Abstract

Objective: To evaluate the influence of three different instrumentation techniques on the incidence of postoperative pain after endodontic treatment. Material and Methods: Ninety permanent single rooted mandibular premolar with sign and symptoms of non-vital teeth were selected. Patients were randomly divided into three different groups according to the type of instrumentation: Group 1= Reciproc; Group 2= Twisted File in continuous motion and Group 3= WaveOne. Oburation was done with corresponding guttapercha points using zinc oxide eugenol sealer. The intensity of pain was recorded by the patient using visual analogue scale, after 2hr, 6hr, 12hr, 48hr and 3 days of completion of obturation. Data analysis was done using Wilcoxon signed-ranks test. The level of significance was set at 5%. Results: For Group 1 at 12 hours mean was 4.53 + 1.9 and median was 5. The mean value increased from 2 hours to 6 hours upto 12 hours and decreased after 48 hours till 3rd day. For Group 2 at 12 hours mean was 2.80 + 0.71 and median was 3.00. The mean value increased from 2 hours to 6 hours upto 12 hours and decreased after 48 hours till third day. For Group 3 at 12 hours mean was 4.77 + 1.81 and median was 5.00. Mean value increased from 2 hrupto 12 hr and decreased from 12 hours upto third day. At interval from 2-48 hours there is no significant difference seen between 3 groups and at 2 hours-3 days interval significant difference was seen in first group, but no significant results were seen between group 2 and group 3. There was no significant difference seen between all the groups at the interval of 6-12 hours (p>0.05). Conclusion: Pain score was less in case of Twisted File continuous motion technique while it was more in WaveOne and Reciproc technique.

Highlights

  • Endodontic treatment can be completed in either single or multiple visits [1,2]

  • The mean value increased from 2 hours to 6 hours upto 12 hours and decreased after 48 hours till 3rd day

  • The mean value increased from 2 hours to 6 hours upto 12 hours and decreased after 48 hours till third day

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Summary

Introduction

Endodontic treatment can be completed in either single or multiple visits [1,2]. Previous study has shown that better performance of single visit root canal therapy over multiple root canal therapy. The latest instrumentation technique to improve the simplicity and treatment safety [4,5,6]. Biomechanical preparation plays an important role in endodontic therapy. During this phase little, inadvertent extrusion of debris and irrigants into periapical tissues may occur both with manual stainless steel or nickel titanium rotary instrument techniques. Latest studies have shown that reciprocating instrumentation technique significantly increases the amount of debris extruded periapicallywhich may result in postoperative pain [7,8,9]

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