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Fracture resistance after implantoplasty in three implant-abutment connection designs

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Fracture resistance after implantoplasty in three implant-abutment connection designs

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dc.contributor.author Camps Font, Octavi es
dc.contributor.author González-Barnadas, Albert es
dc.contributor.author Mir Mari, Javier es
dc.contributor.author Figueiredo, Rui es
dc.contributor.author Gay-Escoda, Cosme es
dc.contributor.author Valmaseda Castellón, E. es
dc.date.accessioned 2021-01-15T12:31:37Z
dc.date.available 2021-01-15T12:31:37Z
dc.date.issued 2020 es
dc.identifier.citation Camps Font, Octavi ; González-Barnadas, Albert ; Mir Mari, Javier ; Figueiredo, Rui ; Gay-Escoda, Cosme ; Valmaseda Castellón, E.. Fracture resistance after implantoplasty in three implant-abutment connection designs. En: Medicina oral, patología oral y cirugía bucal. Ed. inglesa, 25 5 2020: 17- es
dc.identifier.uri https://hdl.handle.net/10550/77187
dc.description.abstract To assess the effect of implantoplasty and implant-abutment design on the fracture resistance and macroscopic morphology of narrow-diameter (3.5 mm) dental implants. Screw-shaped titanium dental implants (n = 48) were studied in vitro. Three groups (n = 16) were established, based on implant-abutment connection type: external hexagon, internal hexagon and conical. Eight implants from each group were subjected to an implantoplasty procedure; the remaining 8 implants served as controls. Implant wall thickness was recorded. All samples were subjected to a static strength test. The mean wall thickness reductions varied between 106.46 and 153.75 µm. The mean fracture strengths for the control and test groups were, respectively, 1211.90±89.95 N and 873.11±92.37 N in the external hexagon implants; 918.41±97.19 N and 661.29±58.03 N in the internal hexagon implants; and 1058.67±114.05 N and 747.32±90.05 N in the conical connection implants. Implant wall thickness and fracture resistance (P < 0.001) showed a positive correlation. Fracture strength was influenced by both implantoplasty (P < 0.001) and connection type (P < 0.001). Implantoplasty in diameter-reduced implants decreases implant wall thickness and fracture resistance, and varies depending on the implant-abutment connection. Internal hexagon and conical connection implants seem to be more prone to fracture after implantoplasty. es
dc.title Fracture resistance after implantoplasty in three implant-abutment connection designs es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/medoral.23700 es
dc.type.hasVersion VoR es_ES

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