The available evidence indicated that the coronal region of the root canal bonded better to the glass fiber post  than apical regions .
Phosphoric acid , hydrogen peroxide , and silane application enhance post ’s retentiveness .
In light of the current evidence , surface treatment strategies increase the bond strength of glass fiber post to dentine .
However , recommendations for st and ardized testing methods and reporting of future clinical studies are required to maintain clinical ly relevant information and to underst and the effects of various surface treatment of glass fiber post  and their bond strength with dentine walls of the root canal
The objective of this systematic review was to determine the influence of surface treatment of glass fiber posts  on bond strength to dentine .
Bonding effectiveness and sealing ability of fiber-post bonding.
OBJECTIVES To evaluate the push-out bond strength and the sealing ability of five adhesive cements routinely used for fiber-post bonding . METHODS Fifty extracted single-rooted teeth were r and omly divided in five groups and restored using Parapost FiberLux and the following luting agents : Panavia 21 ( PAN ) , Clearfil Esthetic Cement ( CLF ) , Variolink II ( VAR ) , RelyX Unicem ( UNI ) and experimental GC self-adhesive cement ( EGC ) . After 1 week of water storage at 37 degrees C , three sections ( coronal , middle and apical ) of 2 mm thickness were prepared from each specimen . Sealing ability was quantified with a fluid-filtration system ( Flodec ) during 10 min , after which the push-out bond strength was immediately measured . Data were analyzed with ANOVA ( push-out ) and Kruskal-Wallis ( sealing ability ) . RESULTS The push-out bond strength and sealing ability were not significantly different among the coronal , middle and apical sections for each luting agent . The highest push-out bond strength was measured for CLF ( 14.60+/-3.63 MPa ) , which was not significantly different from PAN ( 12.57+/-2.45 MPa ) , but significantly higher than VAR ( 11.09+/-4.09 MPa ) , UNI ( 11.29+/-4.31 MPa ) and EGC ( 7.65+/-4.79 MPa ) . When evaluating the sealing ability , significant differences were not found among PAN , CLF and VAR , and between UNI and EGC . The latter luting agents scored significantly lower than the former ones . The push-out bond strength was correlated to the sealing ability ( p<0.001 ) . SIGNIFICANCE The self-etching MDP-based cements presented the highest push-out bond strength . Although the bonding effectiveness of self-adhesive cements appears promising , their interaction with root dentin might be too weak to minimize microleakage at the post-cement-dentin interface
The available evidence indicated that the coronal region of the root canal bonded better to the glass fiber post  than apical regions .
Phosphoric acid , hydrogen peroxide , and silane application enhance post ’s retentiveness .
In light of the current evidence , surface treatment strategies increase the bond strength of glass fiber post to dentine .
However , recommendations for st and ardized testing methods and reporting of future clinical studies are required to maintain clinical ly relevant information and to underst and the effects of various surface treatment of glass fiber post  and their bond strength with dentine walls of the root canal
The objective of this systematic review was to determine the influence of surface treatment of glass fiber posts  on bond strength to dentine .