Journal of Stomatology

Abstract

1/2026 vol. 79
Original paper

Efficacy of sonic irrigation activation approaches in managing post endodontic pain: a randomized clinical trial

  1. Department of Conservative Dentistry and Endodontics, College of Dental Science and Research Centre, Ahmedabad, Gujarat, India
  2. Department of Conservative Dentistry and Endodontics, Narsinhbhai Patel Dental College and Hospital, Gujarat, India
  3. Department of Conservative Dentistry and Endodontics, Dr. D. Y. Patil Dental College and Hospital, Pimpri, Pune, India
  4. Department of Oral Pathology, Narsinhbhai Patel Dental College and Hospital, Gujarat, India
J Stoma 2026; 79, 1: 31-37
Online publish date: 2026/03/15
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Introduction

Postoperative pain after endodontic treatment negatively impacts patients’ quality of life. Therefore, minimizing post endodontic pain (PEP) is a key goal for clinicians, as it is both undesirable and reflect the success of treatment. The study aimed to evaluate PEP following single-visit root canal treatment, using ProTaper Next (PTN) and TruNatomy (TN) file systems in combination with side-vented needle (SV) and EndoActivator (EA) irrigation techniques.

Material and methods

Based on specific intraoral examination, 140 individuals were selected and distri­buted into 4 different criteria groups: Group 1 (PTN-SV), group 2 (PTN-EA), group 3 (TN-SV), and group 4 (TN-EA). To avoid discomfort during treatment, local anesthesia was administrated. PEP potency was observed and analyzed using visual analogue scale (VAS) at 6, 12, 24, and 48 hours posttreatment intervals. Data were statistically analyzed via SPSS version 20.0 software, with a significance level set at 0.05.

Results

At 6 and 12 hours, TN-EA showed the lowest PEP scores compared with other groups, and a statistically significant difference was observed. However, at 24 and 48 hours, no statistically significant differences were noted among all groups.

Conclusions

The pain potency after endodontic therapy was minimal when using the TN file system combined with EA irrigation, indicating its effectiveness in reducing posttreatment pain.

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