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CC BY-NC-ND 4.0 · Eur J Dent 2021; 15(01): 101-108
DOI: 10.1055/s-0040-1715986
Original Article

Effect of Tricalcium Silicate on Direct Pulp Capping: Experimental Study in Rats

Lúcio P.G. Chicarelli
1   Dental School, State University of Western Paraná, Cascavel, Paraná, Brazil
,
Mariana B.F. Webber
1   Dental School, State University of Western Paraná, Cascavel, Paraná, Brazil
,
João P.A. Amorim
1   Dental School, State University of Western Paraná, Cascavel, Paraná, Brazil
,
Ana L.C.A. Rangel
1   Dental School, State University of Western Paraná, Cascavel, Paraná, Brazil
,
Veridiana Camilotti
1   Dental School, State University of Western Paraná, Cascavel, Paraná, Brazil
,
Mario A.C. Sinhoreti
2   Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil
,
Marcio J. Mendonça
1   Dental School, State University of Western Paraná, Cascavel, Paraná, Brazil
› Author Affiliations
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Abstract

Objectives Conduct a histological comparison of the pulp response to different materials, with a focus on the continuity and morphology of the mineralized barrier after direct pulp capping.

Materials and Methods One hundred and eight maxillary first molars of 54 Wistar rats were subject to direct pulp capping and divided into three groups according to the materials used: calcium hydroxide (CH), mineral trioxide aggregate (MTA), and Biodentine. All cavities were sealed, and the animals were euthanized at 7, 14, and 21 days. Descriptive histological evaluation of the inflammation and formation of the mineralized barrier was performed.

Statistical Analysis Statistical analyses were performed using the Kruskal–Wallis test, which was complemented by the Dunn test; differences with p < 0.05 were considered statistically significant.

Results The results showed that MTA and Biodentine elicited less intense inflammatory reactions than CH. With respect to the formation and quality of the dentin barrier formed, differences were observed at 21 days between the analyzed groups; the best results being obtained following treatment with MTA and Biodentine.

Conclusion MTA and Biodentine induced formation of a more continuous and uniform mineralized barrier with less intense pulp response than CH.

Keywords

Direct pulp capping - mineral trioxide aggregate - Biodentine - tricalcium silicate


Publication History

Article published online:
08 September 2020

© 2020. European Journal of Dentistry. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

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