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Radiological implications of crestal and subcrestal implant placement in posterior areas. A cone-beam computed tomography study

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Radiological implications of crestal and subcrestal implant placement in posterior areas. A cone-beam computed tomography study

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dc.contributor.author Pellicer Chover, Hilario es
dc.contributor.author Rojo-Sanchis, Julio es
dc.contributor.author Peñarrocha Diago, Miguel es
dc.contributor.author Viña Almunia, José es
dc.contributor.author Peñarrocha Oltra, David es
dc.contributor.author Peñarrocha Diago, María es
dc.date.accessioned 2021-04-19T10:10:13Z
dc.date.available 2021-04-19T10:10:13Z
dc.date.issued 2020 es
dc.identifier.citation Pellicer Chover, Hilario ; Rojo-Sanchis, Julio ; Peñarrocha Diago, Miguel ; Viña Almunia, José ; Peñarrocha Oltra, David ; Peñarrocha Diago, María. Radiological implications of crestal and subcrestal implant placement in posterior areas. A cone-beam computed tomography study. En: Journal of Clinical and Experimental Dentistry, 12 9 2020: 870-876 es
dc.identifier.uri https://hdl.handle.net/10550/78756
dc.description.abstract Subcrestal implant placement has been suggested as a method that could contribute to maintain the periimplant soft and hard tissues in comparison with crestal placement. The objective of this study was to investigate the relationship between implant placement at different depths in the alveolar bone and (a) the thickness of the buccal bone plate (BBP); and (b) crestal cortical bone thickness, based on the use of cone-beam computed tomography (CBCT). A cross-sectional study was performed, analyzing CBCT scans from the database of the Oral Surgery Unit of the University of Valencia. Individuals with single missing teeth in posterior sectors were included. Two trained dentists used a software application to plan implant placement at four different depths from the bone crest (from 0-2 mm subcrestal). The thickness of the BBP was measured at each established depth, tracing a line from the implant platform to the outermost part of the facial alveolar bone, and the ratio between the implant platform and cortical bone thickness was calculated. The study sample consisted of 64 patients. In the case of implants placed in a crestal position, the distance from the platform to the BBP was 1.99±1.10 mm. This distance increased significantly (p<0.001) with the planned implant placement depth, reaching an average of 2.90±1.22 mm when placement was 2 mm subcrestal. Subcrestal implant placement at this depth implied surpassing the cortical bone in 91% of the cases. Radiological planning of implant placement in a subcrestal position results in a greater distance from the implant platform to the BBP. In general terms, planning implant placement at a depth of 2 mm subcrestal surpassed the cortical bone in 91% of the cases. es
dc.title Radiological implications of crestal and subcrestal implant placement in posterior areas. A cone-beam computed tomography study es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.56652 es
dc.type.hasVersion VoR es_ES

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