| ORIGINAL ARTICLE |
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| Year : 2020 | Volume
: 9
| Issue : 3 | Page : 134-140 |
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Impact of irrigation solutions on the apical sealing potential of different endodontic sealers used with the continuous-wave obturation technique: An In vitro study
Mohamed Abdelaziz Mohamed El Sayed
Department of Restorative Dentistry, College of Dentistry, Ajman University, Ajman, UAE; Department of Endodontic, Faculty of Dentistry, Mansoura University, Mansoura, Egypt
Correspondence Address:
Prof. Mohamed Abdelaziz Mohamed El Sayed
Department of Restorative Dentistry, Ajman University, College of Dentistry, P. O. Box: 346, Ajman
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/ejgd.ejgd_110_20
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Aim: This study is aimed to evaluate the impact of three irrigating solutions on the apical sealing ability of three endodontic sealers. Materials and Methods: One hundred maxillary central incisors were decoronated, and their roots were assigned into three experimental groups (n = 30 each) according to the nature of the irrigating solution and two control groups (n = 5 each). Each experimental group was divided equally into three subgroups (n = 10 each) according to the type of root canal sealer. All root canals were instrumented using ProTaper Universal rotary system and irrigated with 3% sodium hypochlorite (NaOCl/Group 1), 3% hydrogen peroxide (H2O2/Group 2), and 2% chlorhexidine gluconate (CHX/Group 3). The final irrigating solutions for all groups were 17% ethylenediaminetetraacetic acid (EDTA) and distilled water. The continuous-wave technique was used to fill the prepared canals with the following materials: MTA-Fillapex/Gutta-percha (Subgroup A), AH Plus/Gutta-percha (Subgroup B), and Realseal SE/Realseal (Subgroup C). The microleakage was assessed after 72 hours using the linear dye penetration method. The results were statistically analyzed with one-way analysis of variance. Results: Significant differences were found only between the experimental groups (P < 0.05). All root canal sealers after irrigation with 3% H2O2 showed the lowest amount of leakage. The highest apical leakage was observed when 3% NaOCl and 2% CHX were used. Conclusions: The type of irrigating solution could affect the apical sealing ability of experimental sealers used with the continuous-wave obturation technique. Root canal irrigation with 3% H2O2+17% EDTA increased the apical sealing ability of all root canal sealers. Root canal irrigation with 3% NaOCl or 2% CHX +17% EDTA decreased the apical sealing ability of all root canal sealers.
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