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Microsc Res Tech. 2019 Jul 31. doi: 10.1002/jemt.23353. [Epub ahead of print]

The efficacy of different irrigation protocols in removing tricalcium silicate-based sealers from simulated root canal irregularities.

Author information

1
Department of Conservative Dentistry and Endodontics, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Karnataka, India.
2
Department of Endodontics, Faculty of Dentistry, Gazi University, Ankara, Turkey.

Abstract

OBJECTIVE:

The aim of this study was to evaluate the efficacy of different irrigation protocols in removing two tricalcium silicate-based sealers from simulated root canal irregularities and root canal walls.

MATERIAL AND METHODS:

Root canals of 140 single-rooted teeth were instrumented. In one-half of each root, an apical groove was created. The samples were divided into two main groups (n = 70) based on the sealer used. In group 1, the grooves were filled with MTA Fillapex; in group 2, BioRoot RCS. The reassembled root halves were divided into six experimental and one control groups: 2.5% NaOCl-17% EDTA (Passive ultrasonic irrigation [PUI]), 5% NaOCl/9% DualRinse HEDP (PUI), 2.5% NaOCl-7% Maleic acid (PUI), 2.5% NaOCl-17% EDTA (Er:YAG laser activated irrigation [LAI]), 2.5% NaOCl/9% DualRinse HEDP (LAI), 2.5% NaOCl-7% Maleic acid (LAI), Distilled water (Control). Specimens were scored using SEM. The data were analysed using Kruskal-Wallis and Mann Whitney U tests.

RESULTS:

Maleic acid and DualRinse HEDP removed higher amounts of MTA Fillapex from the grooves compared to EDTA, when used with both activation methods (p < .001).

CONCLUSIONS:

Ultrasonically activated maleic acid or DualRinse HEDP can be an effective irrigation regimen in removing tricalcium silicate-based sealers.

KEYWORDS:

irrigation solution; scanning electron microscobe; tricalcium silicate

PMID:
31368166
DOI:
10.1002/jemt.23353

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