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In Vitro Comparison of Biocompatibility of Calcium Silicate-Based Root Canal Sealers
Open AccessFeature PaperArticle

Biocompatibility and Mineralization Activity of Three Calcium Silicate-Based Root Canal Sealers Compared to Conventional Resin-Based Sealer in Human Dental Pulp Stem Cells

1
Department of Conservative Dentistry, Dentistry and Dental Research Institute, School of Dentistry, Seoul National University, Seoul 03080, Korea
2
College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
3
Department of Conservative Dentistry, Seoul St. Mary’s Dental Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
*
Author to whom correspondence should be addressed.
Materials 2019, 12(15), 2482; https://doi.org/10.3390/ma12152482
Received: 1 July 2019 / Revised: 29 July 2019 / Accepted: 1 August 2019 / Published: 5 August 2019
(This article belongs to the Special Issue Contemporary Endodontic Materials)
The purpose of this study was to compare the cytotoxic effects and mineralization activity of three calcium silicate-based root canal sealers to those of a conventional resin-based sealer. Experiments were performed using human dental pulp stem cells grown in a monolayer culture. The root canal sealers tested in this study were EndoSequence BC Sealer (Brasseler), BioRoot RCS (Septodont), Endoseal MTA (Maruchi), and AH Plus (Dentsply DeTrey). Experimental disks 6 mm in diameter and 3 mm in height were made and stored in a 100% humidity chamber at 37 °C for 72 h to achieve setting. The cytotoxicity of various root canal sealers was evaluated using a methyl-thiazoldiphenyl-tetrazolium (MTT) assay. To evaluate cell migration ability, a scratch wound healing method was used, and images of the scratch area were taken using a phase-contrast microscope. Cell morphology was evaluated by a scanning electron microscope after direct exposure for 72 h to each sealer disk. In the cell viability assay, there were no significant differences between the EndoSequence BC, BioRoot RCS, Endoseal MTA, and control groups in any experimental period (p > 0.05). In the cell migration assay, there were no significant differences between the EndoSequence BC, Endoseal MTA, and control groups in any experimental period (p > 0.05). BioRoot RCS exhibited slower cell migration relative to EndoSequence BC and Endoseal MTA for up to 72 h (p < 0.05). Conversely, it showed a similar wound healing percentage at 96 h (p > 0.05). In an evaluation of cell morphology, cells in direct contact with EndoSequence BC, BioRoot RCS, and Endoseal MTA disks showed superior spreading compared to those in contact with the AH Plus disk. In an Alizarin red staining assay, EndoSequence BC, BioRoot RCS, and Endoseal MTA showed a significant increase in mineralized nodule formation compared to the AH Plus group (p < 0.05). In conclusion, all calcium silicate-based root canal sealers tested in this study showed good biological properties and mineralization activity compared to conventional resin-based sealer. View Full-Text
Keywords: cell viability; cell migration; scanning electron microscope; mineralization; calcium silicate-based sealer; conventional resin-based sealer cell viability; cell migration; scanning electron microscope; mineralization; calcium silicate-based sealer; conventional resin-based sealer
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MDPI and ACS Style

Seo, D.-G.; Lee, D.; Kim, Y.-M.; Song, D.; Kim, S.-Y. Biocompatibility and Mineralization Activity of Three Calcium Silicate-Based Root Canal Sealers Compared to Conventional Resin-Based Sealer in Human Dental Pulp Stem Cells. Materials 2019, 12, 2482. https://doi.org/10.3390/ma12152482

AMA Style

Seo D-G, Lee D, Kim Y-M, Song D, Kim S-Y. Biocompatibility and Mineralization Activity of Three Calcium Silicate-Based Root Canal Sealers Compared to Conventional Resin-Based Sealer in Human Dental Pulp Stem Cells. Materials. 2019; 12(15):2482. https://doi.org/10.3390/ma12152482

Chicago/Turabian Style

Seo, Deog-Gyu; Lee, Donghee; Kim, Yong-Min; Song, Dani; Kim, Sin-Young. 2019. "Biocompatibility and Mineralization Activity of Three Calcium Silicate-Based Root Canal Sealers Compared to Conventional Resin-Based Sealer in Human Dental Pulp Stem Cells" Materials 12, no. 15: 2482. https://doi.org/10.3390/ma12152482

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