Evaluation of Removal of DAP Intra-canal Medication Mixed with Different Vehicles from Immature Root Canals using XP Endo Finisher

Authors

1 master candidate for Endodontic Dentistry ,Faculty of Dental Medicine for Girls Al-Azhar University

2 Professor of endodontic Dentistry, Faculty of Dental Medicine for Girls Al-Azhar University

3 Lecturer of endodontic Dentistry, Faculty of Dental Medicine for Girls Al-Azhar University

Abstract

Purpose: The present study was performed to evaluate the removal of double antibiotics paste (DAP) intra-canal medication mixed with different vehicles from immature root canals. Materials and methods: Thirty-seven single-rooted teeth were prepared using ProTaper universal till size F5. Then, canals were allocated into three groups according to the type of vehicle that was used for mixing double antibiotic paste (DAP). Each group comprises 11 samples, four of which were assigned as the control group. Group I: root canal filled with DAP mixed with polyethylene glycol (PEG400), Group II: root canal filled with DAP mixed with chitosan, and Group III: root canal filled with DAP mixed with distilled water. Samples were stored at 370C for 3 weeks under a humid environment, followed by removal of DAP via XP endo finisher file by continuous irrigation with 2.6%NaOCl then 17% EDTA and finally flushed with distilled water. All samples were sectioned longitudinally into 2 halves. Each half was photographed, and the image was digitized to calculate the percentage of remaining amount of DAP at each third (statistical tests and level of significance). Results: XP endo finisher removed significantly more DAP mixed with PEG400 than other groups (PConclusion: From the overall mean for every group, we can conclude that the PEG 400 as the vehicle was (the lowest in remnant percentage), especially in the apical third.

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