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Platform switching on wide-diameter external hex implants a finite element analysis

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Platform switching on wide-diameter external hex implants a finite element analysis

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dc.contributor.author Sivolella, Stefano es
dc.contributor.author Guazzo, Riccardo es
dc.contributor.author Bressan, Eriberto es
dc.contributor.author Berengo, Mario es
dc.contributor.author Stellini, Edoardo es
dc.date.accessioned 2014-05-22T09:37:33Z
dc.date.available 2014-05-22T09:37:33Z
dc.date.issued 2013 es
dc.identifier.citation Sivolella, Stefano ; Guazzo, Riccardo ; Bressan, Eriberto ; Berengo, Mario ; Stellini, Edoardo. Platform switching on wide-diameter external hex implants a finite element analysis. En: Journal of Clinical and Experimental Dentistry, 2013, Vol. 5, No. 2: 77-82 es
dc.identifier.uri http://hdl.handle.net/10550/35319
dc.description.abstract Objectives: The objective of this work was to use finite element analysis to compare the effect of forces coming to bear on abutments 4.1 or 5.0 mm in diameter connected to a 5.0 mm implant (i.e. with or without platform swit - ching). Study design: A 3D CAD model of a 5 x 11.5 mm external hex implant was developed, complete with a connection screw and either of two abutments, one 4.1 and the other 5 mm in diameter, to assess the influence of two loading conditions, i.e. 200 N loaded either axially or off center on the top of the abutment. Results and conclusions: In the symmetrically loaded models, greater stresses were transmitted to the bone in the area below the neck of the implant in the case of the wider-diameter abutment. When the narrower abutment was considered, the stress lines remained confined to the metal and were transferred to the bone in a more distal position. When the stresses in the bone where compared under non-symmetrical loading of the larger- and smaller-diameter abutments, the stresses reached lower values in the latter case. These findings indicate that platform switching (i.e. coupling a 4.1 mm abutment with a 5 mm implant) achieves a better, more even distribution of the peri-implant stresses deriving from simulated occlusal loads on the bone margins. en_US
dc.subject Odontología es
dc.subject Ciencias de la salud es
dc.title Platform switching on wide-diameter external hex implants a finite element analysis es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.type.hasVersion VoR es_ES

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