>Federal University of Goias</orgName><address><settlement type="city">Goiania</settlement><region>Goias</region><country key="BR">Brazil</country></address></affiliation></author><author xml:id="author-0003"><persName><forename type="first">Christina</forename><surname>Lindh</surname></persName><affiliation><orgName>Department of Oral and Maxillofacial Radiology</orgName><orgName>Faculty of Odontology</orgName><orgName>Malmö University</orgName><address><settlement type="city">Malmö</settlement><country key="SE">Sweden</country></address></affiliation></author><author xml:id="author-0004"><persName><forename type="first">Cláudio Rodrigues</forename><surname>Leles</surname></persName><affiliation><orgName>Department of Prevention and Oral Rehabilitation</orgName><orgName>School of Dentistry</orgName><orgName>Federal University of Goias</orgName><address><settlement type="city">Goiania</settlement><region>Goias</region><country key="BR">Brazil</country></address></affiliation></author><idno type="istex">00799E8D88144AA4D26DCAE43A292A7CA499605E</idno><idno type="ark">ark:/67375/WNG-8LTX6WBP-P</idno><idno type="DOI">10.1111/clr.12046</idno><idno type="unit">CLR12046</idno><idno type="toTypesetVersion">file:CLR.CLR12046.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="e47">e47</biblScope><biblScope unit="page" to="e53">e53</biblScope><biblScope unit="page-count">7</biblScope><date type="published" when="2014-02"></date></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><abstract style="main" xml:id="clr12046-abs-0001"><head>Abstract</head>
Objective
<p>To investigate <hi rend="italic">in vivo</hi> the correlation between the bone microarchitecture of implant bone sites, bone tissue classification subjectively assessed in radiographs and primary implant stability.</p>
Material and methods
<p>Periapical and panoramic radiographs were obtained from 32 partially edentulous patients. Three surgeons classified bone quality at implant sites using two different methods: assessments in periapical and panoramic radiographs (<hi rend="fc">PP</hi>) and according to the classification proposed by Lekholm and Zarb (L&Z). During the implant insertion, bone biopsies were taken, and three‐dimensional parameters were measured by microcomputed tomography (micro<hi rend="fc">CT</hi>). Insertion torque value (<hi rend="fc">ITV</hi>) and initial implant stability quotient (<hi rend="fc">ISQ</hi>) were recorded at the moment of the implantation. <hi rend="fc">ISQ</hi> was also recorded at the uncovering stage of a traditional implant protocol.</p>
Results
<p>Bone types 2 and 3 were the most prevalent classifications according to <hi rend="fc">PP</hi> (54.3%) and L&Z (58.7%). The mean and standard deviation values of primary stability variables were 38.7(16.7) for <hi rend="fc">ITV</hi>, 75.3 (7.7) for initial <hi rend="fc">ISQ</hi> and 79.3 (6.8) for uncovering <hi rend="fc">ISQ</hi>. Several micro<hi rend="fc">CT</hi> original and factor variables were found to correlate with bone tissue classifications and primary stability variables. L&Z correlated with architecture (<hi rend="italic">r</hi> = 0.31; <hi rend="italic">P</hi> < 0.05), density (<hi rend="italic">r</hi> = −0.43; <hi rend="italic">P</hi> < 0.01) and bulk (<hi rend="italic">r</hi> = −0.35; <hi rend="italic">P</hi> < 0.05), whereas <hi rend="fc">ITV</hi> correlated with architecture (<hi rend="italic">r</hi> = −0.40; <hi rend="italic">P</hi> < 0.01) and density (<hi rend="italic">r</hi> = 0.51; <hi rend="italic">P</hi> < 0.01). Multiple linear regression analysis revealed that density and bulk explained 32% of the variability of L&Z bone classification, while density and architecture explained 42% of the variability of <hi rend="fc">ITV</hi>.</p>
Conclusions
<p>This study demonstrates the first step in validating L&Z classification. Micro<hi rend="fc">CT</hi> provides objective and detailed quantitative data on bone microarchitecture. Intraosseous implant stability is mainly determined by the density of the bone. <hi rend="fc">ITV</hi>s could be a good indicator of primary implant stability, whereas <hi rend="fc">ISQ</hi>s measurements have some limitations and should not be used alone.</p></abstract><textClass><keywords><term xml:id="clr12046-kwd-0001">bone density</term><term xml:id="clr12046-kwd-0002">dental implants</term><term xml:id="clr12046-kwd-0003">microcomputed tomography</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="clr12046" 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="240" status="forIssue" type="article"><doi>10.1111/clr.12046</doi><idGroup><id type="unit" value="CLR12046"></id></idGroup><countGroup><count number="7" 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. Published by Blackwell Publishing Ltd</copyright><eventGroup><event date="2012-09-08" type="manuscriptAccepted"></event><event agent="SPS" date="2012-09-23" 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="2012-10-29"></event><event type="firstOnline" date="2012-10-29"></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">e47</numbering><numbering type="pageLast">e53</numbering></numberingGroup><correspondenceTo><lineatedText><line>Corresponding author:</line><line><i>Rejane Faria Ribeiro‐Rotta</i></line><line>Rua C‐235, N. 1323/1501 Nova Suíça, Goiânia‐GO 74280‐130, Brazil</line><line>Tel./Fax: +55 62 32593766</line><line>e‐mail: <email>rejanefrr@gmail.com</email></line></lineatedText></correspondenceTo><selfCitationGroup><citation type="self" xml:id="clr12046-cit-1001"><author><familyName>Ribeiro‐Rotta</familyName> <givenNames>RF</givenNames></author> , <author><familyName>de Oliveira</familyName> <givenNames>RCG</givenNames></author>, <author><familyName>Dias</familyName> <givenNames>DR</givenNames></author>, <author><familyName>Lindh</familyName> <givenNames>C</givenNames></author>, <author><familyName>Leles</familyName> <givenNames>CR</givenNames></author>. <articleTitle>Bone tissue microarchitectural characteristics at dental implant sites part 2: correlation with bone classification and primary stability</articleTitle>. <journalTitle>Clin. Oral Impl. Res.</journalTitle> <vol>25</vol>, <pubYear year="2014">2014</pubYear>; <pageFirst>e47</pageFirst>–<pageLast>e53</pageLast>.</citation></selfCitationGroup><linkGroup><link type="toTypesetVersion" href="file:CLR.CLR12046.pdf"></link></linkGroup></publicationMeta><contentMeta><titleGroup><title type="main">Bone tissue microarchitectural characteristics at dental implant sites part 2: correlation with bone classification and primary stability</title><title type="shortAuthors">Ribeiro‐Rotta et al</title></titleGroup><creators><creator affiliationRef="#clr12046-aff-0001" creatorRole="author" xml:id="clr12046-cr-0001"><personName><givenNames>Rejane Faria</givenNames> <familyName>Ribeiro‐Rotta</familyName></personName></creator><creator affiliationRef="#clr12046-aff-0001" corresponding="yes" creatorRole="author" xml:id="clr12046-cr-0002"><personName><givenNames>Rubelisa Cândido Gomes</givenNames> <familyNamePrefix>de</familyNamePrefix> <familyName>Oliveira</familyName></personName></creator><creator affiliationRef="#clr12046-aff-0001" creatorRole="author" xml:id="clr12046-cr-0003"><personName><givenNames>Danilo Rocha</givenNames> <familyName>Dias</familyName></personName></creator><creator affiliationRef="#clr12046-aff-0003" creatorRole="author" xml:id="clr12046-cr-0004"><personName><givenNames>Christina</givenNames> <familyName>Lindh</familyName></personName></creator><creator affiliationRef="#clr12046-aff-0002" creatorRole="author" xml:id="clr12046-cr-0005"><personName><givenNames>Cláudio Rodrigues</givenNames> <familyName>Leles</familyName></personName></creator></creators><affiliationGroup><affiliation countryCode="BR" type="organization" xml:id="clr12046-aff-0001"><orgDiv>Department of Oral Medicine</orgDiv> <orgName>School of Dentistry</orgName> <orgName>Federal University of Goias</orgName> <address><city>Goiania</city> <countryPart>Goias</countryPart> <country>Brazil</country></address></affiliation><affiliation countryCode="BR" type="organization" xml:id="clr12046-aff-0002"><orgDiv>Department of Prevention and Oral Rehabilitation</orgDiv> <orgName>School of Dentistry</orgName> <orgName>Federal University of Goias</orgName> <address><city>Goiania</city> <countryPart>Goias</countryPart> <country>Brazil</country></address></affiliation><affiliation countryCode="SE" type="organization" xml:id="clr12046-aff-0003"><orgDiv>Department of Oral and Maxillofacial Radiology</orgDiv> <orgDiv>Faculty of Odontology</orgDiv> <orgName>Malmö University</orgName> <address><city>Malmö</city> <country>Sweden</country></address></affiliation></affiliationGroup><keywordGroup type="author"><keyword xml:id="clr12046-kwd-0001">bone density</keyword><keyword xml:id="clr12046-kwd-0002">dental implants</keyword><keyword xml:id="clr12046-kwd-0003">microcomputed tomography</keyword></keywordGroup><abstractGroup><abstract type="main" xml:id="clr12046-abs-0001"><title type="main">Abstract</title><section xml:id="clr12046-sec-0001"><title type="main">Objective</title><p>To investigate <i>in vivo</i> the correlation between the bone microarchitecture of implant bone sites, bone tissue classification subjectively assessed in radiographs and primary implant stability.</p></section><section xml:id="clr12046-sec-0002"><title type="main">Material and methods</title><p>Periapical and panoramic radiographs were obtained from 32 partially edentulous patients. Three surgeons classified bone quality at implant sites using two different methods: assessments in periapical and panoramic radiographs (<fc>PP</fc>) and according to the classification proposed by Lekholm and Zarb (L&Z). During the implant insertion, bone biopsies were taken, and three‐dimensional parameters were measured by microcomputed tomography (micro<fc>CT</fc>). Insertion torque value (<fc>ITV</fc>) and initial implant stability quotient (<fc>ISQ</fc>) were recorded at the moment of the implantation. <fc>ISQ</fc> was also recorded at the uncovering stage of a traditional implant protocol.</p></section><section xml:id="clr12046-sec-0003"><title type="main">Results</title><p>Bone types 2 and 3 were the most prevalent classifications according to <fc>PP</fc> (54.3%) and L&Z (58.7%). The mean and standard deviation values of primary stability variables were 38.7(16.7) for <fc>ITV</fc>, 75.3 (7.7) for initial <fc>ISQ</fc> and 79.3 (6.8) for uncovering <fc>ISQ</fc>. Several micro<fc>CT</fc> original and factor variables were found to correlate with bone tissue classifications and primary stability variables. L&Z correlated with architecture (<i>r</i> = 0.31; <i>P</i> < 0.05), density (<i>r</i> = −0.43; <i>P</i> < 0.01) and bulk (<i>r</i> = −0.35; <i>P</i> < 0.05), whereas <fc>ITV</fc> correlated with architecture (<i>r</i> = −0.40; <i>P</i> < 0.01) and density (<i>r</i> = 0.51; <i>P</i> < 0.01). Multiple linear regression analysis revealed that density and bulk explained 32% of the variability of L&Z bone classification, while density and architecture explained 42% of the variability of <fc>ITV</fc>.</p></section><section xml:id="clr12046-sec-0004"><title type="main">Conclusions</title><p>This study demonstrates the first step in validating L&Z classification. Micro<fc>CT</fc> provides objective and detailed quantitative data on bone microarchitecture. Intraosseous implant stability is mainly determined by the density of the bone. <fc>ITV</fc>s could be a good indicator of primary implant stability, whereas <fc>ISQ</fc>s measurements have some limitations and should not be used alone.</p></section></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Bone tissue microarchitectural characteristics at dental implant sites part 2: correlation with bone classification and primary stability</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Bone tissue microarchitectural characteristics at dental implant sites part 2: correlation with bone classification and primary stability</title></titleInfo><name type="personal"><namePart type="given">Rejane Faria</namePart><namePart type="family">Ribeiro‐Rotta</namePart><affiliation>Department of Oral Medicine, School of Dentistry, Federal University of Goias, Goias, Goiania, Brazil</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Rubelisa Cândido Gomes</namePart><namePart type="family">de Oliveira</namePart><affiliation>Department of Oral Medicine, School of Dentistry, Federal University of Goias, Goias, Goiania, Brazil</affiliation><affiliation>Corresponding author:Rua C‐235, N. 1323/1501 Nova Suíça, Goiânia‐GO 74280‐130, BrazilTel./Fax: +55 62 32593766e‐mail:</affiliation><affiliation>E-mail: rejanefrr@gmail.com</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Danilo Rocha</namePart><namePart type="family">Dias</namePart><affiliation>Department of Oral Medicine, School of Dentistry, Federal University of Goias, Goias, Goiania, Brazil</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Christina</namePart><namePart type="family">Lindh</namePart><affiliation>Department of Oral and Maxillofacial Radiology, Faculty of Odontology, Malmö University, Malmö, Sweden</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Cláudio Rodrigues</namePart><namePart type="family">Leles</namePart><affiliation>Department of Prevention and Oral Rehabilitation, School of Dentistry, Federal University of Goias, Goias, Goiania, Brazil</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">2012-09-23</dateCreated><dateValid encoding="w3cdtf">2012-09-08</dateValid><edition>Ribeiro‐Rotta RF , de Oliveira RCG, Dias DR, Lindh C, Leles CR. Bone tissue microarchitectural characteristics at dental implant sites part 2: correlation with bone classification and primary stability. Clin. Oral Impl. Res. 25, 2014; e47–e53.</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 investigate in vivo the correlation between the bone microarchitecture of implant bone sites, bone tissue classification subjectively assessed in radiographs and primary implant stability.</abstract><abstract>Periapical and panoramic radiographs were obtained from 32 partially edentulous patients. Three surgeons classified bone quality at implant sites using two different methods: assessments in periapical and panoramic radiographs (PP) and according to the classification proposed by Lekholm and Zarb (L&Z). During the implant insertion, bone biopsies were taken, and three‐dimensional parameters were measured by microcomputed tomography (microCT). Insertion torque value (ITV) and initial implant stability quotient (ISQ) were recorded at the moment of the implantation. ISQ was also recorded at the uncovering stage of a traditional implant protocol.</abstract><abstract>Bone types 2 and 3 were the most prevalent classifications according to PP (54.3%) and L&Z (58.7%). The mean and standard deviation values of primary stability variables were 38.7(16.7) for ITV, 75.3 (7.7) for initial ISQ and 79.3 (6.8) for uncovering ISQ. Several microCT original and factor variables were found to correlate with bone tissue classifications and primary stability variables. L&Z correlated with architecture (r = 0.31; P < 0.05), density (r = −0.43; P < 0.01) and bulk (r = −0.35; P < 0.05), whereas ITV correlated with architecture (r = −0.40; P < 0.01) and density (r = 0.51; P < 0.01). Multiple linear regression analysis revealed that density and bulk explained 32% of the variability of L&Z bone classification, while density and architecture explained 42% of the variability of ITV.</abstract><abstract>This study demonstrates the first step in validating L&Z classification. MicroCT provides objective and detailed quantitative data on bone microarchitecture. Intraosseous implant stability is mainly determined by the density of the bone. ITVs could be a good indicator of primary implant stability, whereas ISQs measurements have some limitations and should not be used alone.</abstract><subject><genre>keywords</genre><topic>bone density</topic><topic>dental implants</topic><topic>microcomputed tomography</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>e47</start><end>e53</end><total>7</total></extent></part></relatedItem><identifier type="istex">00799E8D88144AA4D26DCAE43A292A7CA499605E</identifier><identifier type="ark">ark:/67375/WNG-8LTX6WBP-P</identifier><identifier type="DOI">10.1111/clr.12046</identifier><identifier type="ArticleID">CLR12046</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2014 John Wiley & Sons Ltd© 2012 John Wiley & Sons A/S. 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