Early Laser‐Welded Titanium Frameworks Supported by Implants in the Edentulous Mandible: A 15‐Year Comparative Follow‐Up Study
Identifieur interne : 001432 ( Istex/Corpus ); précédent : 001431; suivant : 001433Early Laser‐Welded Titanium Frameworks Supported by Implants in the Edentulous Mandible: A 15‐Year Comparative Follow‐Up Study
Auteurs : Anders Örtorp ; Torsten JemtSource :
- Clinical Implant Dentistry and Related Research [ 1523-0899 ] ; 2009-12.
English descriptors
- KwdEn :
- Alloy, Average bone loss, Bone level, Bone loss, Clin, Clin implant dent relat, Clinical dentistry, Clinical experiences, Clinical implant dentistry, Clinical problems, Control frameworks, Control group, Control groups, Cumulative survival rate, Dent, Dentistry, Different groups, Edentulous, Edentulous jaws, Edentulous mandible, Edentulous patients, Entire period, Fracture, Framework, Framework fractures, Gold alloy, Gold alloy castings, Gold alloy frameworks, Gold alloy group, Implant, Implant dentistry, Implant treatment, Individual implants, Jemt, Laserwelded titanium frameworks, Mandible, Marginal bone level, Marginal bone levels, Marginal bone loss, Maxillofac, Metal frame, More bone loss, Oral maxillofac implants, Osseointegrated, Osseointegrated implants, Patient level, Posterior cantilever, Present study, Prospective study, Prosthesis, Prosthesis placement, Radiographic, Radiographic reference point, Relat, Rtorp, Second generation, Terminal implant, Test group, Time interval, Titanium, Titanium frameworks, Titanium group, Titanium prostheses, Veneer, Zarb.
- Teeft :
- Alloy, Average bone loss, Bone level, Bone loss, Clin, Clin implant dent relat, Clinical dentistry, Clinical experiences, Clinical implant dentistry, Clinical problems, Control frameworks, Control group, Control groups, Cumulative survival rate, Dent, Dentistry, Different groups, Edentulous, Edentulous jaws, Edentulous mandible, Edentulous patients, Entire period, Fracture, Framework, Framework fractures, Gold alloy, Gold alloy castings, Gold alloy frameworks, Gold alloy group, Implant, Implant dentistry, Implant treatment, Individual implants, Jemt, Laserwelded titanium frameworks, Mandible, Marginal bone level, Marginal bone levels, Marginal bone loss, Maxillofac, Metal frame, More bone loss, Oral maxillofac implants, Osseointegrated, Osseointegrated implants, Patient level, Posterior cantilever, Present study, Prospective study, Prosthesis, Prosthesis placement, Radiographic, Radiographic reference point, Relat, Rtorp, Second generation, Terminal implant, Test group, Time interval, Titanium, Titanium frameworks, Titanium group, Titanium prostheses, Veneer, Zarb.
Abstract
Background: Comparative long‐term knowledge of different framework materials in the edentulous implant patient is not available for 15 years of follow‐up.
Url:
DOI: 10.1111/j.1708-8208.2008.00119.x
Links to Exploration step
ISTEX:29C52B4D1EDBE5533287958C0C335ED500691C9CLe document en format XML
<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Early Laser‐Welded Titanium Frameworks Supported by Implants in the Edentulous Mandible: A 15‐Year Comparative Follow‐Up Study</title><author><name sortKey="Ortorp, Anders" sort="Ortorp, Anders" uniqKey="Ortorp A" first="Anders" last="Örtorp">Anders Örtorp</name><affiliation><mods:affiliation>Prosthodontist, The Brånemark Clinic, Public Dental Health Service, Göteborg, Sweden;</mods:affiliation></affiliation><affiliation><mods:affiliation>assistant professor, Department of Prosthetic Dentistry/Dental Material Science, Institute of Odontology, The Sahlgrenska Academy, Göteborg, Sweden;</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: anders.ortorp@vgregion.se</mods:affiliation></affiliation></author><author><name sortKey="Jemt, Torsten" sort="Jemt, Torsten" uniqKey="Jemt T" first="Torsten" last="Jemt">Torsten Jemt</name><affiliation><mods:affiliation>chairman, The 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levels</term><term>Marginal bone loss</term><term>Maxillofac</term><term>Metal frame</term><term>More bone loss</term><term>Oral maxillofac implants</term><term>Osseointegrated</term><term>Osseointegrated implants</term><term>Patient level</term><term>Posterior cantilever</term><term>Present study</term><term>Prospective study</term><term>Prosthesis</term><term>Prosthesis placement</term><term>Radiographic</term><term>Radiographic reference point</term><term>Relat</term><term>Rtorp</term><term>Second generation</term><term>Terminal implant</term><term>Test group</term><term>Time interval</term><term>Titanium</term><term>Titanium frameworks</term><term>Titanium group</term><term>Titanium prostheses</term><term>Veneer</term><term>Zarb</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Alloy</term><term>Average bone loss</term><term>Bone level</term><term>Bone loss</term><term>Clin</term><term>Clin implant dent relat</term><term>Clinical dentistry</term><term>Clinical experiences</term><term>Clinical implant dentistry</term><term>Clinical problems</term><term>Control frameworks</term><term>Control group</term><term>Control groups</term><term>Cumulative survival rate</term><term>Dent</term><term>Dentistry</term><term>Different groups</term><term>Edentulous</term><term>Edentulous jaws</term><term>Edentulous mandible</term><term>Edentulous patients</term><term>Entire period</term><term>Fracture</term><term>Framework</term><term>Framework fractures</term><term>Gold alloy</term><term>Gold alloy castings</term><term>Gold alloy frameworks</term><term>Gold alloy group</term><term>Implant</term><term>Implant dentistry</term><term>Implant treatment</term><term>Individual implants</term><term>Jemt</term><term>Laserwelded titanium frameworks</term><term>Mandible</term><term>Marginal bone level</term><term>Marginal bone levels</term><term>Marginal bone loss</term><term>Maxillofac</term><term>Metal frame</term><term>More bone loss</term><term>Oral maxillofac implants</term><term>Osseointegrated</term><term>Osseointegrated implants</term><term>Patient level</term><term>Posterior cantilever</term><term>Present study</term><term>Prospective study</term><term>Prosthesis</term><term>Prosthesis placement</term><term>Radiographic</term><term>Radiographic reference point</term><term>Relat</term><term>Rtorp</term><term>Second generation</term><term>Terminal implant</term><term>Test group</term><term>Time interval</term><term>Titanium</term><term>Titanium frameworks</term><term>Titanium group</term><term>Titanium prostheses</term><term>Veneer</term><term>Zarb</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract">Background: Comparative long‐term knowledge of different framework materials in the edentulous implant patient is not available for 15 years of 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Surgery</json:string></scopus></categories><publicationDate>2009</publicationDate><copyrightDate>2009</copyrightDate><doi><json:string>10.1111/j.1708-8208.2008.00119.x</json:string></doi><id>29C52B4D1EDBE5533287958C0C335ED500691C9C</id><score>1</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/29C52B4D1EDBE5533287958C0C335ED500691C9C/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/29C52B4D1EDBE5533287958C0C335ED500691C9C/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/29C52B4D1EDBE5533287958C0C335ED500691C9C/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main">Early Laser‐Welded Titanium Frameworks Supported by Implants in the Edentulous Mandible: A 15‐Year Comparative Follow‐Up Study</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><availability><licence>© 2008, Copyright the Authors. Journal Compilation © 2008, Wiley Periodicals, Inc.</licence></availability><date type="published" when="2009-12"></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">Early Laser‐Welded Titanium Frameworks Supported by Implants in the Edentulous Mandible: A 15‐Year Comparative Follow‐Up Study</title><title level="a" type="short">Laser‐Welded Implant‐Supported Prostheses</title><author xml:id="author-0000" role="corresp"><persName><forename type="first">Anders</forename><surname>Örtorp</surname><roleName type="degree">DDS, PhD/Odont Dr</roleName></persName><affiliation>Prosthodontist, The Brånemark Clinic, Public Dental Health Service, Göteborg, Sweden;<address><country key="SE"></country></address></affiliation><affiliation>assistant professor, Department of Prosthetic Dentistry/Dental Material Science, Institute of Odontology, The Sahlgrenska Academy, Göteborg, Sweden;<address><country key="SE"></country></address></affiliation><affiliation>Dr. Anders Örtorp, Department Prosthetic Dentistry / Dental Materials Science, Medicinaregatan 12 F, S – 413 90 Göteborg, Sweden; e‐mail: anders.ortorp@vgregion.se</affiliation></author><author xml:id="author-0001"><persName><forename type="first">Torsten</forename><surname>Jemt</surname><roleName type="degree">DDS, PhD/Odont Dr</roleName></persName><affiliation>chairman, The Brånemark Clinic, Public Dental Health Service, Göteborg, Sweden;<address><country key="SE"></country></address></affiliation><affiliation>professor, Department of Prosthetic Dentistry/Dental Material Science, Institute of Odontology, The Sahlgrenska Academy, Göteborg, Sweden<address><country key="SE"></country></address></affiliation></author><idno type="istex">29C52B4D1EDBE5533287958C0C335ED500691C9C</idno><idno type="ark">ark:/67375/WNG-7XGFS205-9</idno><idno type="DOI">10.1111/j.1708-8208.2008.00119.x</idno><idno type="unit">CID119</idno><idno type="toTypesetVersion">file:CID.CID119.pdf</idno></analytic><monogr><title level="j" type="main">Clinical Implant Dentistry and Related Research</title><title level="j" type="alt">CLINICAL IMPLANT DENTISTRY RELATED RESEARCH</title><idno type="pISSN">1523-0899</idno><idno type="eISSN">1708-8208</idno><idno type="book-DOI">10.1111/(ISSN)1708-8208</idno><idno type="book-part-DOI">10.1111/cid.2009.11.issue-4</idno><idno type="product">CID</idno><idno type="publisherDivision">ST</idno><imprint><biblScope unit="vol">11</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="311">311</biblScope><biblScope unit="page" to="322">322</biblScope><biblScope unit="page-count">12</biblScope><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2009-12"></date></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><abstract xml:lang="en" style="main"><head>ABSTRACT</head><p><hi rend="bold">Background:</hi> Comparative long‐term knowledge of different framework materials in the edentulous implant patient is not available for 15 years of follow‐up.</p><p><hi rend="bold">Purpose:</hi> To report and compare a 15‐year retrospective data on implant‐supported prostheses in the edentulous mandible provided with laser‐welded titanium frameworks (test) and gold alloy frameworks (control).</p><p><hi rend="bold">Materials and Methods:</hi> Altogether, 155 patients were consecutively treated with abutment‐level prostheses with two early generations of fixed laser‐welded titanium frameworks (titanium group). Fifty‐three selected patients with gold alloy castings formed the control group. Clinical and radiographic 15‐year data were collected and compared for the groups.</p><p><hi rend="bold">Results:</hi> All patients who were followed up for 15 years (<hi rend="italic">n</hi> = 72) still had a fixed prosthesis in the mandible at the termination of the study. The 15‐year original prosthesis cumulative survival rate (CSR) was 89.2 and 100% for titanium and control frameworks (<hi rend="italic">p</hi> = .057), respectively (overall CSR 91.7%). The overall 15‐year implant CSR was 98.7%. The average 15‐year bone loss was 0.59 mm (SD 0.56) and 0.98 mm (SD 0.64) for the test and control groups (<hi rend="italic">p</hi> = .027), respectively. Few (1.3%) implants had >3.1‐mm accumulated bone loss after 15 years. The most common complications for titanium frameworks were resin or veneer fractures and soft tissue inflammation. Fractures of the titanium metal frame were observed in 15.5% of the patients. More patients had framework fractures in the earliest titanium group (Ti‐1 group) compared to the gold alloy group (<hi rend="italic">p</hi> = .034). Loose and fractured implant screw components were few (2.4%).</p><p><hi rend="bold">Conclusion:</hi> Predictable overall long‐term results could be maintained with the present treatment modality. Fractures of the metal frames and remade prostheses were more common in the test group, and the gold alloy frameworks had a tendency to work better when compared with welded titanium frameworks during 15 years. However, on the average, more bone loss was observed for implants supporting gold alloy frameworks.</p></abstract><textClass><keywords xml:lang="en"><term xml:id="k1">bone loss</term><term xml:id="k2">complications</term><term xml:id="k3">edentulism</term><term xml:id="k4">framework design</term><term xml:id="k5">implant‐supported</term><term xml:id="k6">laser‐welded</term><term xml:id="k7">long‐term follow‐up</term><term xml:id="k8">mandible</term><term xml:id="k9">prostheses</term><term xml:id="k10">titanium</term></keywords><keywords rend="tocHeading1"><term>ARTICLES</term></keywords></textClass><langUsage><language ident="en"></language></langUsage></profileDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/29C52B4D1EDBE5533287958C0C335ED500691C9C/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component version="2.0" type="serialArticle" xml:lang="en"><header><publicationMeta level="product"><publisherInfo><publisherName>Blackwell Publishing Ltd</publisherName><publisherLoc>Oxford, UK</publisherLoc></publisherInfo><doi origin="wiley" registered="yes">10.1111/(ISSN)1708-8208</doi><issn type="print">1523-0899</issn><issn type="electronic">1708-8208</issn><idGroup><id type="product" value="CID"></id><id type="publisherDivision" value="ST"></id></idGroup><titleGroup><title type="main" sort="CLINICAL IMPLANT DENTISTRY RELATED RESEARCH">Clinical Implant Dentistry and Related Research</title></titleGroup></publicationMeta><publicationMeta level="part" position="12004"><doi origin="wiley">10.1111/cid.2009.11.issue-4</doi><numberingGroup><numbering type="journalVolume" number="11">11</numbering><numbering type="journalIssue" number="4">4</numbering></numberingGroup><coverDate startDate="2009-12">December 2009</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="8" status="forIssue"><doi origin="wiley">10.1111/j.1708-8208.2008.00119.x</doi><idGroup><id type="unit" value="CID119"></id></idGroup><countGroup><count type="pageTotal" number="12"></count></countGroup><titleGroup><title type="tocHeading1">ARTICLES</title></titleGroup><copyright>© 2008, Copyright the Authors. Journal Compilation © 2008, Wiley Periodicals, Inc.</copyright><eventGroup><event type="firstOnline" date="2008-09-09"></event><event type="publishedOnlineFinalForm" date="2009-11-06"></event><event type="xmlConverted" agent="Converter:BPG_TO_WML3G version:2.3.2 mode:FullText source:FullText result:FullText" date="2010-03-13"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.8.8" date="2014-01-15"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-10-16"></event></eventGroup><numberingGroup><numbering type="pageFirst" number="311">311</numbering><numbering type="pageLast" number="322">322</numbering></numberingGroup><correspondenceTo>Dr. Anders Örtorp, Department Prosthetic Dentistry / Dental Materials Science, Medicinaregatan 12 F, S – 413 90 Göteborg, Sweden; e‐mail: <email>anders.ortorp@vgregion.se</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:CID.CID119.pdf"></link></linkGroup></publicationMeta><contentMeta><countGroup><count type="figureTotal" number="5"></count><count type="tableTotal" number="7"></count><count type="formulaTotal" number="0"></count><count type="referenceTotal" number="42"></count><count type="wordTotal" number="6679"></count><count type="linksPubMed" number="0"></count><count type="linksCrossRef" number="0"></count></countGroup><titleGroup><title type="main">Early Laser‐Welded Titanium Frameworks Supported by Implants in the Edentulous Mandible: A 15‐Year Comparative Follow‐Up Study</title><title type="shortAuthors">Clinical Implant Dentistry and Related Research, Volume *, Number *, 2008</title><title type="short">Laser‐Welded Implant‐Supported Prostheses</title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" affiliationRef="#a1 #a2" corresponding="yes"><personName><givenNames>Anders</givenNames><familyName>Örtorp</familyName><degrees>DDS, PhD/Odont Dr</degrees></personName></creator><creator creatorRole="author" xml:id="cr2" affiliationRef="#a3 #a4"><personName><givenNames>Torsten</givenNames><familyName>Jemt</familyName><degrees>DDS, PhD/Odont Dr</degrees></personName></creator></creators><affiliationGroup><affiliation xml:id="a1" countryCode="SE"><unparsedAffiliation>Prosthodontist, The Brånemark Clinic, Public Dental Health Service, Göteborg, Sweden;</unparsedAffiliation></affiliation><affiliation xml:id="a2" countryCode="SE"><unparsedAffiliation>assistant professor, Department of Prosthetic Dentistry/Dental Material Science, Institute of Odontology, The Sahlgrenska Academy, Göteborg, Sweden;</unparsedAffiliation></affiliation><affiliation xml:id="a3" countryCode="SE"><unparsedAffiliation>chairman, The Brånemark Clinic, Public Dental Health Service, Göteborg, Sweden;</unparsedAffiliation></affiliation><affiliation xml:id="a4" countryCode="SE"><unparsedAffiliation>professor, Department of Prosthetic Dentistry/Dental Material Science, Institute of Odontology, The Sahlgrenska Academy, Göteborg, Sweden</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">bone loss</keyword><keyword xml:id="k2">complications</keyword><keyword xml:id="k3">edentulism</keyword><keyword xml:id="k4">framework design</keyword><keyword xml:id="k5">implant‐supported</keyword><keyword xml:id="k6">laser‐welded</keyword><keyword xml:id="k7">long‐term follow‐up</keyword><keyword xml:id="k8">mandible</keyword><keyword xml:id="k9">prostheses</keyword><keyword xml:id="k10">titanium</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">ABSTRACT</title><p><b>Background:</b> Comparative long‐term knowledge of different framework materials in the edentulous implant patient is not available for 15 years of follow‐up.</p><p><b>Purpose:</b> To report and compare a 15‐year retrospective data on implant‐supported prostheses in the edentulous mandible provided with laser‐welded titanium frameworks (test) and gold alloy frameworks (control).</p><p><b>Materials and Methods:</b> Altogether, 155 patients were consecutively treated with abutment‐level prostheses with two early generations of fixed laser‐welded titanium frameworks (titanium group). Fifty‐three selected patients with gold alloy castings formed the control group. Clinical and radiographic 15‐year data were collected and compared for the groups.</p><p><b>Results:</b> All patients who were followed up for 15 years (<i>n</i> = 72) still had a fixed prosthesis in the mandible at the termination of the study. The 15‐year original prosthesis cumulative survival rate (CSR) was 89.2 and 100% for titanium and control frameworks (<i>p</i> = .057), respectively (overall CSR 91.7%). The overall 15‐year implant CSR was 98.7%. The average 15‐year bone loss was 0.59 mm (SD 0.56) and 0.98 mm (SD 0.64) for the test and control groups (<i>p</i> = .027), respectively. Few (1.3%) implants had >3.1‐mm accumulated bone loss after 15 years. The most common complications for titanium frameworks were resin or veneer fractures and soft tissue inflammation. Fractures of the titanium metal frame were observed in 15.5% of the patients. More patients had framework fractures in the earliest titanium group (Ti‐1 group) compared to the gold alloy group (<i>p</i> = .034). Loose and fractured implant screw components were few (2.4%).</p><p><b>Conclusion:</b> Predictable overall long‐term results could be maintained with the present treatment modality. Fractures of the metal frames and remade prostheses were more common in the test group, and the gold alloy frameworks had a tendency to work better when compared with welded titanium frameworks during 15 years. However, on the average, more bone loss was observed for implants supporting gold alloy frameworks.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Early Laser‐Welded Titanium Frameworks Supported by Implants in the Edentulous Mandible: A 15‐Year Comparative Follow‐Up Study</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Laser‐Welded Implant‐Supported Prostheses</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Early Laser‐Welded Titanium Frameworks Supported by Implants in the Edentulous Mandible: A 15‐Year Comparative Follow‐Up Study</title></titleInfo><name type="personal"><namePart type="given">Anders</namePart><namePart type="family">Örtorp</namePart><namePart type="termsOfAddress">DDS, PhD/Odont Dr</namePart><affiliation>Prosthodontist, The Brånemark Clinic, Public Dental Health Service, Göteborg, Sweden;</affiliation><affiliation>assistant professor, Department of Prosthetic Dentistry/Dental Material Science, Institute of Odontology, The Sahlgrenska Academy, Göteborg, Sweden;</affiliation><affiliation>E-mail: anders.ortorp@vgregion.se</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Torsten</namePart><namePart type="family">Jemt</namePart><namePart type="termsOfAddress">DDS, PhD/Odont Dr</namePart><affiliation>chairman, The Brånemark Clinic, Public Dental Health Service, Göteborg, Sweden;</affiliation><affiliation>professor, Department of Prosthetic Dentistry/Dental Material Science, Institute of Odontology, The Sahlgrenska Academy, Göteborg, Sweden</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article" authority="ISTEX" authorityURI="https://content-type.data.istex.fr" valueURI="https://content-type.data.istex.fr/ark:/67375/XTP-6N5SZHKN-D">article</genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><place><placeTerm type="text">Oxford, UK</placeTerm></place><dateIssued encoding="w3cdtf">2009-12</dateIssued><copyrightDate encoding="w3cdtf">2009</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><extent unit="figures">5</extent><extent unit="tables">7</extent><extent unit="formulas">0</extent><extent unit="references">42</extent><extent unit="linksCrossRef">0</extent><extent unit="words">6679</extent></physicalDescription><abstract>Background: Comparative long‐term knowledge of different framework materials in the edentulous implant patient is not available for 15 years of follow‐up.</abstract><abstract>Purpose: To report and compare a 15‐year retrospective data on implant‐supported prostheses in the edentulous mandible provided with laser‐welded titanium frameworks (test) and gold alloy frameworks (control).</abstract><abstract>Materials and Methods: Altogether, 155 patients were consecutively treated with abutment‐level prostheses with two early generations of fixed laser‐welded titanium frameworks (titanium group). Fifty‐three selected patients with gold alloy castings formed the control group. Clinical and radiographic 15‐year data were collected and compared for the groups.</abstract><abstract>Results: All patients who were followed up for 15 years (n = 72) still had a fixed prosthesis in the mandible at the termination of the study. The 15‐year original prosthesis cumulative survival rate (CSR) was 89.2 and 100% for titanium and control frameworks (p = .057), respectively (overall CSR 91.7%). The overall 15‐year implant CSR was 98.7%. The average 15‐year bone loss was 0.59 mm (SD 0.56) and 0.98 mm (SD 0.64) for the test and control groups (p = .027), respectively. Few (1.3%) implants had >3.1‐mm accumulated bone loss after 15 years. The most common complications for titanium frameworks were resin or veneer fractures and soft tissue inflammation. Fractures of the titanium metal frame were observed in 15.5% of the patients. More patients had framework fractures in the earliest titanium group (Ti‐1 group) compared to the gold alloy group (p = .034). Loose and fractured implant screw components were few (2.4%).</abstract><abstract>Conclusion: Predictable overall long‐term results could be maintained with the present treatment modality. Fractures of the metal frames and remade prostheses were more common in the test group, and the gold alloy frameworks had a tendency to work better when compared with welded titanium frameworks during 15 years. However, on the average, more bone loss was observed for implants supporting gold alloy frameworks.</abstract><subject lang="en"><genre>keywords</genre><topic>bone loss</topic><topic>complications</topic><topic>edentulism</topic><topic>framework design</topic><topic>implant‐supported</topic><topic>laser‐welded</topic><topic>long‐term follow‐up</topic><topic>mandible</topic><topic>prostheses</topic><topic>titanium</topic></subject><relatedItem type="host"><titleInfo><title>Clinical Implant Dentistry and Related Research</title></titleInfo><genre type="journal" authority="ISTEX" authorityURI="https://publication-type.data.istex.fr" valueURI="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</genre><identifier type="ISSN">1523-0899</identifier><identifier type="eISSN">1708-8208</identifier><identifier type="DOI">10.1111/(ISSN)1708-8208</identifier><identifier type="PublisherID">CID</identifier><part><date>2009</date><detail type="volume"><caption>vol.</caption><number>11</number></detail><detail type="issue"><caption>no.</caption><number>4</number></detail><extent unit="pages"><start>311</start><end>322</end><total>12</total></extent></part></relatedItem><identifier type="istex">29C52B4D1EDBE5533287958C0C335ED500691C9C</identifier><identifier type="ark">ark:/67375/WNG-7XGFS205-9</identifier><identifier type="DOI">10.1111/j.1708-8208.2008.00119.x</identifier><identifier type="ArticleID">CID119</identifier><accessCondition type="use and reproduction" contentType="copyright">© 2008, Copyright the Authors. 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