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Influence of bone parameters on peri-implant bone strain distribution in the posterior mandible

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Influence of bone parameters on peri-implant bone strain distribution in the posterior mandible

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dc.contributor.author Sugiura, Tsutomu es
dc.contributor.author Yamamoto, Kazuhiko es
dc.contributor.author Kawakami, Masayoshi es
dc.contributor.author Horita, Satoshi es
dc.contributor.author Murakami, Kazuhiro es
dc.contributor.author Kirita, Tadaaki es
dc.date.accessioned 2015-05-08T10:40:49Z
dc.date.available 2015-05-08T10:40:49Z
dc.date.issued 2015 es
dc.identifier.citation Sugiura, Tsutomu ; Yamamoto, Kazuhiko ; Kawakami, Masayoshi ; Horita, Satoshi ; Murakami, Kazuhiro ; Kirita, Tadaaki. Influence of bone parameters on peri-implant bone strain distribution in the posterior mandible. En: Medicina oral, patología oral y cirugía bucal. Ed inglesa, 2015, Vol. 20, No. 1: 1- es
dc.identifier.uri http://hdl.handle.net/10550/43605
dc.description.abstract Objectives: The success rate of dental implants depends on the type of bone at the implant site. The purpose of the present study was to investigate the effects of the bone parameters at the implant-placement site on peri-implant bone strain distributions. Study Design: The morphologies and bone densities of seventy-five potential implant sites in the posterior man - dible were measured using computed tomography (CT). Based on the CT data, we defined bone parameters (low and high in terms of cancellous-bone density and crestal-cortical bone density, and thin and thick in terms of crestal-cortical bone thickness), and we constructed finite-element models simulating the various bone types. A buccolingual oblique load of 200 N was applied to the top of the abutment. The von Mises equivalent (EQV) strains in the crestal-cortical bone and in the cancellous bone around the implant were calculated. Results: Cancellous-bone density greatly affected the maximum EQV strain regardless of the density and thick - ness of the crestal cortical-bone. The maximum EQV strains in the crestal cortical-bone and the cancellous bone in the low-density cancellous-bone models (of 150 Hounsfield units (HU) were 1.56 to 2.62-fold and 3.49 to 5.31- fold higher than those in the high-density cancellous-bone models (of 850 HU), respectively. The crestal cortical- bone density affected the maximum EQV strains in the crestal cortical-bone and in the cancellous bone in the low-density cancellous-bone models. The crestal cortical-bone thickness affected the maximum EQV strains in the cancellous bone and in the crestal cortical-bone in the low-density cancellous-bone models. Conclusions: Our results confirm the importance of bone types for the peri-implant bone strain distribution. Cancellous-bone density may be a critical factor for peri-implant bone strain en_US
dc.subject Odontología es
dc.subject Ciencias de la salud es
dc.title Influence of bone parameters on peri-implant bone strain distribution in the posterior mandible es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.type.hasVersion VoR es_ES
dc.identifier.url http://www.medicinaoral.com/pubmed/medoralv20_i1_p1.pdf es

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