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Push-out strength of translucent fibre posts cemented using a dual-curing technique or a light-curing self-adhering material
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Giachetti, L., Scaminaci Russo, D., Baldini, M., Bertini, F., Steier, L. and Ferrari, M. (2012) Push-out strength of translucent fibre posts cemented using a dual-curing technique or a light-curing self-adhering material. International Endodontic Journal, Vol.45 (No.3). pp. 249-256. doi:10.1111/j.1365-2591.2011.01969.x ISSN 0143-2885.
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Official URL: http://dx.doi.org/10.1111/j.1365-2591.2011.01969.x
Abstract
Aim To compare by means of a push-out test the interfacial strength of a dual-curing resin cement and a light-curing self-adhering resin composite when used in translucent fibre post cementation. Methodology Thirty-four extracted human premolars with single canals were selected and root filled. Translucent fibre posts (RelyX Fiber Post) were luted into the root canal using two resinous luting systems (n = 17). Dual-Curing Technique (DC): the specimens were treated with Excite DSC and RelyX ARC, which were light-cured simultaneously through the post for 60 s. Light-Curing Self-Adhering Technique (LCSA): the specimens were treated with Vertise Flow, which was light-cured through the post for 60 s. The specimens were sectioned transversally into six slices to perform the push-out test at the coronal, middle and apical regions of the root canals. Data were analysed by two-way anova. All specimens were analysed by stereomicroscopy and SEM to determine fracture patterns. Results There were no significant differences between the DC and LCSA techniques (P = 0.703) in any of the canal regions. Root region was not a significant factor for push-out values (P = 0.255) and groupregion interactions were not significant (P = 0.740). For the DC technique, the majority of the fracture patterns (73.3%) were adhesive at the interface between dual-curing resin cement and adhesive. For the LCSA technique, the majority of the fracture patterns (71.7%) were adhesive at the interface between light-curing self-adhering resin composite and dentine. Conclusions The interfacial strength between light-curing self-adhering resin composite and root canal walls is equivalent to the interfacial strength between dual-curing cement and root canal walls.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | R Medicine > R Medicine (General) | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School | ||||
| Journal or Publication Title: | International Endodontic Journal | ||||
| Publisher: | Wiley-Blackwell Publishing Ltd. | ||||
| ISSN: | 0143-2885 | ||||
| Official Date: | March 2012 | ||||
| Dates: |
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| Volume: | Vol.45 | ||||
| Number: | No.3 | ||||
| Number of Pages: | 8 | ||||
| Page Range: | pp. 249-256 | ||||
| DOI: | 10.1111/j.1365-2591.2011.01969.x | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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