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Article

In Vitro Evaluation of Desensitizing Agents Containing Bioactive Scaffolds of Nanofibers on Dentin Remineralization

by
Natália Bastos-Bitencourt
1,
Marilia Velo
1,
Tatiana Nascimento
2,3,
Cassiana Scotti
1,
Maria Gardennia da Fonseca
2,
Luiz Goulart
3,
Lucio Castellano
4,
Sergio Ishikiriama
1,
Juliana Bombonatti
1 and
Salvatore Sauro
5,6,*
1
Department of Operative Dentistry, Endodontics and Dental Materials, Bauru School of Dentistry, University of Sao Paulo, Bauru, SP 17011-220, Brazil
2
Center for Fuels and Materials (NPE—LACOM), Program of Post-Graduation in Chemistry, Federal University of Paraíba (PPGQ-UFPB), João Pessoa, PB 58033-455, Brazil
3
Laboratory of Nanobiotechnology (NANOS), Institute of Biotechnology, Federal University of Uberlândia, Av. Pará, 1720, Uberlândia, MG 38400-902, Brazil
4
Human Immunology Research and Education Group (GEPIH), Technical School of Health, Federal University of Paraíba, João Pessoa, PB 58059-900, Brazil
5
Dental Biomaterials and Minimally Invasive Dentistry, Department of Dentistry, Cardenal Herrera-CEU University, CEU Universities, C/Santiago Ramón y Cajal, s/n., Alfara del Patriarca, 46115 Valencia, Spain
6
Department of Therapeutic Dentistry, I.M. Sechenov First Moscow State Medical University, 119146 Moscow, Russia
*
Author to whom correspondence should be addressed.
Materials 2021, 14(5), 1056; https://doi.org/10.3390/ma14051056
Submission received: 31 January 2021 / Revised: 17 February 2021 / Accepted: 19 February 2021 / Published: 24 February 2021
(This article belongs to the Special Issue Novel Dental Restorative Materials)
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Abstract

This study evaluated the effect of the incorporation of bioactive nanofibers in desensitizing agents on dentin permeability. Sixty disks of dentin were randomly distributed in four groups (n = 15). Distribution was based on the desensitizing agents, fluoride varnish and self-etching adhesive, and the presence of nanofibers: C (self-etching adhesive Clearfil SE Bond), CN (Clearfil SE Bond with 1% nanofiber), D (Duraphat varnish), and DN (Duraphat varnish with 1% nanofiber). Dentin permeability was determined using hydraulic conductivity. For a qualitative analysis, confocal laser microscopy and scanning electron microscopy were performed. The C group showed the lowest hydraulic conductance (Lp%) (89.33), while the DN group showed the highest Lp% (116.06). No statistical significance was observed in the Lp% values in all groups after the treatment and 6% citric acid challenge (p > 0.239). In the images, the CN group presented a higher superficial and intratubular deposition. In addition, this group presented a more homogeneous dentin surface and wide occlusion of dentinal tubules than the other treatments. Despite there being no statistical differences among the treatments employed, the images showed that the CN group presented a higher surface and intratubular deposition compared to the other treatments, even after the acid challenge.
Keywords: dentin hypersensitivity; sensitivity; therapy; nanofibers; hydroxyapatites dentin hypersensitivity; sensitivity; therapy; nanofibers; hydroxyapatites

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MDPI and ACS Style

Bastos-Bitencourt, N.; Velo, M.; Nascimento, T.; Scotti, C.; da Fonseca, M.G.; Goulart, L.; Castellano, L.; Ishikiriama, S.; Bombonatti, J.; Sauro, S. In Vitro Evaluation of Desensitizing Agents Containing Bioactive Scaffolds of Nanofibers on Dentin Remineralization. Materials 2021, 14, 1056. https://doi.org/10.3390/ma14051056

AMA Style

Bastos-Bitencourt N, Velo M, Nascimento T, Scotti C, da Fonseca MG, Goulart L, Castellano L, Ishikiriama S, Bombonatti J, Sauro S. In Vitro Evaluation of Desensitizing Agents Containing Bioactive Scaffolds of Nanofibers on Dentin Remineralization. Materials. 2021; 14(5):1056. https://doi.org/10.3390/ma14051056

Chicago/Turabian Style

Bastos-Bitencourt, Natália, Marilia Velo, Tatiana Nascimento, Cassiana Scotti, Maria Gardennia da Fonseca, Luiz Goulart, Lucio Castellano, Sergio Ishikiriama, Juliana Bombonatti, and Salvatore Sauro. 2021. "In Vitro Evaluation of Desensitizing Agents Containing Bioactive Scaffolds of Nanofibers on Dentin Remineralization" Materials 14, no. 5: 1056. https://doi.org/10.3390/ma14051056

APA Style

Bastos-Bitencourt, N., Velo, M., Nascimento, T., Scotti, C., da Fonseca, M. G., Goulart, L., Castellano, L., Ishikiriama, S., Bombonatti, J., & Sauro, S. (2021). In Vitro Evaluation of Desensitizing Agents Containing Bioactive Scaffolds of Nanofibers on Dentin Remineralization. Materials, 14(5), 1056. https://doi.org/10.3390/ma14051056

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