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ORIGINAL ARTICLE
Year : 2017  |  Volume : 9  |  Issue : 5  |  Page : 197-200

Evaluation of push out bond strength of fiber post after treating the intra radicular post space with different post space treatment techniques: A randomized controlled In vitro trial


Department of Conservative and Endodontics, KSR Institute of Dental Science and Research, Thokkavadi, Tiruchengode, Namakkal, Tamil Nadu, India

Correspondence Address:
Sebeena Mathew
Department of Conservative and Endodontics, KSR Institute of Dental Science and Research, Thokkavadi - 637 215, Tiruchengode, Namakkal, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jpbs.JPBS_156_17

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Objective: The aim of this study was to evaluate the push out bond strength after treating the post space with different irrigation procedures. Study Design: The study sample comprised of 60 recently extracted premolars. These teeth were placed in 5.25% sodium hypochlorite solution for 5 min and then washed under tap water. De-coronated samples were biomechanically prepared until F3 ProTaper and obturated using AH-Plus and 30# (6%) gutta-percha. The specimens were allowed to set for 24 h and then post space was prepared. The teeth were randomly assigned into three experimental groups based on the treatment technique: Group A – control, Group B – sodium hypochlorite and ethylene diamine tetra acetic acid (EDTA) and Group C – diode laser and EDTA. The samples were sectioned horizontally and push out bond strength was evaluated. The stereomicroscopic examination was done for evaluating the failure mode. One-way ANOVA variance followed by Tukey's post-hoc test was used for statistical analysis using SPSS software. Results: Use of diode laser does not enhance the bond strength of fiber post. Conclusion: Diode laser at a very low pulse can be used as an irrigant adjuvant to vaporize the cement residues. Using diode laser does not enhance the bond strength. EDTA as final irrigant increases the bond strength of fiber post.


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