HIGHLIGHTSPOBT in endodontic research predicts the clinical behavior of endodontic material s .
Introduction : There is limited literature on the impact of testing variables on the push‐out bond test ( POBT ) .
This review identified design s of the POBT used in the endodontic literature and aim ed to determine which experimental variables may influence the push‐out bond strength ( POBS ) .
An in vitro comparison of bond strength of various obturation materials to root canal dentin using a push-out test design.
The purpose of this in vitro study was to compare the bond strength of various obturation material s to root canal dentin by using a push-out test design . Twenty-five single-rooted extracted human teeth were used in this study . The crowns were removed , and root canal instrumentation was completed by using Endogel-coated 0.06 EndoSequence rotary files ( Brasseler , Savannah , GA ) and appropriate irrigation with 5.25 % NaOCl and a final rinse with 17 % EDTA . After instrumentation , the roots were r and omly divided into five single-matched cone obturation groups ( n = 5 roots/group ) , as follows : group 1 , gutta percha with Kerr EWT ( Kerr Corp , Romulus , MI ) ; group 2 , gutta percha with AH Plus ( Dentsply , DeTrey , Germany ) ; group 3 , Resilon ( Pentron Clinical Technologies , Wallingford , CT ) and Epiphany ( Pentron ) ; group 4 , Activ GP ( Brasseler ) obturation system ; and group 5 , EndoREZ obturation system ( Ultradent , South Jordan , UT ) . The obturated roots were cut perpendicular to the long access to create 1-mm thick slices from the apical , middle , and coronal thirds . The bond strength was measured for each test slice with a push-out testing machine . Statistical analysis was completed by using a two-way analysis of variance and the post hoc Tukeys test with significance set at p < 0.05 . Group 2 showed a significantly ( p < 0.05 ) greater bond strength compared with all other groups . Also , groups 1 and 4 had significantly ( p < 0.05 ) higher bond strengths compared with groups 3 and 5
HIGHLIGHTSPOBT in endodontic research predicts the clinical behavior of endodontic material s .
Introduction : There is limited literature on the impact of testing variables on the push‐out bond test ( POBT ) .
This review identified design s of the POBT used in the endodontic literature and aim ed to determine which experimental variables may influence the push‐out bond strength ( POBS ) .