Onlay grafts in combination with endosseous implants in severe mandibular atrophy: one year results of a prospective, quantitative radiological study
Identifieur interne : 000B52 ( Istex/Corpus ); précédent : 000B51; suivant : 000B53Onlay grafts in combination with endosseous implants in severe mandibular atrophy: one year results of a prospective, quantitative radiological study
Auteurs : Jan Willem Verhoeven ; Jan Ruijter ; Marco Stephan Cune ; Maarten Terlou ; Marjolein ZoonSource :
- Clinical Oral Implants Research [ 0905-7161 ] ; 2000-12.
English descriptors
- KwdEn :
- Aluminium, Aluminium wedge, Anterior mandible, Atrophic mandible, Augmentation, Bone density, Complete graft, Cortical layer, Cune, Densite radiographique, Densitometric, Densitometric measurement, Densitometric measurements, Digital subtraction radiography, Dorsal, Dorsal measurement, Dorsal side, Dorsally, Eld, Endosseous, Endosseous implants, Endosteal implants, Extraoral, Fourth quarter, Graft, Greffon, Greffons onlay, Height measurements, Implant, Implants research, Injerto, International congress, International journal, Lateral cephalometric radiographs, Longitudinal study, Lower part, Lower spongiosa, Mandible, Mandibular, Mandibular side, Mandibular sides, Maxillofacial, Maxillofacial implants, Maxillofacial surgery, Neukam, Olcr, Olcrs, Onlay, Onlay graft, Onlay grafts, Overall height, Periodontal research, Postoperative, Postoperative radiographs, Predictable pattern, Preprosthetic surgery, Present study, Radiograph, Radiographic, Radiographic density, Radiography, Reference radiograph, Remodelling, Resorption, Second half year, Second period, Second quarter, Seis meses, Severe mandibular atrophy, Spongeous, Spongeous bone, Spongiosa, Standardized extraoral, Statistical analysis, Transplantates, Upper cortex, Upper part, Upper spongeous part, Upper spongiosa, Utrecht, Utrecht university, Ventral, Ventral side, Ventrally, Verhoeven.
- Teeft :
- Aluminium, Aluminium wedge, Anterior mandible, Atrophic mandible, Augmentation, Bone density, Complete graft, Cortical layer, Cune, Densite radiographique, Densitometric, Densitometric measurement, Densitometric measurements, Digital subtraction radiography, Dorsal, Dorsal measurement, Dorsal side, Dorsally, Eld, Endosseous, Endosseous implants, Endosteal implants, Extraoral, Fourth quarter, Graft, Greffon, Greffons onlay, Height measurements, Implant, Implants research, Injerto, International congress, International journal, Lateral cephalometric radiographs, Longitudinal study, Lower part, Lower spongiosa, Mandible, Mandibular, Mandibular side, Mandibular sides, Maxillofacial, Maxillofacial implants, Maxillofacial surgery, Neukam, Olcr, Olcrs, Onlay, Onlay graft, Onlay grafts, Overall height, Periodontal research, Postoperative, Postoperative radiographs, Predictable pattern, Preprosthetic surgery, Present study, Radiograph, Radiographic, Radiographic density, Radiography, Reference radiograph, Remodelling, Resorption, Second half year, Second period, Second quarter, Seis meses, Severe mandibular atrophy, Spongeous, Spongeous bone, Spongiosa, Standardized extraoral, Statistical analysis, Transplantates, Upper cortex, Upper part, Upper spongeous part, Upper spongiosa, Utrecht, Utrecht university, Ventral, Ventral side, Ventrally, Verhoeven.
Abstract
In taking an overall view of the radiographs made of patients that underwent simultaneous onlay‐grafting and implant placement in the anterior mandible, changes are seen in the grafts. The impression arose that a number of stages could be distinguished in this process of remodelling of the graft. The purpose of the present study was to objectivate the existence of those stages in the first year after bone‐grafting by densitometric and height measurements of the onlay grafts using standardized extraoral radiographs (OLCR) and densitometric analysis in a group of 8 patients. OLCRs were taken at regular intervals in the first year after surgery. The measurements were performed in three fixed fields, both ventrally and dorsally of each implant. Generally the densitometric measurement fields were located at the (upper) cortex, the upper spongiosa and the lower spongiosa of the onlay graft. The OLCRs were also used for measurements of the height of the complete graft and of the thickness of the cortex of the graft, using a gauged caliper. The results indicate the following remodelling of the structure of the onlay grafts: 1) decrease in the thickness and the radiographic density of the (upper) cortex of the onlay graft predominantly in the first 6‐month period; 2) no significant changes in the radiographic density of the upper spongeous part of the graft; 3) a decrease of approximately 25% in the overall height of the graft, particularly during the first 6‐month period; 4) an increase in the radiographic density of the lower part of the spongeous bone in the second 6‐month period. It is concluded that the remodelling of the graft has a predictable pattern in time: the first half year being dominated by bone resorption, mainly confined to the cortex of the graft, whereas the second half year is characterized by an increase in bone density in the (remaining) cortex as well as the lower spongeous parts of the graft.
Url:
DOI: 10.1034/j.1600-0501.2000.011006583.x
Links to Exploration step
ISTEX:1742BBFCC0A3381089BF5BECC924F79B94730AB2Le document en format XML
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density</term><term>Radiography</term><term>Reference radiograph</term><term>Remodelling</term><term>Resorption</term><term>Second half year</term><term>Second period</term><term>Second quarter</term><term>Seis meses</term><term>Severe mandibular atrophy</term><term>Spongeous</term><term>Spongeous bone</term><term>Spongiosa</term><term>Standardized extraoral</term><term>Statistical analysis</term><term>Transplantates</term><term>Upper cortex</term><term>Upper part</term><term>Upper spongeous part</term><term>Upper spongiosa</term><term>Utrecht</term><term>Utrecht university</term><term>Ventral</term><term>Ventral side</term><term>Ventrally</term><term>Verhoeven</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Aluminium</term><term>Aluminium wedge</term><term>Anterior mandible</term><term>Atrophic mandible</term><term>Augmentation</term><term>Bone density</term><term>Complete graft</term><term>Cortical layer</term><term>Cune</term><term>Densite 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The impression arose that a number of stages could be distinguished in this process of remodelling of the graft. The purpose of the present study was to objectivate the existence of those stages in the first year after bone‐grafting by densitometric and height measurements of the onlay grafts using standardized extraoral radiographs (OLCR) and densitometric analysis in a group of 8 patients. OLCRs were taken at regular intervals in the first year after surgery. The measurements were performed in three fixed fields, both ventrally and dorsally of each implant. Generally the densitometric measurement fields were located at the (upper) cortex, the upper spongiosa and the lower spongiosa of the onlay graft. The OLCRs were also used for measurements of the height of the complete graft and of the thickness of the cortex of the graft, using a gauged caliper. The results indicate the following remodelling of the structure of the onlay grafts: 1) decrease in the thickness and the radiographic density of the (upper) cortex of the onlay graft predominantly in the first 6‐month period; 2) no significant changes in the radiographic density of the upper spongeous part of the graft; 3) a decrease of approximately 25% in the overall height of the graft, particularly during the first 6‐month period; 4) an increase in the radiographic density of the lower part of the spongeous bone in the second 6‐month period. It is concluded that the remodelling of the graft has a predictable pattern in time: the first half year being dominated by bone resorption, mainly confined to the cortex of the graft, whereas the second half year is characterized by an increase in bone density in the (remaining) cortex as well as the lower spongeous parts of the graft.</div></front></TEI><istex><corpusName>wiley</corpusName><keywords><teeft><json:string>onlay</json:string><json:string>graft</json:string><json:string>radiograph</json:string><json:string>radiographic</json:string><json:string>implant</json:string><json:string>verhoeven</json:string><json:string>mandibular</json:string><json:string>onlay graft</json:string><json:string>mandible</json:string><json:string>densitometric</json:string><json:string>eld</json:string><json:string>radiographic density</json:string><json:string>endosseous</json:string><json:string>spongeous</json:string><json:string>endosseous 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study</json:string><json:string>dorsal side</json:string></teeft></keywords><author><json:item><name>Jan Willem Verhoeven</name><affiliations><json:string>Department of Oral & Maxillofacial Surgery, Prosthodontics and Special Dental Care, Utrecht University,</json:string></affiliations></json:item><json:item><name>Jan Ruijter</name><affiliations><json:string>Department of Image Processing and Design, Faculty of Biology, Utrecht University,</json:string><json:string>currently: Department of Anatomy and Embryology, Academic Medical Center, Amsterdam, The Netherlands</json:string></affiliations></json:item><json:item><name>Marco Stephan Cune</name><affiliations><json:string>Department of Oral & Maxillofacial Surgery, Prosthodontics and Special Dental Care, Utrecht University,</json:string></affiliations></json:item><json:item><name>Maarten Terlou</name><affiliations><json:string>Department of Image Processing and Design, Faculty of Biology, Utrecht University,</json:string></affiliations></json:item><json:item><name>Marjolein Zoon</name><affiliations><json:string>Department of Oral & Maxillofacial Surgery, Prosthodontics and Special Dental Care, Utrecht University,</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>endosseous implants</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>bone graft</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>radiography</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>densitometry</value></json:item></subject><articleId><json:string>clr9o576</json:string></articleId><arkIstex>ark:/67375/WNG-2NRSG8CM-8</arkIstex><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>In taking an overall view of the radiographs made of patients that underwent simultaneous onlay‐grafting and implant placement in the anterior mandible, changes are seen in the grafts. The impression arose that a number of stages could be distinguished in this process of remodelling of the graft. The purpose of the present study was to objectivate the existence of those stages in the first year after bone‐grafting by densitometric and height measurements of the onlay grafts using standardized extraoral radiographs (OLCR) and densitometric analysis in a group of 8 patients. OLCRs were taken at regular intervals in the first year after surgery. The measurements were performed in three fixed fields, both ventrally and dorsally of each implant. Generally the densitometric measurement fields were located at the (upper) cortex, the upper spongiosa and the lower spongiosa of the onlay graft. The OLCRs were also used for measurements of the height of the complete graft and of the thickness of the cortex of the graft, using a gauged caliper. The results indicate the following remodelling of the structure of the onlay grafts: 1) decrease in the thickness and the radiographic density of the (upper) cortex of the onlay graft predominantly in the first 6‐month period; 2) no significant changes in the radiographic density of the upper spongeous part of the graft; 3) a decrease of approximately 25% in the overall height of the graft, particularly during the first 6‐month period; 4) an increase in the radiographic density of the lower part of the spongeous bone in the second 6‐month period. It is concluded that the remodelling of the graft has a predictable pattern in time: the first half year being dominated by bone resorption, mainly confined to the cortex of the graft, whereas the second half year is characterized by an increase in bone density in the (remaining) cortex as well as the lower spongeous parts of the graft.</abstract><qualityIndicators><score>10</score><pdfWordCount>6066</pdfWordCount><pdfCharCount>37494</pdfCharCount><pdfVersion>1.2</pdfVersion><pdfPageCount>12</pdfPageCount><pdfPageSize>595 x 794 pts</pdfPageSize><refBibsNative>false</refBibsNative><abstractWordCount>317</abstractWordCount><abstractCharCount>1940</abstractCharCount><keywordCount>4</keywordCount></qualityIndicators><title>Onlay grafts in combination with endosseous implants in severe mandibular atrophy: one year results of a prospective, quantitative radiological study</title><pmid><json:string>11168252</json:string></pmid><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>11</volume><issue>6</issue><pages><first>583</first><last>594</last><total>12</total></pages><genre><json:string>journal</json:string></genre></host><namedEntities><unitex><date><json:string>2000</json:string><json:string>1997</json:string></date><geogName></geogName><orgName><json:string>Netherlands Key</json:string><json:string>University Medical Centre of Utrecht</json:string><json:string>Utrecht University</json:string><json:string>Academic Medical Center, Amsterdam</json:string><json:string>Netherlands Tel</json:string><json:string>Department of Image Processing and Design</json:string><json:string>Department of Anatomy and Embryology</json:string></orgName><orgName_funder></orgName_funder><orgName_provider></orgName_provider><persName><json:string>Maarten Terlou</json:string><json:string>J.W. Verhoeven</json:string><json:string>Marco Stephan</json:string><json:string>Jan Ruijter</json:string></persName><placeName><json:string>Utrecht</json:string><json:string>Germany</json:string><json:string>Mannheim</json:string></placeName><ref_url></ref_url><ref_bibl><json:string>Neukam et al. 1989, 1993</json:string><json:string>Ruijter et al. 1999</json:string><json:string>Verhoeven et al. 1997</json:string><json:string>Weingart et al. 1993</json:string><json:string>Brägger et al. 1991</json:string><json:string>Verhoeven et al. 1997, 1998</json:string><json:string>Verhoeven et al.</json:string><json:string>Ehrenfeld et al. 1995</json:string><json:string>Rüttiman & Webber 1987</json:string><json:string>Vermeeren et al. 1996</json:string><json:string>Schliephake et al. 1994</json:string><json:string>Jeffcoat & Reddy 1993</json:string><json:string>McGrath et al. 1996</json:string><json:string>Fourmousis et al. 1994a, 1994b</json:string><json:string>Schmelzeisen et al. 1991</json:string><json:string>Omnell 1957</json:string><json:string>Webber et al. 1990</json:string><json:string>Verhoeven 2000</json:string><json:string>Jeffcoat 1992</json:string><json:string>Verhoeven & Cune 2000</json:string><json:string>Jacobs & van Steenberghe 1998</json:string><json:string>Hermann et al. 1997</json:string><json:string>Schliephake et al. 1997</json:string><json:string>Nicopoulou et al. 1997</json:string><json:string>Verhoeven et al. 1998, 2000</json:string><json:string>Verhoeven et al. 1998</json:string><json:string>Weingart et al. 1994</json:string><json:string>Conover 1980</json:string><json:string>Benn 1990</json:string><json:string>Vos et al. 1986</json:string><json:string>Verhoeven et al. 2000</json:string><json:string>Haers et al. 1991</json:string><json:string>Brägger 1994</json:string><json:string>Janssen 1987</json:string><json:string>Brägger 1988</json:string></ref_bibl><bibl></bibl></unitex></namedEntities><ark><json:string>ark:/67375/WNG-2NRSG8CM-8</json:string></ark><categories><wos><json:string>1 - science</json:string><json:string>2 - engineering, biomedical</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 - Oral Surgery</json:string></scopus><inist><json:string>1 - sciences appliquees, technologies et medecines</json:string><json:string>2 - sciences biologiques et medicales</json:string><json:string>3 - sciences medicales</json:string></inist></categories><publicationDate>2000</publicationDate><copyrightDate>2000</copyrightDate><doi><json:string>10.1034/j.1600-0501.2000.011006583.x</json:string></doi><id>1742BBFCC0A3381089BF5BECC924F79B94730AB2</id><score>1</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/1742BBFCC0A3381089BF5BECC924F79B94730AB2/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/1742BBFCC0A3381089BF5BECC924F79B94730AB2/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/1742BBFCC0A3381089BF5BECC924F79B94730AB2/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main">Onlay grafts in combination with endosseous implants in severe mandibular atrophy: one year results of a prospective, quantitative radiological study</title><respStmt><resp>Références bibliographiques récupérées via GROBID</resp><name resp="ISTEX-API">ISTEX-API (INIST-CNRS)</name></respStmt></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>Munksgaard International Publishers</publisher><pubPlace>Copenhagen</pubPlace><date type="published" when="2000-12"></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">Onlay grafts in combination with endosseous implants in severe mandibular atrophy: one year results of a prospective, quantitative radiological study</title><title level="a" type="short">Onlay grafts and endosseous implants in severe mandibular atrophy</title><author xml:id="author-0000"><persName><forename type="first">Jan Willem</forename><surname>Verhoeven</surname></persName><affiliation>Department of Oral & Maxillofacial Surgery, Prosthodontics and Special Dental Care, Utrecht University,</affiliation></author><author xml:id="author-0001"><persName><forename type="first">Jan</forename><surname>Ruijter</surname></persName><affiliation>Department of Image Processing and Design, Faculty of Biology, Utrecht University,</affiliation><affiliation>currently: Department of Anatomy and Embryology, Academic Medical Center, Amsterdam, The Netherlands<address><country key="NL"></country></address></affiliation></author><author xml:id="author-0002"><persName><forename type="first">Marco Stephan</forename><surname>Cune</surname></persName><affiliation>Department of Oral & Maxillofacial Surgery, Prosthodontics and Special Dental Care, Utrecht University,</affiliation></author><author xml:id="author-0003"><persName><forename type="first">Maarten</forename><surname>Terlou</surname></persName><affiliation>Department of Image Processing and Design, Faculty of Biology, Utrecht University,</affiliation></author><author xml:id="author-0004"><persName><forename type="first">Marjolein</forename><surname>Zoon</surname></persName><affiliation>Department of Oral & Maxillofacial Surgery, Prosthodontics and Special Dental Care, Utrecht University,</affiliation></author><idno type="istex">1742BBFCC0A3381089BF5BECC924F79B94730AB2</idno><idno type="ark">ark:/67375/WNG-2NRSG8CM-8</idno><idno type="DOI">10.1034/j.1600-0501.2000.011006583.x</idno><idno type="supplier">clr9o576</idno><idno type="unit">CLR11006583</idno><idno type="toTypesetVersion">file:CLR.CLR11006583.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.2000.11.issue-6</idno><idno type="product">CLR</idno><idno type="publisherDivision">ST</idno><imprint><biblScope unit="vol">11</biblScope><biblScope unit="issue">6</biblScope><biblScope unit="page" from="583">583</biblScope><biblScope unit="page" to="594">594</biblScope><biblScope unit="page-count">12</biblScope><publisher>Munksgaard International Publishers</publisher><pubPlace>Copenhagen</pubPlace><date type="published" when="2000-12"></date></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><abstract xml:lang="en" style="main"><p>In taking an overall view of the radiographs made of patients that underwent simultaneous onlay‐grafting and implant placement in the anterior mandible, changes are seen in the grafts. The impression arose that a number of stages could be distinguished in this process of remodelling of the graft. The purpose of the present study was to objectivate the existence of those stages in the first year after bone‐grafting by densitometric and height measurements of the onlay grafts using standardized extraoral radiographs (OLCR) and densitometric analysis in a group of 8 patients. OLCRs were taken at regular intervals in the first year after surgery. The measurements were performed in three fixed fields, both ventrally and dorsally of each implant. Generally the densitometric measurement fields were located at the (upper) cortex, the upper spongiosa and the lower spongiosa of the onlay graft. The OLCRs were also used for measurements of the height of the complete graft and of the thickness of the cortex of the graft, using a gauged caliper. The results indicate the following remodelling of the structure of the onlay grafts: 1) decrease in the thickness and the radiographic density of the (upper) cortex of the onlay graft predominantly in the first 6‐month period; 2) no significant changes in the radiographic density of the upper spongeous part of the graft; 3) a decrease of approximately 25% in the overall height of the graft, particularly during the first 6‐month period; 4) an increase in the radiographic density of the lower part of the spongeous bone in the second 6‐month period. It is concluded that the remodelling of the graft has a predictable pattern in time: the first half year being dominated by bone resorption, mainly confined to the cortex of the graft, whereas the second half year is characterized by an increase in bone density in the (remaining) cortex as well as the lower spongeous parts of the graft.</p></abstract><textClass><keywords xml:lang="en"><term xml:id="k1">endosseous implants</term><term xml:id="k2">bone graft</term><term xml:id="k3">radiography</term><term xml:id="k4">densitometry</term></keywords><keywords rend="tocHeading1"><term>Original Article</term></keywords></textClass><langUsage><language ident="en"></language></langUsage></profileDesc><revisionDesc><change>undefined</change><change>[object Object]</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/1742BBFCC0A3381089BF5BECC924F79B94730AB2/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley component found"><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>Munksgaard International Publishers</publisherName><publisherLoc>Copenhagen</publisherLoc></publisherInfo><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><id type="publisherDivision" value="ST"></id></idGroup><titleGroup><title type="main" sort="CLINICAL ORAL IMPLANTS RESEARCH">Clinical Oral Implants Research</title></titleGroup></publicationMeta><publicationMeta level="part" position="12006"><doi origin="wiley">10.1111/clr.2000.11.issue-6</doi><numberingGroup><numbering type="journalVolume" number="11">11</numbering><numbering type="journalIssue" number="6">6</numbering></numberingGroup><coverDate startDate="2000-12">December 2000</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="0058300" status="forIssue"><doi origin="wiley">10.1034/j.1600-0501.2000.011006583.x</doi><idGroup><id type="supplier" value="clr9o576"></id><id type="unit" value="CLR11006583"></id></idGroup><countGroup><count type="pageTotal" number="12"></count></countGroup><titleGroup><title type="tocHeading1">Original Article</title></titleGroup><eventGroup><event type="firstOnline" date="2001-12-25"></event><event type="publishedOnlineFinalForm" date="2001-12-25"></event><event type="xmlConverted" agent="Converter:BPG_TO_WML3G version:2.3.2 mode:FullText source:Header result:Header" date="2010-03-15"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:4.0.1" date="2014-03-12"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-10-16"></event></eventGroup><numberingGroup><numbering type="pageFirst" number="583">583</numbering><numbering type="pageLast" number="594">594</numbering></numberingGroup><correspondenceTo>J.W. Verhoeven, Utrecht University, Dept of Oral & Maxillofacial Surgery, Prosthodontics and Special Dental Care, P.O. Box 80.037, 3508 TA Utrecht, The Netherlands
Tel.: +31 302533540
Fax: +31 302535537
</correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:CLR.CLR11006583.pdf"></link></linkGroup></publicationMeta><contentMeta><unparsedEditorialHistory>Accepted for publication 11 November 1999</unparsedEditorialHistory><countGroup><count type="figureTotal" number="0"></count><count type="tableTotal" number="0"></count><count type="formulaTotal" number="0"></count><count type="referenceTotal" number="0"></count><count type="wordTotal" number="6994"></count><count type="linksPubMed" number="0"></count><count type="linksCrossRef" number="0"></count></countGroup><titleGroup><title type="main">Onlay grafts in combination with endosseous implants in severe mandibular atrophy: one year results of a prospective, quantitative radiological study</title><title type="shortAuthors">Verhoeven et al.</title><title type="short">Onlay grafts and endosseous implants in severe mandibular atrophy</title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" affiliationRef="#a1"><personName><givenNames>Jan Willem</givenNames><familyName>Verhoeven</familyName></personName></creator><creator creatorRole="author" xml:id="cr2" affiliationRef="#a2 #a3"><personName><givenNames>Jan</givenNames><familyName>Ruijter</familyName></personName></creator><creator creatorRole="author" xml:id="cr3" affiliationRef="#a1"><personName><givenNames>Marco Stephan</givenNames><familyName>Cune</familyName></personName></creator><creator creatorRole="author" xml:id="cr4" affiliationRef="#a2"><personName><givenNames>Maarten</givenNames><familyName>Terlou</familyName></personName></creator><creator creatorRole="author" xml:id="cr5" affiliationRef="#a1"><personName><givenNames>Marjolein</givenNames><familyName>Zoon</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="a1"><unparsedAffiliation>Department of Oral & Maxillofacial Surgery, Prosthodontics and Special Dental Care, Utrecht University,</unparsedAffiliation></affiliation><affiliation xml:id="a2"><unparsedAffiliation>Department of Image Processing and Design, Faculty of Biology, Utrecht University,</unparsedAffiliation></affiliation><affiliation xml:id="a3" countryCode="NL"><unparsedAffiliation>currently: Department of Anatomy and Embryology, Academic Medical Center, Amsterdam, The Netherlands</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">endosseous implants</keyword><keyword xml:id="k2">bone graft</keyword><keyword xml:id="k3">radiography</keyword><keyword xml:id="k4">densitometry</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><p>In taking an overall view of the radiographs made of patients that underwent simultaneous onlay‐grafting and implant placement in the anterior mandible, changes are seen in the grafts. The impression arose that a number of stages could be distinguished in this process of remodelling of the graft. The purpose of the present study was to objectivate the existence of those stages in the first year after bone‐grafting by densitometric and height measurements of the onlay grafts using standardized extraoral radiographs (OLCR) and densitometric analysis in a group of 8 patients. OLCRs were taken at regular intervals in the first year after surgery. The measurements were performed in three fixed fields, both ventrally and dorsally of each implant. Generally the densitometric measurement fields were located at the (upper) cortex, the upper spongiosa and the lower spongiosa of the onlay graft. The OLCRs were also used for measurements of the height of the complete graft and of the thickness of the cortex of the graft, using a gauged caliper. The results indicate the following remodelling of the structure of the onlay grafts: 1) decrease in the thickness and the radiographic density of the (upper) cortex of the onlay graft predominantly in the first 6‐month period; 2) no significant changes in the radiographic density of the upper spongeous part of the graft; 3) a decrease of approximately 25% in the overall height of the graft, particularly during the first 6‐month period; 4) an increase in the radiographic density of the lower part of the spongeous bone in the second 6‐month period. It is concluded that the remodelling of the graft has a predictable pattern in time: the first half year being dominated by bone resorption, mainly confined to the cortex of the graft, whereas the second half year is characterized by an increase in bone density in the (remaining) cortex as well as the lower spongeous parts of the graft.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Onlay grafts in combination with endosseous implants in severe mandibular atrophy: one year results of a prospective, quantitative radiological study</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Onlay grafts and endosseous implants in severe mandibular atrophy</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Onlay grafts in combination with endosseous implants in severe mandibular atrophy: one year results of a prospective, quantitative radiological study</title></titleInfo><name type="personal"><namePart type="given">Jan Willem</namePart><namePart type="family">Verhoeven</namePart><affiliation>Department of Oral & Maxillofacial Surgery, Prosthodontics and Special Dental Care, Utrecht University,</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Jan</namePart><namePart type="family">Ruijter</namePart><affiliation>Department of Image Processing and Design, Faculty of Biology, Utrecht University,</affiliation><affiliation>currently: Department of Anatomy and Embryology, Academic Medical Center, Amsterdam, The Netherlands</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Marco Stephan</namePart><namePart type="family">Cune</namePart><affiliation>Department of Oral & Maxillofacial Surgery, Prosthodontics and Special Dental Care, Utrecht University,</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Maarten</namePart><namePart type="family">Terlou</namePart><affiliation>Department of Image Processing and Design, Faculty of Biology, Utrecht University,</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Marjolein</namePart><namePart type="family">Zoon</namePart><affiliation>Department of Oral & Maxillofacial Surgery, Prosthodontics and Special Dental Care, Utrecht University,</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>Munksgaard International Publishers</publisher><place><placeTerm type="text">Copenhagen</placeTerm></place><dateIssued encoding="w3cdtf">2000-12</dateIssued><edition>Accepted for publication 11 November 1999</edition><copyrightDate encoding="w3cdtf">2000</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><extent unit="figures">0</extent><extent unit="tables">0</extent><extent unit="formulas">0</extent><extent unit="references">0</extent><extent unit="linksCrossRef">0</extent><extent unit="words">6994</extent></physicalDescription><abstract lang="en">In taking an overall view of the radiographs made of patients that underwent simultaneous onlay‐grafting and implant placement in the anterior mandible, changes are seen in the grafts. The impression arose that a number of stages could be distinguished in this process of remodelling of the graft. The purpose of the present study was to objectivate the existence of those stages in the first year after bone‐grafting by densitometric and height measurements of the onlay grafts using standardized extraoral radiographs (OLCR) and densitometric analysis in a group of 8 patients. OLCRs were taken at regular intervals in the first year after surgery. The measurements were performed in three fixed fields, both ventrally and dorsally of each implant. Generally the densitometric measurement fields were located at the (upper) cortex, the upper spongiosa and the lower spongiosa of the onlay graft. The OLCRs were also used for measurements of the height of the complete graft and of the thickness of the cortex of the graft, using a gauged caliper. The results indicate the following remodelling of the structure of the onlay grafts: 1) decrease in the thickness and the radiographic density of the (upper) cortex of the onlay graft predominantly in the first 6‐month period; 2) no significant changes in the radiographic density of the upper spongeous part of the graft; 3) a decrease of approximately 25% in the overall height of the graft, particularly during the first 6‐month period; 4) an increase in the radiographic density of the lower part of the spongeous bone in the second 6‐month period. It is concluded that the remodelling of the graft has a predictable pattern in time: the first half year being dominated by bone resorption, mainly confined to the cortex of the graft, whereas the second half year is characterized by an increase in bone density in the (remaining) cortex as well as the lower spongeous parts of the graft.</abstract><subject lang="en"><genre>keywords</genre><topic>endosseous implants</topic><topic>bone graft</topic><topic>radiography</topic><topic>densitometry</topic></subject><relatedItem type="host"><titleInfo><title>Clinical Oral Implants 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><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>2000</date><detail type="volume"><caption>vol.</caption><number>11</number></detail><detail type="issue"><caption>no.</caption><number>6</number></detail><extent unit="pages"><start>583</start><end>594</end><total>12</total></extent></part></relatedItem><identifier type="istex">1742BBFCC0A3381089BF5BECC924F79B94730AB2</identifier><identifier type="ark">ark:/67375/WNG-2NRSG8CM-8</identifier><identifier type="DOI">10.1034/j.1600-0501.2000.011006583.x</identifier><identifier type="ArticleID">clr9o576</identifier><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>Munksgaard International Publishers</recordOrigin></recordInfo></mods><json:item><extension>json</extension><original>false</original><mimetype>application/json</mimetype><uri>https://api.istex.fr/document/1742BBFCC0A3381089BF5BECC924F79B94730AB2/metadata/json</uri></json:item></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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