Posterior jaw bone resorption in osseointegrated implant‐supported overdentures
Identifieur interne : 006300 ( Istex/Corpus ); précédent : 006299; suivant : 006301Posterior jaw bone resorption in osseointegrated implant‐supported overdentures
Auteurs : R. Jacobs ; A. Schotte ; D. Van Steenberghe ; M. Quirynen ; I. NaertSource :
- Clinical Oral Implants Research [ 0905-7161 ] ; 1992-06.
Abstract
For several years, osseointegrated implant‐supported overdentures have been used in the rehabilitation of full edentulism with excellent results, at least in the lower jaw. This study involved 3 groups of patients with different prosthetic reconstructions:(1) mandibular overdentures supported by 2 implants connected by a bar (30 patients), (2) mandibular fixed prostheses supported by 4–6 implants (25 patients) and (3) mandibular complete dentures without implant support as controls (85 patients). The primary aim of this study was to examine on orthopantomograms (by means of the area index to minimize distortion and magnification errors), posterior mandibular ridge resorption in the 3 treatment groups. The present data demonstrated a minimal posterior mandibular ridge resorption in patients with fixed implant‐supported prostheses. A more considerableposterior ridge resorption was observed in the complete denture group and especially in the overdenture wearers. For the latter, the annual posterior jaw bone resorption after the post‐extraction remodeling period of 6 months, was 2‐ to 3‐fold that of full denture wearers. When patients were edentulous for more than 10 years, the difference between the 2 latter groups disappeared. It is suggested that although the overdenture design on 2 implants offers advantages from a financial and failure rate point of view, its indications in younger patients should cautiously be evaluated in a long‐term perspective concerning posterior mandibular bone resorption.
Url:
DOI: 10.1034/j.1600-0501.1992.030203.x
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This study involved 3 groups of patients with different prosthetic reconstructions:(1) mandibular overdentures supported by 2 implants connected by a bar (30 patients), (2) mandibular fixed prostheses supported by 4–6 implants (25 patients) and (3) mandibular complete dentures without implant support as controls (85 patients). The primary aim of this study was to examine on orthopantomograms (by means of the area index to minimize distortion and magnification errors), posterior mandibular ridge resorption in the 3 treatment groups. The present data demonstrated a minimal posterior mandibular ridge resorption in patients with fixed implant‐supported prostheses. A more considerableposterior ridge resorption was observed in the complete denture group and especially in the overdenture wearers. For the latter, the annual posterior jaw bone resorption after the post‐extraction remodeling period of 6 months, was 2‐ to 3‐fold that of full denture wearers. When patients were edentulous for more than 10 years, the difference between the 2 latter groups disappeared. It is suggested that although the overdenture design on 2 implants offers advantages from a financial and failure rate point of view, its indications in younger patients should cautiously be evaluated in a long‐term perspective concerning posterior mandibular bone resorption.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>R. Jacobs</name><affiliations><json:string>Departments of Periodontology (Laboratory of Oral Physiology) and</json:string></affiliations></json:item><json:item><name>A. Schotte</name><affiliations><json:string>Departments of Periodontology (Laboratory of Oral Physiology) and</json:string></affiliations></json:item><json:item><name>D. Van Steenberghe</name><affiliations><json:string>Departments of Periodontology (Laboratory of Oral Physiology) and</json:string></affiliations></json:item><json:item><name>M. 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When patients were edentulous for more than 10 years, the difference between the 2 latter groups disappeared. 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It is suggested that although the overdenture design on 2 implants offers advantages from a financial and failure rate point of view, its indications in younger patients should cautiously be evaluated in a long‐term perspective concerning posterior mandibular bone resorption.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Posterior jaw bone resorption in osseointegrated implant‐supported overdentures</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Posterior jaw bone resorption</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Posterior jaw bone resorption in osseointegrated implant‐supported overdentures</title></titleInfo><name type="personal"><namePart type="given">R.</namePart><namePart type="family">Jacobs</namePart><affiliation>Departments of Periodontology (Laboratory of Oral Physiology) and</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">A.</namePart><namePart type="family">Schotte</namePart><affiliation>Departments of Periodontology (Laboratory of Oral Physiology) and</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">D.</namePart><namePart type="family">Van Steenberghe</namePart><affiliation>Departments of Periodontology (Laboratory of Oral Physiology) and</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">M.</namePart><namePart type="family">Quirynen</namePart><affiliation>Departments of Periodontology (Laboratory of Oral Physiology) and</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">I.</namePart><namePart type="family">Naert</namePart><affiliation>Prosthetic Dentistry, Faculty of Medicine, Catholic University of Leuven, Leuven, Belgium</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">1992-06</dateIssued><edition>Accepted for publication 16 January 1992</edition><copyrightDate encoding="w3cdtf">1992</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><extent unit="linksCrossRef">0</extent></physicalDescription><abstract lang="en">For several years, osseointegrated implant‐supported overdentures have been used in the rehabilitation of full edentulism with excellent results, at least in the lower jaw. This study involved 3 groups of patients with different prosthetic reconstructions:(1) mandibular overdentures supported by 2 implants connected by a bar (30 patients), (2) mandibular fixed prostheses supported by 4–6 implants (25 patients) and (3) mandibular complete dentures without implant support as controls (85 patients). The primary aim of this study was to examine on orthopantomograms (by means of the area index to minimize distortion and magnification errors), posterior mandibular ridge resorption in the 3 treatment groups. The present data demonstrated a minimal posterior mandibular ridge resorption in patients with fixed implant‐supported prostheses. A more considerableposterior ridge resorption was observed in the complete denture group and especially in the overdenture wearers. For the latter, the annual posterior jaw bone resorption after the post‐extraction remodeling period of 6 months, was 2‐ to 3‐fold that of full denture wearers. When patients were edentulous for more than 10 years, the difference between the 2 latter groups disappeared. It is suggested that although the overdenture design on 2 implants offers advantages from a financial and failure rate point of view, its indications in younger patients should cautiously be evaluated in a long‐term perspective concerning posterior mandibular bone resorption.</abstract><subject lang="en"><genre>keywords</genre><topic>osseointegration</topic><topic>oral implants</topic><topic>resorption</topic><topic>orthopantomogram</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>1992</date><detail type="volume"><caption>vol.</caption><number>3</number></detail><detail type="issue"><caption>no.</caption><number>2</number></detail><extent unit="pages"><start>63</start><end>70</end></extent></part></relatedItem><identifier type="istex">C746F53156C572DFB9D0DB31C9DE96E615000062</identifier><identifier type="ark">ark:/67375/WNG-KF54R8TS-D</identifier><identifier type="DOI">10.1034/j.1600-0501.1992.030203.x</identifier><identifier type="ArticleID">CLR030203</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/C746F53156C572DFB9D0DB31C9DE96E615000062/metadata/json</uri></json:item></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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