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VOLUME 20 , ISSUE 7 ( July, 2019 ) > List of Articles

ORIGINAL RESEARCH

Effect of Multilayering Incremental Technique on the Microleakage of High-viscosity Bulk-fill Composite Restorations in Endodontically Treated Teeth

Mohammed K Fahmi, Amal A Ashour, Vipin Arora

Keywords : Bulk-fill composite restorations, Incremental, Technique, Microleakage

Citation Information : Fahmi MK, Ashour AA, Arora V. Effect of Multilayering Incremental Technique on the Microleakage of High-viscosity Bulk-fill Composite Restorations in Endodontically Treated Teeth. J Contemp Dent Pract 2019; 20 (7):822-827.

DOI: 10.5005/jp-journals-10024-2604

License: CC BY-NC 4.0

Published Online: 01-07-2019

Copyright Statement:  Copyright © 2019; Jaypee Brothers Medical Publishers (P) Ltd.


Abstract

Aim: The aim of this study is to evaluate the effect of multilayering incremental technique on the microleakage of high-viscosity bulk-fill composite restorations in endodontically treated teeth. Materials and methods: A total of 60 human mandibular premolar teeth were divided into four groups after standardized access preparation with a protaper technique followed by single-cone obturation to receive the following restorations for the access preparations. Group I (n = 20): bulk-fill composite (Filtek™ Bulk fill) using a bulk technique, group II (n = 20): bulk-fill composite (Filtek™ Bulk fill) using an incremental layering technique, group III (negative control) (n = 10): gutta-percha was kept intact at the access orifice and covered with a nail polish, and group IV (positive control) (n = 10): gutta-percha was kept intact at the orifice. The samples were thermocycled at 5°C and 55°C for 500 cycles followed by dye penetration with 2% methylene blue and then the scoring was done under a stereomicroscope at 10× magnification. The data so obtained were compared for microleakage using a Chi-square test. There was a significant difference among all the groups except groups II and III. Results: Bulk-fill composites used with an incremental layering technique sealed significantly better than the other groups followed by bulk-fill composite in the bulk technique. Conclusion: Within the limitations of the present study, it can be concluded that the incremental layering technique with bulk-fill composites significantly decreases microleakage in the restored access preparations of endodontically treated teeth.


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