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VOLUME 21 , ISSUE 5 ( May, 2020 ) > List of Articles

ORIGINAL RESEARCH

Fracture Resistance of Endodontically Treated Teeth Obturated with Different Root Canal Sealers (A Comparative Study)

Yasser T Mohammed, Iman M Al-Zaka

Keywords : AH Plus, Bioceramic, Fracture resistance, GuttaFlow 2, MTA-Fillapex, Root

Citation Information : Mohammed YT, Al-Zaka IM. Fracture Resistance of Endodontically Treated Teeth Obturated with Different Root Canal Sealers (A Comparative Study). J Contemp Dent Pract 2020; 21 (5):490-493.

DOI: 10.5005/jp-journals-10024-2841

License: CC BY-NC 4.0

Published Online: 30-05-2020

Copyright Statement:  Copyright © 2020; Jaypee Brothers Medical Publishers (P) Ltd.


Abstract

Aim: The aim of this study is to compare the effect of different root canal sealers on the fracture resistance of endodontically treated teeth using AH Plus, GuttaFlow 2, MTA-Fillapex, and TotalFill® BC™ sealers. Materials and methods: Sixty single-rooted mandibular premolar teeth were used in the study. After the decoronation of the crowns of the teeth, we got a 13 mm root length. All samples instrumented using ProTaper Next system reaching file size ×4 as the final master apical file. Gutta-percha (GP) with single cone as obturation technique was carried out to all experimental teeth. Then, the teeth was divided into five groups (n = 12) based on the type of sealer to be used. Group I: AH Plus sealer + GP, Group II: GuttaFlow 2 sealer + GP, Group III: MTA-Fillapex sealer + GP, Group IV: TotalFill BC sealer + GP, and Group V: control (instrumented but unobturated teeth). Embedding all teeth in acrylic resin blocks was carried out and fracture force was measured using a universal testing machine (Instron Corp., Canton, MA, USA) by using metal-like spreader tip on 0.5 mm/m speed. Then, the data were statistically evaluated using one-way analysis of variance (ANOVA) and post hoc test (Tukey\'s test). Results: Group IV showed higher resistance to fracture than other groups significantly. There was a nonsignificant difference in fracture force between Group I, Group II, and Group III. Group V showed the least fracture resistance than other groups. Conclusion: Based on this in vitro study, TotalFill bioceramic-based sealer was more effective when compared with other sealers and the unobturated group showed the lowest mean fracture resistance. Clinical significance: The use of bioceramic sealer with BC cones enhanced the fracture resistance of endodontically treated teeth.


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