1. Effect of cementation protocol on push-out bond strength of fiber posts to root canal
- Author
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André Luis Faria-e-Silva, Marcela Gonçalves Borges, Denise Sá Maia Casselli, and Murilo de Sousa Menezes
- Subjects
Orthodontics ,Materials science ,Polymers and Plastics ,Bond strength ,Root canal ,Statistical difference ,Dental bonding ,Cementation (geology) ,Surfaces, Coatings and Films ,medicine.anatomical_structure ,Push out ,Materials Chemistry ,medicine ,Dentistry (miscellaneous) ,Adhesive ,Composite material ,Fiber posts - Abstract
The aim of this study was to evaluate the effect of adhesive protocol on the retention of glass-fiber posts luted into root canals. Thirty bovine incisors were endodontically treated and 9-mm-deep post holes were prepared. Fiber posts were luted using one of following protocols (n = 10): SB – Single Bond (3 M ESPE) with regular resin cement RelyX ARC (3 M ESPE); SBMP – Scotchbond Multipurpose Plus (3 M ESPE) associated with RelyX ARC; or UNI – the self-adhesive resin cement RelyX Unicem (3 M ESPE). After cementation, root/post specimens were transversally sectioned into 1-mm-thick slices, which were submitted to push-out testing in a mechanical testing machine. Bond strength data were analyzed by ANOVA (α = 0.05). There was no statistical difference between the adhesive protocols evaluated. Considering that the adhesive protocols evaluated showed similar bond strength values, simpler protocols must be preferable to lute fiber posts to root canal.
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