Özet:

Purpose: The purpose of this in-vitro study is to compare the push-out connectivity resistance of 3 different fiber post systems placed in the root channels prepared with two different endodontic curve systems. Tools and Methods: 42 pieces of drawn single-root human sub-premols were removed from the tooth crowns. The roots were divided into two groups, one group Wave One, the other group was prepared with the root channels with the TF Adaptive endodontic rotating tool system. Three different fiber post sites, including FRC, GC and Rely-X, were simulated into the root channels. The simulation process was carried out with Rely-X Unicem, a double-stage polymerized process. With low-speed diamond freezers, horizontal cuts with a thickness of 1.00 mm ± 0.05 mm were taken under water cooling. The Push-out test was performed in the universal test device to be 1mm/min, and the data obtained was evaluated at the level P0.05 with the triangular variance analysis and tukey. Results:The root channel preperation technique found that there was no statistical difference in the connection resistance between the fiber post type and the cuts taken from the coronal middle or apical area of the tooth. (p>0,05) Results:There is no difference between the connectivity of different post systems to the prepared root channel with different rotating curve systems.  Keywords:fiber post systems, endodontic turning curve systems, connectivity resistance

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