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Dent. J. 2018, 6(3), 45; https://doi.org/10.3390/dj6030045

Influence of the EndoActivator Irrigation System on Dentinal Tubule Penetration of a Novel Tricalcium Silicate-Based Sealer

1
Department of Endodontics, Faculty of Dentistry, Saint Joseph University, P. O. Box 11-5076 Riad el-Solh, Beirut 1107 2180, Lebanon
2
Laboratoire OPTIMAG, University of Bretagne Occidentale, 6 Avenue Le Gorgeu, C.S. 93837, 29238 Brest cedex 3, France
3
Physics Department, UR TVA, Faculty of Science, Saint Joseph University, B.P. 11-514 Riad el-Solh, Beirut 1107 2050, Lebanon
*
Author to whom correspondence should be addressed.
Received: 6 August 2018 / Revised: 30 August 2018 / Accepted: 30 August 2018 / Published: 3 September 2018
(This article belongs to the Section Dental Materials)
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Abstract

This study compared the effects of a conventional endodontic needle with an agitation system on a novel tricalcium silicate-based sealer (NTS) in terms of dentinal tubule penetration and interfacial adaptation to a root canal. Fifty single-rooted, recently-extracted human maxillary central incisors were randomly distributed into two homogeneous groups characterized by two different final cleansing systems: Conventional endodontic needle, or EndoActivator®. After instrumentation, all the teeth were filled with the gutta-percha single cone technique in conjunction with the novel tricalcium silicate-based sealer. Teeth were horizontally sectioned at 1 and 5 mm from the apex and were observed under a confocal laser scanning microscope (CLSM) at five magnifications. The maximum, mean, and the circumferential percentage of the sealer penetration inside the tubules were measured. Moreover, the gap width was evaluated using Image J software (National Institutes of Health, Bethesda, MD). EndoActivator® did not result in a significantly higher circumferential percentage of sealer penetration than conventional irrigation (p > 0.05). However, the gap width was significantly lower with EndoActivator®, compared to conventional needles at both 1 mm (p = 0.035) and 5 mm (p = 0.038). The EndoActivator® irrigation system did not significantly improve the NTS penetration, as compared to the conventional endodontic needle irrigation. Activation of the irrigation reduced the gap width significantly. View Full-Text
Keywords: Tricalcium silicate sealer; EndoActivator®; dentinal tubules penetration; gap; interfacial adaptation; confocal laser scanning microscope Tricalcium silicate sealer; EndoActivator®; dentinal tubules penetration; gap; interfacial adaptation; confocal laser scanning microscope
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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El Hachem, R.; Le Brun, G.; Le Jeune, B.; Pellen, F.; Khalil, I.; Abboud, M. Influence of the EndoActivator Irrigation System on Dentinal Tubule Penetration of a Novel Tricalcium Silicate-Based Sealer. Dent. J. 2018, 6, 45.

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