Clinical analysis of implant losses in oral tumor and defect patients
Identifieur interne : 006980 ( Istex/Corpus ); précédent : 006979; suivant : 006981Clinical analysis of implant losses in oral tumor and defect patients
Auteurs : Adorján F. KovácsSource :
- Clinical Oral Implants Research [ 0905-7161 ] ; 2000-10.
English descriptors
- KwdEn :
- Biomechanical overloading, Bone graft, Bone grafts, Bone loss, Bone resorption, Cancer patients, Chemotherapy, Defect, Defect patients, Dental restoration, Denture, Descriptive analysis, Free bone graft, Free bone grafts, Full dentures, Graft, Greater risk, Healthy patients, Higher risk, Implant, Implant dimensions, Implant length, Implant lengths, Implant loss, Implant losses, Implant placement, Implant survival, Implant treatment, Implantate, Implantes, International journal, Kovacs, Mandible, Mandibular, Maxilla, Maxillary, Maxillofacial, Maxillofacial implants, Oral cavity, Oral tumor, Osseointegrated implants, Osseointegration, Overloading, Para, Partial denture, Patienten, Perte, Plaque index, Present study, Primary osseointegration, Prosthetic, Prosthetic faults, Radiological signs, Reconstructive surgery, Recurrence, Resorption, Shot injury, Superstructure, Survival rate, Tetsch, Tumor patients, Tumor recurrence, Tumor recurrences, Vertical bone loss, Weischer mohr, Zahnarztliche implantologie.
- Teeft :
- Biomechanical overloading, Bone graft, Bone grafts, Bone loss, Bone resorption, Cancer patients, Chemotherapy, Defect, Defect patients, Dental restoration, Denture, Descriptive analysis, Free bone graft, Free bone grafts, Full dentures, Graft, Greater risk, Healthy patients, Higher risk, Implant, Implant dimensions, Implant length, Implant lengths, Implant loss, Implant losses, Implant placement, Implant survival, Implant treatment, Implantate, Implantes, International journal, Kovacs, Mandible, Mandibular, Maxilla, Maxillary, Maxillofacial, Maxillofacial implants, Oral cavity, Oral tumor, Osseointegrated implants, Osseointegration, Overloading, Para, Partial denture, Patienten, Perte, Plaque index, Present study, Primary osseointegration, Prosthetic, Prosthetic faults, Radiological signs, Reconstructive surgery, Recurrence, Resorption, Shot injury, Superstructure, Survival rate, Tetsch, Tumor patients, Tumor recurrence, Tumor recurrences, Vertical bone loss, Weischer mohr, Zahnarztliche implantologie.
Abstract
In the period between 1990 and 1996, 279 endosteal dental Bone‐Lock implants were placed in 79 patients. Of them 63 have been treated with ablative tumor and reconstructive surgery in the oral cavity, the rest presented with maxillo‐mandibular defects of different origin. The circumstances of implant loss were noted down for descriptive analysis concerning age, sex, topography, implant dimensions, loading, time in place and type of superstructure. Failure analysis was done concerning the implants and the patients. Five causes for implant loss could be detected: lacking primary osseointegration, acute inflammation, bone loss, biomechanical overloading and tumor recurrence. No predictive factors for implant loss and no age influence on implant loss could be detected, no specific local implant site and no specific superstructure had an identifiable higher risk. Survival rate of all placed implants in oral tumor and defect patients was 83.5% after 6 years observation. Male tumor patients were found to have a higher risk to lose implants than females. Free iliac bone grafts impaired osseointegration of implants. The mandible offered a better prognosis for the implants than the maxilla. Shorter and thinner implants had a higher risk of being lost. A quarter of all patients (26.3%) had to face implant loss. Clustering of implant loss in several patients was caused by free iliac bone grafting and by prosthetic faults. Chemotherapy had no negative influence on implant survival. Most implants were lost early (76%) before fabrication of the prosthesis. After restoration there was a nearly 100% probability of function. It is concluded that implant treatment can be equally effective for tumor and defect patients as it is known for healthy subjects.
Url:
DOI: 10.1034/j.1600-0501.2000.011005494.x
Links to Exploration step
ISTEX:D4BB606E5CB3F19CD543B27251AFF7948E752327Le document en format XML
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Of them 63 have been treated with ablative tumor and reconstructive surgery in the oral cavity, the rest presented with maxillo‐mandibular defects of different origin. The circumstances of implant loss were noted down for descriptive analysis concerning age, sex, topography, implant dimensions, loading, time in place and type of superstructure. Failure analysis was done concerning the implants and the patients. Five causes for implant loss could be detected: lacking primary osseointegration, acute inflammation, bone loss, biomechanical overloading and tumor recurrence. No predictive factors for implant loss and no age influence on implant loss could be detected, no specific local implant site and no specific superstructure had an identifiable higher risk. Survival rate of all placed implants in oral tumor and defect patients was 83.5% after 6 years observation. Male tumor patients were found to have a higher risk to lose implants than females. Free iliac bone grafts impaired osseointegration of implants. The mandible offered a better prognosis for the implants than the maxilla. Shorter and thinner implants had a higher risk of being lost. A quarter of all patients (26.3%) had to face implant loss. Clustering of implant loss in several patients was caused by free iliac bone grafting and by prosthetic faults. Chemotherapy had no negative influence on implant survival. Most implants were lost early (76%) before fabrication of the prosthesis. After restoration there was a nearly 100% probability of function. It is concluded that implant treatment can be equally effective for tumor and defect patients as it is known for healthy subjects.</div></front></TEI><istex><corpusName>wiley</corpusName><keywords><teeft><json:string>implant</json:string><json:string>implant loss</json:string><json:string>osseointegration</json:string><json:string>mandible</json:string><json:string>graft</json:string><json:string>recurrence</json:string><json:string>resorption</json:string><json:string>kovacs</json:string><json:string>implantes</json:string><json:string>overloading</json:string><json:string>implant losses</json:string><json:string>prosthetic</json:string><json:string>maxilla</json:string><json:string>denture</json:string><json:string>chemotherapy</json:string><json:string>healthy patients</json:string><json:string>maxillary</json:string><json:string>maxillofacial</json:string><json:string>international journal</json:string><json:string>tumor patients</json:string><json:string>defect patients</json:string><json:string>bone resorption</json:string><json:string>implantate</json:string><json:string>superstructure</json:string><json:string>bone graft</json:string><json:string>bone grafts</json:string><json:string>mandibular</json:string><json:string>tumor recurrence</json:string><json:string>patienten</json:string><json:string>free bone graft</json:string><json:string>maxillofacial implants</json:string><json:string>primary osseointegration</json:string><json:string>implant placement</json:string><json:string>implant treatment</json:string><json:string>tetsch</json:string><json:string>higher risk</json:string><json:string>plaque index</json:string><json:string>para</json:string><json:string>perte</json:string><json:string>implant length</json:string><json:string>present study</json:string><json:string>implant lengths</json:string><json:string>partial denture</json:string><json:string>cancer patients</json:string><json:string>osseointegrated implants</json:string><json:string>implant survival</json:string><json:string>biomechanical overloading</json:string><json:string>descriptive analysis</json:string><json:string>oral cavity</json:string><json:string>defect</json:string><json:string>zahnarztliche implantologie</json:string><json:string>free bone grafts</json:string><json:string>tumor recurrences</json:string><json:string>shot injury</json:string><json:string>greater risk</json:string><json:string>reconstructive surgery</json:string><json:string>dental restoration</json:string><json:string>implant dimensions</json:string><json:string>survival rate</json:string><json:string>prosthetic faults</json:string><json:string>full dentures</json:string><json:string>radiological signs</json:string><json:string>vertical bone loss</json:string><json:string>bone loss</json:string><json:string>oral tumor</json:string><json:string>weischer mohr</json:string></teeft></keywords><author><json:item><name>Adorján F. Kovács</name><affiliations><json:string>Department of Maxillofacial Plastic Surgery, Frankfurt University Medical School, Frankfurt am Main, Germany</json:string></affiliations></json:item></author><subject><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>head and neck neoplasms</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>long‐term results</value></json:item></subject><articleId><json:string>clr8o458</json:string></articleId><arkIstex>ark:/67375/WNG-X37VLWK8-2</arkIstex><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>In the period between 1990 and 1996, 279 endosteal dental Bone‐Lock implants were placed in 79 patients. Of them 63 have been treated with ablative tumor and reconstructive surgery in the oral cavity, the rest presented with maxillo‐mandibular defects of different origin. The circumstances of implant loss were noted down for descriptive analysis concerning age, sex, topography, implant dimensions, loading, time in place and type of superstructure. Failure analysis was done concerning the implants and the patients. Five causes for implant loss could be detected: lacking primary osseointegration, acute inflammation, bone loss, biomechanical overloading and tumor recurrence. No predictive factors for implant loss and no age influence on implant loss could be detected, no specific local implant site and no specific superstructure had an identifiable higher risk. Survival rate of all placed implants in oral tumor and defect patients was 83.5% after 6 years observation. Male tumor patients were found to have a higher risk to lose implants than females. Free iliac bone grafts impaired osseointegration of implants. The mandible offered a better prognosis for the implants than the maxilla. Shorter and thinner implants had a higher risk of being lost. A quarter of all patients (26.3%) had to face implant loss. Clustering of implant loss in several patients was caused by free iliac bone grafting and by prosthetic faults. Chemotherapy had no negative influence on implant survival. Most implants were lost early (76%) before fabrication of the prosthesis. After restoration there was a nearly 100% probability of function. It is concluded that implant treatment can be equally effective for tumor and defect patients as it is known for healthy subjects.</abstract><qualityIndicators><score>10</score><pdfWordCount>5965</pdfWordCount><pdfCharCount>38680</pdfCharCount><pdfVersion>1.2</pdfVersion><pdfPageCount>11</pdfPageCount><pdfPageSize>595 x 794 pts</pdfPageSize><refBibsNative>false</refBibsNative><abstractWordCount>271</abstractWordCount><abstractCharCount>1765</abstractCharCount><keywordCount>3</keywordCount></qualityIndicators><title>Clinical analysis of implant losses in oral tumor and defect patients</title><pmid><json:string>11168242</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>5</issue><pages><first>494</first><last>504</last><total>11</total></pages><genre><json:string>journal</json:string></genre></host><namedEntities><unitex><date><json:string>2000</json:string><json:string>1990</json:string><json:string>1996</json:string></date><geogName></geogName><orgName><json:string>Frankfurt University</json:string><json:string>Germany Accepted</json:string><json:string>Germany Key</json:string></orgName><orgName_funder></orgName_funder><orgName_provider></orgName_provider><persName><json:string>Age</json:string></persName><placeName><json:string>Germany</json:string><json:string>SC</json:string><json:string>KAL</json:string><json:string>Frankfurt</json:string><json:string>Auch</json:string></placeName><ref_url></ref_url><ref_bibl><json:string>Granstrom et al. 1994</json:string><json:string>Niimi et al. 1997</json:string><json:string>Lukas & Schulte 1990</json:string><json:string>Haas et al. 1996</json:string><json:string>Niedermeier et al. 1995</json:string><json:string>Muller et al. (1995)</json:string><json:string>Tetsch 1991</json:string><json:string>Adell et al. 1990</json:string><json:string>Listgarden 1997</json:string><json:string>Betz et al. 1995</json:string><json:string>Albrektsson et al. 1986</json:string><json:string>Loe 1967</json:string><json:string>Urken et al. 1991</json:string><json:string>Fugazzotto 1997</json:string><json:string>Blomqvist et al. 1996</json:string><json:string>Betz et al. (1995)</json:string><json:string>Gurlek et al. 1998</json:string><json:string>Muller et al. 1995</json:string><json:string>Kovacs 1998a</json:string><json:string>Cune & de Putter 1996</json:string><json:string>Watzinger et al. 1996</json:string><json:string>Weischer & Mohr 1997</json:string><json:string>Silness & Loe 1964</json:string><json:string>Urken 1998</json:string><json:string>Schiel et al. 1995</json:string></ref_bibl><bibl></bibl></unitex></namedEntities><ark><json:string>ark:/67375/WNG-X37VLWK8-2</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><json:string>4 - chirurgie (generalites). transplantations, greffes d'organes et de tissus. pathologie des greffons</json:string></inist></categories><publicationDate>2000</publicationDate><copyrightDate>2000</copyrightDate><doi><json:string>10.1034/j.1600-0501.2000.011005494.x</json:string></doi><id>D4BB606E5CB3F19CD543B27251AFF7948E752327</id><score>1</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/D4BB606E5CB3F19CD543B27251AFF7948E752327/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/D4BB606E5CB3F19CD543B27251AFF7948E752327/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/D4BB606E5CB3F19CD543B27251AFF7948E752327/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main">Clinical analysis of implant losses in oral tumor and defect patients</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="2000-10"></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 analysis of implant losses in oral tumor and defect patients</title><title level="a" type="short">Implant loss in tumor and defect patients</title><author xml:id="author-0000"><persName><forename type="first">Adorján F.</forename><surname>Kovács</surname></persName><affiliation>Department of Maxillofacial Plastic Surgery, Frankfurt University Medical School, Frankfurt am Main, Germany<address><country key="DE"></country></address></affiliation></author><idno type="istex">D4BB606E5CB3F19CD543B27251AFF7948E752327</idno><idno type="ark">ark:/67375/WNG-X37VLWK8-2</idno><idno type="DOI">10.1034/j.1600-0501.2000.011005494.x</idno><idno type="supplier">clr8o458</idno><idno type="unit">CLR11005494</idno><idno type="toTypesetVersion">file:CLR.CLR11005494.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-5</idno><idno type="product">CLR</idno><idno type="publisherDivision">ST</idno><imprint><biblScope unit="vol">11</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="494">494</biblScope><biblScope unit="page" to="504">504</biblScope><biblScope unit="page-count">11</biblScope><publisher>Munksgaard International Publishers</publisher><pubPlace>Copenhagen</pubPlace><date type="published" when="2000-10"></date></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><abstract xml:lang="en" style="main"><p>In the period between 1990 and 1996, 279 endosteal dental Bone‐Lock implants were placed in 79 patients. Of them 63 have been treated with ablative tumor and reconstructive surgery in the oral cavity, the rest presented with maxillo‐mandibular defects of different origin. The circumstances of implant loss were noted down for descriptive analysis concerning age, sex, topography, implant dimensions, loading, time in place and type of superstructure. Failure analysis was done concerning the implants and the patients. Five causes for implant loss could be detected: lacking primary osseointegration, acute inflammation, bone loss, biomechanical overloading and tumor recurrence. No predictive factors for implant loss and no age influence on implant loss could be detected, no specific local implant site and no specific superstructure had an identifiable higher risk. Survival rate of all placed implants in oral tumor and defect patients was 83.5% after 6 years observation. Male tumor patients were found to have a higher risk to lose implants than females. Free iliac bone grafts impaired osseointegration of implants. The mandible offered a better prognosis for the implants than the maxilla. Shorter and thinner implants had a higher risk of being lost. A quarter of all patients (26.3%) had to face implant loss. Clustering of implant loss in several patients was caused by free iliac bone grafting and by prosthetic faults. Chemotherapy had no negative influence on implant survival. Most implants were lost early (76%) before fabrication of the prosthesis. After restoration there was a nearly 100% probability of function. It is concluded that implant treatment can be equally effective for tumor and defect patients as it is known for healthy subjects.</p></abstract><textClass><keywords xml:lang="en"><term xml:id="k1">dental implants</term><term xml:id="k2">head and neck neoplasms</term><term xml:id="k3">long‐term results</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/D4BB606E5CB3F19CD543B27251AFF7948E752327/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="10005"><doi origin="wiley">10.1111/clr.2000.11.issue-5</doi><numberingGroup><numbering type="journalVolume" number="11">11</numbering><numbering type="journalIssue" number="5">5</numbering></numberingGroup><coverDate startDate="2000-10">October 2000</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="0049400" status="forIssue"><doi origin="wiley">10.1034/j.1600-0501.2000.011005494.x</doi><idGroup><id type="supplier" value="clr8o458"></id><id type="unit" value="CLR11005494"></id></idGroup><countGroup><count type="pageTotal" number="11"></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="2014-10-17"></event></eventGroup><numberingGroup><numbering type="pageFirst" number="494">494</numbering><numbering type="pageLast" number="504">504</numbering></numberingGroup><correspondenceTo>Dr med. Dr med. dent. Adorján F. Kovács, Klinik und Poliklinik für Kiefer‐ und Plastische Gesichtschirurgie, Universitätsklinik Haus 21, Theodor‐Stern‐Kai 7, D‐60590 Frankfurt am Main, Germany</correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:CLR.CLR11005494.pdf"></link></linkGroup></publicationMeta><contentMeta><unparsedEditorialHistory>Accepted for publication 28 January 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="7496"></count><count type="linksPubMed" number="0"></count><count type="linksCrossRef" number="0"></count></countGroup><titleGroup><title type="main">Clinical analysis of implant losses in oral tumor and defect patients</title><title type="shortAuthors">Kovács</title><title type="short">Implant loss in tumor and defect patients</title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" affiliationRef="#aff-1-1"><personName><givenNames>Adorján F.</givenNames><familyName>Kovács</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="aff-1-1" countryCode="DE"><unparsedAffiliation>Department of Maxillofacial Plastic Surgery, Frankfurt University Medical School, Frankfurt am Main, Germany</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">dental implants</keyword><keyword xml:id="k2">head and neck neoplasms</keyword><keyword xml:id="k3">long‐term results</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><p>In the period between 1990 and 1996, 279 endosteal dental Bone‐Lock implants were placed in 79 patients. Of them 63 have been treated with ablative tumor and reconstructive surgery in the oral cavity, the rest presented with maxillo‐mandibular defects of different origin. The circumstances of implant loss were noted down for descriptive analysis concerning age, sex, topography, implant dimensions, loading, time in place and type of superstructure. Failure analysis was done concerning the implants and the patients. Five causes for implant loss could be detected: lacking primary osseointegration, acute inflammation, bone loss, biomechanical overloading and tumor recurrence. No predictive factors for implant loss and no age influence on implant loss could be detected, no specific local implant site and no specific superstructure had an identifiable higher risk. Survival rate of all placed implants in oral tumor and defect patients was 83.5% after 6 years observation. Male tumor patients were found to have a higher risk to lose implants than females. Free iliac bone grafts impaired osseointegration of implants. The mandible offered a better prognosis for the implants than the maxilla. Shorter and thinner implants had a higher risk of being lost. A quarter of all patients (26.3%) had to face implant loss. Clustering of implant loss in several patients was caused by free iliac bone grafting and by prosthetic faults. Chemotherapy had no negative influence on implant survival. Most implants were lost early (76%) before fabrication of the prosthesis. After restoration there was a nearly 100% probability of function. It is concluded that implant treatment can be equally effective for tumor and defect patients as it is known for healthy subjects.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Clinical analysis of implant losses in oral tumor and defect patients</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Implant loss in tumor and defect patients</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Clinical analysis of implant losses in oral tumor and defect patients</title></titleInfo><name type="personal"><namePart type="given">Adorján F.</namePart><namePart type="family">Kovács</namePart><affiliation>Department of Maxillofacial Plastic Surgery, Frankfurt University Medical School, Frankfurt am Main, Germany</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">2000-10</dateIssued><edition>Accepted for publication 28 January 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">7496</extent></physicalDescription><abstract lang="en">In the period between 1990 and 1996, 279 endosteal dental Bone‐Lock implants were placed in 79 patients. Of them 63 have been treated with ablative tumor and reconstructive surgery in the oral cavity, the rest presented with maxillo‐mandibular defects of different origin. The circumstances of implant loss were noted down for descriptive analysis concerning age, sex, topography, implant dimensions, loading, time in place and type of superstructure. Failure analysis was done concerning the implants and the patients. Five causes for implant loss could be detected: lacking primary osseointegration, acute inflammation, bone loss, biomechanical overloading and tumor recurrence. No predictive factors for implant loss and no age influence on implant loss could be detected, no specific local implant site and no specific superstructure had an identifiable higher risk. Survival rate of all placed implants in oral tumor and defect patients was 83.5% after 6 years observation. Male tumor patients were found to have a higher risk to lose implants than females. Free iliac bone grafts impaired osseointegration of implants. The mandible offered a better prognosis for the implants than the maxilla. Shorter and thinner implants had a higher risk of being lost. A quarter of all patients (26.3%) had to face implant loss. Clustering of implant loss in several patients was caused by free iliac bone grafting and by prosthetic faults. Chemotherapy had no negative influence on implant survival. Most implants were lost early (76%) before fabrication of the prosthesis. After restoration there was a nearly 100% probability of function. It is concluded that implant treatment can be equally effective for tumor and defect patients as it is known for healthy subjects.</abstract><subject lang="en"><genre>keywords</genre><topic>dental implants</topic><topic>head and neck neoplasms</topic><topic>long‐term results</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>5</number></detail><extent unit="pages"><start>494</start><end>504</end><total>11</total></extent></part></relatedItem><identifier type="istex">D4BB606E5CB3F19CD543B27251AFF7948E752327</identifier><identifier type="ark">ark:/67375/WNG-X37VLWK8-2</identifier><identifier type="DOI">10.1034/j.1600-0501.2000.011005494.x</identifier><identifier type="ArticleID">clr8o458</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/D4BB606E5CB3F19CD543B27251AFF7948E752327/metadata/json</uri></json:item></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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