Abstract
Objectives
This study is to evaluate biocompatibility, bioactive potential, porosity, and dentin/material interface of Bio-C Repair (BIOC-R), MTA Repair HP (MTAHP), and Intermediate Restorative Material (IRM).
Materials and methods
Dentin tubes were implanted into subcutaneous of rats for 7, 15, 30, and 60 days. Thickness of capsules, number of inflammatory cells (ICs), interleukin-6 (IL-6), osteocalcin (OCN), and von Kossa were evaluated. Porosity and material/dentin interface voids were also analyzed. Data were submitted to ANOVA and Tukey’s tests (p < 0.05).
Results
IRM capsules were thicker and contained greater ICs and IL-6-immunopositive cells at 7 and 15 days. BIOC-R capsules exhibited higher thickness and ICs at 7 days and greater IL-6 at 7 and 15 days than MTAHP (p < 0.05). At 30 and 60 days, no significant difference was observed among the groups. OCN-immunopositive cells, von Kossa-positive, and birefringent structures were observed in BIOC-R and MTAHP. MTAHP exhibited higher porosity and interface voids (p < 0.05).
Conclusions
BIOC-R, MTAHP, and IRM are biocompatible. Bioceramics materials demonstrate bioactive potential. MTAHP presented the highest porosity and presence of voids.
Clinical relevance
BIOC-R and MTAHP have adequate biological properties. BIOC-R demonstrated lower porosity and presence of voids, which may represent better sealing for its clinical applications.
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Data Availability
All data generated or analyzed during this study are included in this published article.
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Funding
This study was financed in part by the Coordination for the Improvement of Higher Education Personnel (CAPES)—Finance Code 001, and was supported by São Paulo State Research Support Foundation—FAPESP, # 2017/19049–0 and #2017/14305–9.
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All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by Rafaela Nanami Handa Inada, Marcela Queiroz Borsatto, Camila Soares Lopes, Evelin Carine Alves Silva, and Fernanda Ferrari Esteves Torres. Guilherme Ferreira da Silva, Juliane Maria Guerreiro-Tanomaru, Paulo Sérgio Cerri, and Mário Tanomaru-Filho performed data analysis and prepared figures. The first draft of the manuscript was written by Rafaela Nanami Handa Inada, Camila Soares Lopes, and Mário Tanomaru-Filho, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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This project was approved by the Ethical Committee for Animal Research (# 04/2019) and Ethical Committee for Human Research of the University (#12647319.8.0000.5416). All procedures performed in studies involving human participants were in accordance with the Ethical Committee for Human Research of the University (#12647319.8.0000.5416) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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Inada, R.N.H., Queiroz, M.B., Lopes, C.S. et al. Biocompatibility, bioactive potential, porosity, and interface analysis calcium silicate repair cements in a dentin tube model. Clin Oral Invest 27, 3839–3853 (2023). https://doi.org/10.1007/s00784-023-05002-5
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DOI: https://doi.org/10.1007/s00784-023-05002-5