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Article: Long-Term Analysis of Biologic and Technical Aspects of Fixed Partial Dentures with Cantilevers

TitleLong-Term Analysis of Biologic and Technical Aspects of Fixed Partial Dentures with Cantilevers
Authors
Issue Date2000
PublisherQuintessence Publishing Co, Inc. The Journal's web site is located at http://www.quintpub.com
Citation
International Journal Of Prosthodontics, 2000, v. 13 n. 5, p. 409-415 How to Cite?
AbstractPurpose: The aim of the present clinical study was to analyze the long-term treatment outcome of fixed partial dentures (FPD) with cantilevers. Materials and Methods: Ninety-two patients with 115 cantilever FPDs on 239 abutment teeth were examined. Immediately following cementation, radiographs of the abutment teeth were obtained. At the follow-up examination 5 to 16 years after cementation, the abutment teeth were clinically and radiographically evaluated. Besides the assessment of periodontal parameters and vitality testing, the presence of carious lesions of the abutment teeth, loss of retention, fracture of bridgework, and fracture of abutment teeth were also recorded. The Student's t test was used to detect differences between abutment teeth and control teeth with natural crowns as well as over time within the groups. Results: Plaque scores and bleeding on probing were low at both abutment and nonabutment teeth. Mean probing pocket depth and level of the clinical attachment never exceeded 3.0 mm in both groups. The radiographic bone levels at abutments were stable within 3% over the observation period. Of the 120 initially vital abutment teeth, 12 (10%) lost vitality during the observation period; one (1 %) of the 119 initially nonvital abutments showed periapical pathology. Development of secondary caries was observed at 8% of the 239 abutment teeth. In total, 8% of the abutment teeth were affected by loss of retention, which made up more than half of all technical problems. Material fractures only occurred occasionally, affecting from 1 % to less than 3% of the abutment teeth. Fracture of abutment teeth amounted to 3% and was twice as frequent at abutments adjacent to cantilevers compared to abutments not adjacent to cantilevers. Conclusion: The most frequent biologic (caries) and technical complications (loss of retention) made up more than half of all problems recorded. These problems may be at least partially avoided by performing optimal plaque control and by strictly observing the rules for preparation of retentive FPD abutments.
Persistent Identifierhttp://hdl.handle.net/10722/154114
ISSN
2015 Impact Factor: 1.487
2015 SCImago Journal Rankings: 0.539
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHämmerle, CHFen_US
dc.contributor.authorUngerer, MCen_US
dc.contributor.authorFantoni, PCen_US
dc.contributor.authorBrägger, URSen_US
dc.contributor.authorBürgin, Wen_US
dc.contributor.authorLang, NPen_US
dc.date.accessioned2012-08-08T08:23:20Z-
dc.date.available2012-08-08T08:23:20Z-
dc.date.issued2000en_US
dc.identifier.citationInternational Journal Of Prosthodontics, 2000, v. 13 n. 5, p. 409-415en_US
dc.identifier.issn0893-2174en_US
dc.identifier.urihttp://hdl.handle.net/10722/154114-
dc.description.abstractPurpose: The aim of the present clinical study was to analyze the long-term treatment outcome of fixed partial dentures (FPD) with cantilevers. Materials and Methods: Ninety-two patients with 115 cantilever FPDs on 239 abutment teeth were examined. Immediately following cementation, radiographs of the abutment teeth were obtained. At the follow-up examination 5 to 16 years after cementation, the abutment teeth were clinically and radiographically evaluated. Besides the assessment of periodontal parameters and vitality testing, the presence of carious lesions of the abutment teeth, loss of retention, fracture of bridgework, and fracture of abutment teeth were also recorded. The Student's t test was used to detect differences between abutment teeth and control teeth with natural crowns as well as over time within the groups. Results: Plaque scores and bleeding on probing were low at both abutment and nonabutment teeth. Mean probing pocket depth and level of the clinical attachment never exceeded 3.0 mm in both groups. The radiographic bone levels at abutments were stable within 3% over the observation period. Of the 120 initially vital abutment teeth, 12 (10%) lost vitality during the observation period; one (1 %) of the 119 initially nonvital abutments showed periapical pathology. Development of secondary caries was observed at 8% of the 239 abutment teeth. In total, 8% of the abutment teeth were affected by loss of retention, which made up more than half of all technical problems. Material fractures only occurred occasionally, affecting from 1 % to less than 3% of the abutment teeth. Fracture of abutment teeth amounted to 3% and was twice as frequent at abutments adjacent to cantilevers compared to abutments not adjacent to cantilevers. Conclusion: The most frequent biologic (caries) and technical complications (loss of retention) made up more than half of all problems recorded. These problems may be at least partially avoided by performing optimal plaque control and by strictly observing the rules for preparation of retentive FPD abutments.en_US
dc.languageengen_US
dc.publisherQuintessence Publishing Co, Inc. The Journal's web site is located at http://www.quintpub.comen_US
dc.relation.ispartofInternational Journal of Prosthodonticsen_US
dc.subject.meshAdulten_US
dc.subject.meshAgeden_US
dc.subject.meshAged, 80 And Overen_US
dc.subject.meshAlveolar Bone Loss - Etiology - Radiographyen_US
dc.subject.meshChi-Square Distributionen_US
dc.subject.meshCross-Sectional Studiesen_US
dc.subject.meshDental Abutmentsen_US
dc.subject.meshDental Caries - Etiologyen_US
dc.subject.meshDental Plaque Indexen_US
dc.subject.meshDental Restoration Failureen_US
dc.subject.meshDenture Designen_US
dc.subject.meshDenture Retentionen_US
dc.subject.meshDenture, Partial, Fixed - Adverse Effectsen_US
dc.subject.meshFemaleen_US
dc.subject.meshFollow-Up Studiesen_US
dc.subject.meshHumansen_US
dc.subject.meshJaw, Edentulous, Partially - Rehabilitationen_US
dc.subject.meshLongitudinal Studiesen_US
dc.subject.meshMaleen_US
dc.subject.meshMiddle Ageden_US
dc.subject.meshPeriodontal Indexen_US
dc.subject.meshRetrospective Studiesen_US
dc.subject.meshStatistics, Nonparametricen_US
dc.subject.meshTooth Fractures - Etiologyen_US
dc.subject.meshTreatment Outcomeen_US
dc.titleLong-Term Analysis of Biologic and Technical Aspects of Fixed Partial Dentures with Cantileversen_US
dc.typeArticleen_US
dc.identifier.emailLang, NP:nplang@hkucc.hku.hken_US
dc.identifier.authorityLang, NP=rp00031en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.pmid11203663-
dc.identifier.scopuseid_2-s2.0-0034280715en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034280715&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume13en_US
dc.identifier.issue5en_US
dc.identifier.spage409en_US
dc.identifier.epage415en_US
dc.identifier.isiWOS:000089567200010-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridHämmerle, CHF=7005331848en_US
dc.identifier.scopusauthoridUngerer, MC=7004435068en_US
dc.identifier.scopusauthoridFantoni, PC=7003473342en_US
dc.identifier.scopusauthoridBrägger, URS=7005538598en_US
dc.identifier.scopusauthoridBürgin, W=7003413848en_US
dc.identifier.scopusauthoridLang, NP=7201577367en_US

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