| Mechanical performance of endodontic restorations with prefabricated posts: sensitivity analysis of parameters with a 3D finite element model. | |
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MedLine Citation:
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PMID: 23148761 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Many studies have investigated the effect of different parameters of the endodontically restored tooth on its final strength, using in vitro tests and model simulations. However, the differences in the experimental set-up or modelling conditions and the limited number of parameters studied in each case prevent us from obtaining clear conclusions about the relative importance of each parameter. In this study, a validated 3D biomechanical model of the restored tooth was used for an exhaustive sensitivity analysis. The individual influence of 20 different parameters on the mechanical performance of an endodontic restoration with prefabricated posts was studied. The results bring up the remarkable importance of the loading angle on the final restoration strength. Flexural loads are more critical than compressive or tensile loads. Young's modulus of the post and its length and diameter are the most influential parameters for strength, whereas other parameters such as ferrule geometry or core and crown characteristics are less significant. |
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Authors:
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Carmen González-Lluch; Antonio Pérez-González; Joaquín L Sancho-Bru; Pablo-Jesús Rodríguez-Cervantes |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-11-14 |
Journal Detail:
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Title: Computer methods in biomechanics and biomedical engineering Volume: - ISSN: 1476-8259 ISO Abbreviation: Comput Methods Biomech Biomed Engin Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-11-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9802899 Medline TA: Comput Methods Biomech Biomed Engin Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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a Departament d'Enginyeria Mecànica i Construcció , Universitat Jaume I , Campus de Riu Sec. Avinguda Vicent Sos Baynat s/n. 12071 , Castelló de la Plana , Spain. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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