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Effects of adhesive systems and luting agents on bonding of fiber posts to root canal dentin
Author(s) -
Monticelli Francesca,
Osorio Raquel,
Albaladejo Alberto,
Aguilera Fatima S.,
Ferrari Marco,
Tay Franklin R.,
Toledano Manuel
Publication year - 2006
Publication title -
journal of biomedical materials research part b: applied biomaterials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.665
H-Index - 108
eISSN - 1552-4981
pISSN - 1552-4973
DOI - 10.1002/jbm.b.30420
Subject(s) - adhesive , bond strength , materials science , dentin , stereo microscope , root canal , composite material , primer (cosmetics) , composite number , dentistry , universal testing machine , post and core , ultimate tensile strength , medicine , chemistry , organic chemistry , layer (electronics) , crown (dentistry)
The study evaluated the influence of different luting materials on the microtensile bond strength of glass fiber posts to root canal dentin. Thirty extracted maxillary premolars were endodontically treated, and the roots were prepared for post cementation using the FRC Postec system (Vivadent). Two luting materials (Multilink, Vivadent and Clearfil Photo Core, Kuraray) were used in combination with three adhesive: Multilink Primer (Vivadent), Clearfil Photo Bond, and Clearfil New Bond (Kuraray). A composite build‐up was performed around the root to provide adequate gripping during testing. Specimens were cut to obtain beams with the post in the center and with the radicular dentin overlaid by the composite build‐up on each side. Microtensile testing was performed with a universal testing machine at a cross‐head speed of 0.5 mm/min. The failure mode was classified under a stereomicroscope and four representative beams of each group were selected for SEM analysis. Bond strength data that were analyzed with two‐way ANOVA and Student‐Newman‐Keuls multiple comparisons tests revealed that adhesive systems, luting materials, and the interaction between these two factors significantly influenced the bond strength results ( p < 0.01). Multilink applied with its own adhesive system obtained the best results, while the lowest bond strength was achieved with clearfil photo core in combination with multilink primer. © 2005 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 2006