Postoperative Pain Evaluation After Single Visit Endodontic Retreatment Using XP Endo Shaper and ProTaper Retreatment Rotary Systems: A Randomized Clinical Trial

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1 Assistant Lecturer at Endodontic Department, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt.

2 Professor of Endodontics, Endodontic Department, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt.

3 Lecturer of Endodontics, Endodontic Department, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt

Abstract

Purpose: to evaluate endodontic retreatment outcome using XP-endo shaper & ProTaper retreatment files by recording postoperative pain. Subjects and methods: twenty-eight cases aged 15 to 40 years old were divided randomly into two groups (14 cases each). Group I (XP endo shaper group); Old Gutta Percha in this group was removed by XP endo shaper file used in the following sequence as DR1 (15mm length, orifice opener), XP endo Shaper (size/taper 30/0.04) and XP endo Finisher R (size/taper 30/0.00). Group II (ProTaper Retreatment group): The Old Gutta Percha in this group were removed by ProTaper rotary retreatment system as follows: D1 within the coronal third, D2 within the middle, then reach the full working length by D3. Irrigation protocol was done using 2.6% NaOCl solution using a 31-G NaviTip needle during changing the files. Then, using 5 mL of 17% EDTA solution for 1 minute, and finally rinsed with 5 mL of distilled water. Enlargement of the apical portion was done by F4 pro taper rotary file. The treatment outcome was evaluated clinically through pain recording using VAS (Visual Analogue Scale) at 24 hours and 1 week). Results: showed no statistically significant differences between median pain scores in the two groups after 24 hours as well as one week. Conclusion: it could be concluded that the XP endo shaper retreatment file is a reliable approach in root filling removal showing mild postoperative pain values.

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