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Comparative evaluation of the effect of impression materials and trays on the accuracy of angulated implants impressions

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Comparative evaluation of the effect of impression materials and trays on the accuracy of angulated implants impressions

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dc.contributor.author Siadat, Hakimeh es
dc.contributor.author Saeidi, Zeinab es
dc.contributor.author Alikhasi, Marzieh es
dc.contributor.author Zeighami, Somayeh es
dc.date.accessioned 2019-03-07T11:03:27Z
dc.date.available 2019-03-07T11:03:27Z
dc.date.issued 2018 es
dc.identifier.citation Siadat, Hakimeh ; Saeidi, Zeinab ; Alikhasi, Marzieh ; Zeighami, Somayeh. Comparative evaluation of the effect of impression materials and trays on the accuracy of angulated implants impressions. En: Journal of Clinical and Experimental Dentistry, 10 11 2018: 1096-1102 es
dc.identifier.uri http://hdl.handle.net/10550/69418
dc.description.abstract Vinyl Polyether Siloxane is a newly introduced impression material and studies on that is scarce. Implant insertion in posterior mandible might be angulated due to anatomical considerations. The purpose of this study was to compare the dimensional and angular accuracy of impressions using full-arch versus sectional tray and Vinyl Polysiloxane versus Vinyl Polyether Siloxane in angulated implants. Four implants were placed in dental areas #19, #21, #28 and #30 of a Kennedy class I mandibular acrylic model with 30° lingual angulation. Twenty sectional and 20 full-arch open trays were made on the primary cast. Impressions were taken using Vinyl Polysiloxane and Vinyl Polyether Siloxane (n=10 in 4 groups); and were poured with type IV dental stone. The coordinate measuring machine was used to measure displacements in the X, Y and Z axes and rotational discrepancies of implants. The data were analyzed using SPSS 22 and two-way ANOVA. Type of tray had no significant effect on the dimensional and angular accuracy of impressions (p >0.05). Type of impression material significantly affected linear displacement (?r) (P <0.05); but it did not significantly affect the rotational displacement (P >0.05). Vinyl Polysiloxane yielded more accurate impressions of angulated implants. es
dc.title Comparative evaluation of the effect of impression materials and trays on the accuracy of angulated implants impressions es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.55227 es
dc.type.hasVersion VoR es_ES

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