The effect of individualization of fiberglass posts using bulk-fill resin-based composites on cementation: an in vitro study

The effect of individualization of fiberglass posts using bulk-fill resin-based composites on cementation: an in vitro study

ObjectivesThis study evaluated the bond strength of various fiberglass post cementation techniques using different resin-based composites.Materials and MethodsThe roots from a total of 100 bovine incisors were randomly assigned to 5 treatment groups: G1, post + Scotchbond Multi-Purpose (SBMP) + Rely...

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Bibliographic Details
Main Authors: Rodrigo Barros Esteves Lins, Jairo Matozinho Cordeiro, Carolina Perez Rangel, Thiago Bessa Marconato Antunes, Luís Roberto Marcondes Martins
Format: Article
Language:English
Published: Korean Academy of Conservative Dentistry 2019-11-01
Series:Restorative Dentistry & Endodontics
Subjects:
cementation
composite resins
dentin
root canal filling materials
tooth root
Online Access:http://rde.ac/upload/pdf/rde-44-e37.pdf
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Summary:ObjectivesThis study evaluated the bond strength of various fiberglass post cementation techniques using different resin-based composites.Materials and MethodsThe roots from a total of 100 bovine incisors were randomly assigned to 5 treatment groups: G1, post + Scotchbond Multi-Purpose (SBMP) + RelyX ARC luting agent; G2, relined post (Filtek Z250) + SBMP + RelyX ARC; G3, individualized post (Filtek Z250) + SBMP; G4, individualized post (Filtek Bulk-Fill) + SBMP; G5, individualized post (Filtek Bulk-Fill Flow) + SBMP. The samples were subjected to the push-out (n = 10) and pull-out (n = 10) bond strength tests. Data from the push-out bond strength test were analyzed using 2-way analysis of variance (ANOVA) with the Bonferroni post hoc test, and data from the pull-out bond strength test were analyzed using 1-way ANOVA.ResultsThe data for push-out bond strength presented higher values for G2 and G5, mainly in the cervical and middle thirds, and the data from the apical third showed a lower mean push-out bond strength in all groups. No significant difference was noted for pull-out bond strength among all groups. The most frequent failure modes observed were adhesive failure between dentine and resin and mixed failure.ConclusionsFiberglass post cementation using restorative and flowable bulk-fill composites with the individualization technique may be a promising alternative to existing methods of post cementation.
ISSN:2234-7658
2234-7666

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