Evaluation of Push-Out Bond Strength of Fiber Post with Different Luting Cements(In Vitro Study).


  • Hidayat A. Khdhuer Department of Conservative Dentistry, College of Dentistry, Hawler Medical University, Erbil, Iraq.
  • Dara H. Saeed




Push-out, Fiber post, Self-Adhesive resin cement


Background and Objectives: The purpose of this study was to evaluate the regional pushout bond strength of fiber posts with different types of luting cements.
Methods: thirty extracted single-rooted mandibular premolars were instrumented with
rotary protaper® system and obturated with protaper® gutta-percha and AH-plus® root
canal sealer. Post space was prepared using Unicore® post drill #2 creating 8mm deep post
space and the same size of Unicore® fiber post #2 was placed. The prepared samples were
(30 samples) then subdivided into three groups for three different luting cement, (G1: RelyX Unicem, G2: TotalCem, G3: GC Fuji I). Each root was sectioned horizontally into 3 slices
(2mm in thickness) representing the coronal, middle and apical regions of the post. Pushout bond strength test were measured using a Universal Material Tester at a cross head
speed of 0.5 mm/min.
Results: Regarding the types of luting materials, RelyX Unicem showed significantly higher
bond strength than other tested materials.
Conclusions: The retention of fiber post was affected by the type of luting materials and
root regions.


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How to Cite

Khdhuer HA, Saeed DH. Evaluation of Push-Out Bond Strength of Fiber Post with Different Luting Cements(In Vitro Study). EDJ [Internet]. 2022 Dec. 30 [cited 2023 May 31];5(2):148-54. Available from: https://pha.hmu.edu.krd/index.php/journal/article/view/187



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