The Open Dentistry Journal




ISSN: 1874-2106 ― Volume 13, 2019
RESEARCH ARTICLE

Comparative Evaluation of Retreatability of Endodontically Treated Teeth using AH 26, Fluoride Varnish and Mineral Trioxide Aggregate-based Endodontic Sealers



Zakiyeh Donyavi1, Abbas Shokri2, Zahra Pakseresht1, *, Leili Tapak3, Alireza Falahi4, Hadiseh Abbaspourrokni1
1 Department of Endodontics, Dental school, Hamadan University of Medical Sciences, Hamadan, Iran
2 Department of Oral and Maxillofacial Radiology, Dental School, Hamdan University of Medical Sciences, Hamdan, Iran
3 Department of Biostatistics, school of public health and modeling of noncommunicable diseases research center, Hamadan University of Medical Sciences, Hamadan, Iran
4 Department of Biomedical Engineering, Hamadan University of Medical Sciences, Hamadan, Iran

Abstract

Background and Objectives:

Endodontic sealers are used to fill the gap between the root filling material and canal walls. Retrievability is an important requirement for sealers and root filling materials in non-surgical endodontic retreatment. This study sought to assess the retreatability of fluoride varnish, AH 26 and Mineral Trioxide Aggregate (MTA)-based sealers using Cone-Beam Computed Tomography (CBCT).

Materials and Methods:

This in vitro, experimental study evaluated 45 extracted single-rooted, single-canal human mandibular premolars. Teeth with cracks or fracture were excluded. The root canals were prepared using ProTaper Universal rotary system up to size F4 according to the manufacturer’s instructions. The teeth were then randomly divided into three groups of 5% fluoride varnish, AH 26 and MTA Fillapex. CBCT scans were obtained of the teeth with 200 μm voxel size. MATLAB R2012 software was used to quantify the amount of sealer remaining in the canal. Two observers evaluated the images. Data were analyzed using SPSS via the Kruskal-Wallis and Mann Whitney tests.

Results:

The amount of sealer remaining in the root canals was significantly different among the three groups (P<0.05). The amount of AH 26 sealer remaining in the root canals (1.91±1.46) was significantly greater than MTA Fillapex (0.62±0.26) and fluoride varnish, but the latter two were not significantly different in this respect (P>0.05).

Conclusion:

Considering the adequate adhesion of fluoride varnish to dentin, its cariostatic effect and low cost, it seems to be a suitable alternative to the commonly used endodontic sealers.

Keywords: Fluoride varnish, Sealer, Mineral trioxide aggregate, Cone-beam computed tomography, Retreatability, Endodontic retreatment.


Article Information


Identifiers and Pagination:

Year: 2019
Volume: 13
First Page: 183
Last Page: 189
Publisher Id: TODENTJ-13-183
DOI: 10.2174/1874210601913010183

Article History:

Received Date: 05/02/2019
Revision Received Date: 01/04/2019
Acceptance Date: 15/04/2019
Electronic publication date: 31/05/2019
Collection year: 2019

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© 2019 Donyavi et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: (https://creativecommons.org/licenses/by/4.0/legalcode). This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


* Address correspondence to this author at the Department of Endodontics, Dental School, Hamadan University of Medical Sciences, Hamadan, Iran;
Tel: +98-914 189 7599; Fax: +98-813-8251885;
E-mail: z.pakseresht@yahoo.com




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