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Mechanical behavior of implant assisted removable partial denture for Kennedy class II

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Mechanical behavior of implant assisted removable partial denture for Kennedy class II

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dc.contributor.author Tribst, João Paulo Mendes es
dc.contributor.author de Araújo, Rodrigo-Máximo es
dc.contributor.author Ramanzine, Naiara-Pires es
dc.contributor.author Santos, Natália-Ribeiro es
dc.contributor.author Dal Piva, Amanda-Maria-de Oliveira es
dc.contributor.author Borges, Alexandre- Luiz-Souto es
dc.contributor.author da Silva, João-Mauricio-Ferraz es
dc.date.accessioned 2020-10-21T09:18:28Z
dc.date.available 2020-10-21T09:18:28Z
dc.date.issued 2020 es
dc.identifier.citation Tribst, João Paulo Mendes ; de Araújo, Rodrigo-Máximo ; Ramanzine, Naiara-Pires ; Santos, Natália-Ribeiro ; Dal Piva, Amanda-Maria-de Oliveira ; Borges, Alexandre- Luiz-Souto ; da Silva, João-Mauricio-Ferraz. Mechanical behavior of implant assisted removable partial denture for Kennedy class II. En: Journal of Clinical and Experimental Dentistry, 12 1 2020: 38-45 es
dc.identifier.uri https://hdl.handle.net/10550/75977
dc.description.abstract This study evaluated the mechanical response of a removable partial denture (RPD) in Kennedy Class II according to being associated or not with implants. Four RPDs were manufactured for a Kennedy Class II: CRPD - Conventional RPD, RPD+1M, RPD+2M and RPD+12M, respectively, signifying implant assisted RPDs with the implant installed in the first molar, second molar, and in the first and second molars. The finite element method was used to determine the most damaged support tooth under compressive load (300N, 10s) and strain gauge analysis was used to evaluate the microstrain. All groups were submitted to a retentive force analysis (0.5 mm/mm, 100kgf). Microstrain and retentive force data were submitted to One-way ANOVA and the Tukey test, all with ?=5%. High microstrain was observed in the second premolar adjacent to the edentulous space under compression load (p< 0.01). RPD+12M presented lower microstrain, however being similar to RPD+2M. RPD+1M presented a higher mean value of retentive force, but similar to RPD+12M. FEM showed RPD assisted by implants concentrates less stress in the periodontal ligament. The association of two implants was sufficient to decrease the stress generated in the implants. The most stressed region for the o-ring abutment was the threads, and the group with two implants showed the lowest stress concentration. In cases of Kennedy Class II, the association of RPD with implants in the molar region is a favorable option for patient rehabilitation, reducing the movement of the direct retainer adjacent to the edentulous space, increasing the removal force and decreasing the stress magnitude in the periodontal ligament. es
dc.title Mechanical behavior of implant assisted removable partial denture for Kennedy class II es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.56533 es
dc.type.hasVersion VoR es_ES

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