Stress analysis of effects of nonrigid connectors on fixed partial dentures with pier abutments

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dc.contributor.authorOruc, Selcuk
dc.contributor.authorEraslan, Oguz
dc.contributor.authorTukay, H. Alper
dc.contributor.authorAtay, Arzu
dc.date.accessioned2020-03-26T17:27:49Z
dc.date.available2020-03-26T17:27:49Z
dc.date.issued2008
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractStatement of problem. In some patients, the pattern of missing teeth may require the use of a fixed partial denture (FPD) with an intermediate pier abutment. Information is needed regarding the blomechanical behavior and the position of a nonrigid connector for this treatment option. Purpose. The purpose of this study was to evaluate, by means of finite element method (FEM), the effects of rigid and nonrigid design types on stress distribution for 5-unit FPDs with pier abutments. Material and methods. A 3-dimensional cross-section FEM model (SAP 2000) simulating a 5-unit metal ceramic FPD with a pier abutment with rigid or nonrigid designs (connector location at the mesial region of the second molar, at the distal region of the second premolar, at the mesial region of the second premolar, and at the distal region of the canine) was developed. In the model, the canine, second premolar, and second molar served as abutments. A supporting periodontal ligament and alveolar bone (cortical and trabecular) were modeled. A 50-N static vertical occlusal load was applied on the cusp of each abutment to calculate the stress distributions. Three different types of load were evaluated: loading of all cusps to simulate maximum, centric occlusion contacts, loading of the canine to simulate a single anterior contact, and loading of the second molar to simulate a posterior contact. Results. The analysis of the von Mises stress values revealed that maximum stress concentrations were located at the load areas for all models. Also, for all models, the highest stress values were located at connectors and cervical regions of abutment teeth, especially at the pier abutment. Conclusions. The area of maximum stress concentration at the pier abutment was decreased by the use of a nonrigid connector at the distal region of the second premolar.en_US
dc.identifier.doi10.1016/S0022-3913(08)60042-6en_US
dc.identifier.endpage192en_US
dc.identifier.issn0022-3913en_US
dc.identifier.issue3en_US
dc.identifier.pmid18319089en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage185en_US
dc.identifier.urihttps://dx.doi.org/10.1016/S0022-3913(08)60042-6
dc.identifier.urihttps://hdl.handle.net/20.500.12395/22655
dc.identifier.volume99en_US
dc.identifier.wosWOS:000254370300006en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherMOSBY-ELSEVIERen_US
dc.relation.ispartofJOURNAL OF PROSTHETIC DENTISTRYen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.titleStress analysis of effects of nonrigid connectors on fixed partial dentures with pier abutmentsen_US
dc.typeArticleen_US

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