Implant-supported overdentures with different bar designs: A retrospective evaluation after 5-19 years of clinical function
Identifieur interne : 001056 ( Main/Exploration ); précédent : 001055; suivant : 001057Implant-supported overdentures with different bar designs: A retrospective evaluation after 5-19 years of clinical function
Auteurs : Sven Rinke [Allemagne] ; Hajo Rasing [Allemagne] ; Nikolaus Gersdorff [Allemagne] ; Ralf Buergers [Allemagne] ; Matthias Roediger [Allemagne]Source :
- The Journal of Advanced Prosthodontics [ 2005-7806 ] ; 2015.
Abstract
This retrospective study evaluated the outcome of implant-retained overdentures (IODs) after 5-19 years of clinical function.
A retrospective analysis of patient files was performed referring to 27 patients who received 36 IODs with 3 different bar designs (group A=prefabricated round bars, n=7; group B=one-piece anterior milled bars, n=20; and group C=two bilaterally placed milled bars, n=9) in the mandible (n=24) and/or in the maxilla (n=12). The analysis focused on the survival and success rates (according to Kaplan-Meier) of the implants and prostheses. Technical complication rates for each type of restoration were analyzed and compared via one-way ANOVA and the Chi-squared test. The prevalence of peri-implantitis (radiographic bone loss ≥3.5 mm) was evaluated by digital analysis of panoramic radiographs taken post-operative (baseline) and after 5-19 years of clinical function (follow-up).
The mean observational time was 7.3 years. The survival rates of the prostheses and implants were 100% and 97.7%, respectively. Technical complications occurred more frequently in group A (mean: 3.5 during observational time) than in the other two groups (B: 0.8; C: 1.0). However, this difference was not statistically significant (
Bar-retained IODs are an adequate treatment option for edentulous jaws. These restorations may exhibit high implant/prosthesis survival rates (>97%), and a limited incidence of technical complications after a mean observational period of >7 years. Nevertheless, peri-implantitis was identified as a frequent and serious biological complication for this type of reconstruction.
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DOI: 10.4047/jap.2015.7.4.338
PubMed: 26330982
PubMed Central: 4551791
Affiliations:
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Germany.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Allemagne</country><wicri:regionArea>Department of Prosthodontics, Georg-August-University, Goettingen</wicri:regionArea><wicri:noRegion>Goettingen</wicri:noRegion><wicri:noRegion>Goettingen</wicri:noRegion><wicri:noRegion>Goettingen</wicri:noRegion></affiliation></author><author><name sortKey="Buergers, Ralf" sort="Buergers, Ralf" uniqKey="Buergers R" first="Ralf" last="Buergers">Ralf Buergers</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Prosthodontics, Georg-August-University, Goettingen, Germany.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Allemagne</country><wicri:regionArea>Department of Prosthodontics, Georg-August-University, Goettingen</wicri:regionArea><wicri:noRegion>Goettingen</wicri:noRegion><wicri:noRegion>Goettingen</wicri:noRegion><wicri:noRegion>Goettingen</wicri:noRegion></affiliation></author><author><name sortKey="Roediger, Matthias" sort="Roediger, Matthias" uniqKey="Roediger M" first="Matthias" last="Roediger">Matthias Roediger</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Prosthodontics, Georg-August-University, Goettingen, Germany.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Allemagne</country><wicri:regionArea>Department of Prosthodontics, Georg-August-University, Goettingen</wicri:regionArea><wicri:noRegion>Goettingen</wicri:noRegion><wicri:noRegion>Goettingen</wicri:noRegion><wicri:noRegion>Goettingen</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">26330982</idno><idno type="pmc">4551791</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4551791</idno><idno type="RBID">PMC:4551791</idno><idno type="doi">10.4047/jap.2015.7.4.338</idno><date when="2015">2015</date><idno type="wicri:Area/Pmc/Corpus">000310</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000310</idno><idno 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Rinke</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Prosthodontics, Georg-August-University, Goettingen, Germany.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Allemagne</country><wicri:regionArea>Department of Prosthodontics, Georg-August-University, Goettingen</wicri:regionArea><wicri:noRegion>Goettingen</wicri:noRegion><wicri:noRegion>Goettingen</wicri:noRegion><wicri:noRegion>Goettingen</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:aff id="A2">Private Practice, Hanau, Germany.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Allemagne</country><wicri:regionArea>Private Practice, Hanau</wicri:regionArea><wicri:noRegion>Hanau</wicri:noRegion><wicri:noRegion>Hanau</wicri:noRegion><wicri:noRegion>Hanau</wicri:noRegion></affiliation></author><author><name sortKey="Rasing, Hajo" sort="Rasing, Hajo" uniqKey="Rasing H" first="Hajo" last="Rasing">Hajo Rasing</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Prosthodontics, Georg-August-University, Goettingen, Germany.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Allemagne</country><wicri:regionArea>Department of Prosthodontics, Georg-August-University, Goettingen</wicri:regionArea><wicri:noRegion>Goettingen</wicri:noRegion><wicri:noRegion>Goettingen</wicri:noRegion><wicri:noRegion>Goettingen</wicri:noRegion></affiliation></author><author><name sortKey="Gersdorff, Nikolaus" sort="Gersdorff, Nikolaus" uniqKey="Gersdorff N" first="Nikolaus" last="Gersdorff">Nikolaus Gersdorff</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Prosthodontics, Georg-August-University, Goettingen, Germany.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Allemagne</country><wicri:regionArea>Department of Prosthodontics, Georg-August-University, Goettingen</wicri:regionArea><wicri:noRegion>Goettingen</wicri:noRegion><wicri:noRegion>Goettingen</wicri:noRegion><wicri:noRegion>Goettingen</wicri:noRegion></affiliation></author><author><name sortKey="Buergers, Ralf" sort="Buergers, Ralf" uniqKey="Buergers R" first="Ralf" last="Buergers">Ralf Buergers</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Prosthodontics, Georg-August-University, Goettingen, Germany.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Allemagne</country><wicri:regionArea>Department of Prosthodontics, Georg-August-University, Goettingen</wicri:regionArea><wicri:noRegion>Goettingen</wicri:noRegion><wicri:noRegion>Goettingen</wicri:noRegion><wicri:noRegion>Goettingen</wicri:noRegion></affiliation></author><author><name sortKey="Roediger, Matthias" sort="Roediger, Matthias" uniqKey="Roediger M" first="Matthias" last="Roediger">Matthias Roediger</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Prosthodontics, Georg-August-University, Goettingen, Germany.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Allemagne</country><wicri:regionArea>Department of Prosthodontics, Georg-August-University, Goettingen</wicri:regionArea><wicri:noRegion>Goettingen</wicri:noRegion><wicri:noRegion>Goettingen</wicri:noRegion><wicri:noRegion>Goettingen</wicri:noRegion></affiliation></author></analytic><series><title level="j">The Journal of Advanced Prosthodontics</title><idno type="ISSN">2005-7806</idno><idno type="eISSN">2005-7814</idno><imprint><date when="2015">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>PURPOSE</title><p>This retrospective study evaluated the outcome of implant-retained overdentures (IODs) after 5-19 years of clinical function.</p></sec><sec><title>MATERIALS AND METHODS</title><p>A retrospective analysis of patient files was performed referring to 27 patients who received 36 IODs with 3 different bar designs (group A=prefabricated round bars, n=7; group B=one-piece anterior milled bars, n=20; and group C=two bilaterally placed milled bars, n=9) in the mandible (n=24) and/or in the maxilla (n=12). The analysis focused on the survival and success rates (according to Kaplan-Meier) of the implants and prostheses. Technical complication rates for each type of restoration were analyzed and compared via one-way ANOVA and the Chi-squared test. The prevalence of peri-implantitis (radiographic bone loss ≥3.5 mm) was evaluated by digital analysis of panoramic radiographs taken post-operative (baseline) and after 5-19 years of clinical function (follow-up).</p></sec><sec><title>RESULTS</title><p>The mean observational time was 7.3 years. The survival rates of the prostheses and implants were 100% and 97.7%, respectively. Technical complications occurred more frequently in group A (mean: 3.5 during observational time) than in the other two groups (B: 0.8; C: 1.0). However, this difference was not statistically significant (<italic>P</italic>=0.58). Peri-implantitis was diagnosed for 12.4% of the implants in 37% of the patients.</p></sec><sec><title>CONCLUSION</title><p>Bar-retained IODs are an adequate treatment option for edentulous jaws. These restorations may exhibit high implant/prosthesis survival rates (>97%), and a limited incidence of technical complications after a mean observational period of >7 years. Nevertheless, peri-implantitis was identified as a frequent and serious biological complication for this type of reconstruction.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Krennmair, G" uniqKey="Krennmair G">G Krennmair</name></author><author><name sortKey="Krainhofner, M" uniqKey="Krainhofner M">M Krainhöfner</name></author><author><name sortKey="Piehslinger, E" uniqKey="Piehslinger E">E Piehslinger</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Krennmair, G" uniqKey="Krennmair G">G Krennmair</name></author><author><name sortKey="Piehslinger, E" uniqKey="Piehslinger E">E Piehslinger</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Andreiotelli, M" uniqKey="Andreiotelli M">M Andreiotelli</name></author><author><name sortKey="Att, W" uniqKey="Att W">W Att</name></author><author><name sortKey="Strub, Jr" uniqKey="Strub J">JR Strub</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Brosky, Me" uniqKey="Brosky M">ME Brosky</name></author><author><name sortKey="Korioth, Tw" uniqKey="Korioth T">TW Korioth</name></author><author><name sortKey="Hodges, J" uniqKey="Hodges J">J Hodges</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Krennmair, G" uniqKey="Krennmair G">G Krennmair</name></author><author><name sortKey="Krainhofner, M" uniqKey="Krainhofner M">M Krainhöfner</name></author><author><name sortKey="Piehslinger, E" uniqKey="Piehslinger E">E Piehslinger</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Krennmair, G" uniqKey="Krennmair G">G Krennmair</name></author><author><name sortKey="Suto, D" uniqKey="Suto D">D Sütö</name></author><author><name sortKey="Seemann, R" uniqKey="Seemann R">R Seemann</name></author><author><name sortKey="Piehslinger, E" uniqKey="Piehslinger E">E 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Eickholz</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Bressan, E" uniqKey="Bressan E">E Bressan</name></author><author><name sortKey="Tomasi, C" uniqKey="Tomasi C">C Tomasi</name></author><author><name sortKey="Stellini, E" uniqKey="Stellini E">E Stellini</name></author><author><name sortKey="Sivolella, S" uniqKey="Sivolella S">S Sivolella</name></author><author><name sortKey="Favero, G" uniqKey="Favero G">G Favero</name></author><author><name sortKey="Berglundh, T" uniqKey="Berglundh T">T Berglundh</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Heschl, A" uniqKey="Heschl A">A Heschl</name></author><author><name sortKey="Payer, M" uniqKey="Payer M">M Payer</name></author><author><name sortKey="Clar, V" uniqKey="Clar V">V Clar</name></author><author><name sortKey="Stopper, M" uniqKey="Stopper M">M Stopper</name></author><author><name sortKey="Wegscheider, W" uniqKey="Wegscheider W">W Wegscheider</name></author><author><name sortKey="Lorenzoni, M" uniqKey="Lorenzoni M">M Lorenzoni</name></author></analytic></biblStruct></listBibl></div1></back></TEI><affiliations><list><country><li>Allemagne</li></country></list><tree><country name="Allemagne"><noRegion><name sortKey="Rinke, Sven" sort="Rinke, Sven" uniqKey="Rinke S" first="Sven" last="Rinke">Sven Rinke</name></noRegion><name sortKey="Buergers, Ralf" sort="Buergers, Ralf" uniqKey="Buergers R" first="Ralf" last="Buergers">Ralf Buergers</name><name sortKey="Gersdorff, Nikolaus" sort="Gersdorff, Nikolaus" uniqKey="Gersdorff N" first="Nikolaus" last="Gersdorff">Nikolaus Gersdorff</name><name sortKey="Rasing, Hajo" sort="Rasing, Hajo" uniqKey="Rasing H" first="Hajo" last="Rasing">Hajo Rasing</name><name sortKey="Rinke, Sven" sort="Rinke, Sven" uniqKey="Rinke S" first="Sven" last="Rinke">Sven Rinke</name><name sortKey="Roediger, Matthias" sort="Roediger, Matthias" uniqKey="Roediger M" first="Matthias" last="Roediger">Matthias Roediger</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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