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01-09-2019 | Original Article

Positive influence of simvastatin used as adjuvant agent for cavity lining

Authors: Maria Luísa Leite, Diana Gabriela Soares, Carla Caroline de Oliveira Duque, Ester Alves Ferreira Bordini, Giovana Anovazzi, Fernanda Gonçalves Basso, Denise Madalena Palomari Spolidorio, Josimeri Hebling, Carlos Alberto de Souza Costa

Published in: Clinical Oral Investigations | Issue 9/2019

Abstract

Objectives

To assess the biological, antimicrobial, and mechanical effects of the treatment of deep dentin with simvastatin (SV) before application of a glass-ionomer cement (GIC).

Materials and methods

Dentin discs were adapted to artificial pulp chambers and SV (2.5 or 1.0 mg/mL) was applied to the occlusal surface, either previously conditioned or not with EDTA (±EDTA). The extracts (culture medium + SV that diffused through dentin) was obtained and then applied to cultured odontoblast-like MDPC-23 cells. Cell viability, alkaline phosphatase (ALP) activity, and mineralization nodule (MN) deposition were evaluated. Untreated discs were used as control. The antibacterial activity of SV (2.5 or 1.0 mg/mL) against Streptococcus mutans and Lactobacillus acidophilus, as well as the bond strength of GIC to dentin in the presence of SV 2.5 mg/mL (±EDTA) were also assessed. The data were analyzed by ANOVA/Tukey tests (α = 5%).

Results

EDTA + SV 2.5 mg/mL significantly enhanced the ALP activity and MN deposition in comparison with the control, without changing in the cell viability (p < 0.05). The association EDTA + SV 2.5 mg/mL + GIC determined the highest ALP and MN values (p < 0.05). SV presented intense antimicrobial activity, and the EDTA dentin conditioning followed by SV application increased bond strength values compared with SV treatment alone (p < 0.05).

Conclusion

SV presents antimicrobial activity and diffuses across conditioned dentin to biostimulate odontoblast-like pulp cells.

Clinical significance

The use of SV as adjuvant agent for indirect pulp capping may biostimulate pulp cells thus preserving vitality and function of the pulp-dentin complex.

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Title: Positive influence of simvastatin used as adjuvant agent for cavity lining
Authors: Maria Luísa Leite
Diana Gabriela Soares
Carla Caroline de Oliveira Duque
Ester Alves Ferreira Bordini
Giovana Anovazzi
Fernanda Gonçalves Basso
Denise Madalena Palomari Spolidorio
Josimeri Hebling
Carlos Alberto de Souza Costa
Publication date: 01-09-2019
Publisher: Springer Berlin Heidelberg
Published in: Clinical Oral Investigations / Issue 9/2019
Print ISSN: 1432-6981
Electronic ISSN: 1436-3771
DOI: https://doi.org/10.1007/s00784-018-2757-7

At a glance: The STEP trials

Springer Medicine

Positive influence of simvastatin used as adjuvant agent for cavity lining

Abstract

Objectives

Materials and methods

Results

Conclusion

Clinical significance

At a glance: The STEP trials

Springer Medicine

Abstract

Objectives

Materials and methods

Results

Conclusion

Clinical significance

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