Evaluation of calcium release and pH value of light-cured cavity liners for pulp-capping materials

  • PEREIRA K
  • CRUVINEL R
  • DANTAS A
  • et al.
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Abstract

Abstract Introduction Cavity liners based calcium hydroxide present low strength and high solubility that is consider a disadvantage. In order to enhance these properties it was developed a light-cured cavity liner based calcium hydroxide containing resin. Objective The purpose of this study was to evaluate the pH and calcium release of light-cured cavity liners. Material and method There were prepared specimens (n=10) with the Ultra-Blend ® plus, Biocal® (light cured cements) and Hydro C® (control). The samples were stored in 10 mL of distilled water and maintained at 37 °C. After 24 hours, 7, and 14 days, there were analyzed pH and the release of calcium levels. The data were statistically analyzed by ANOVA and Tukey test (α = 0.05). Result The results of pH showed Hydro C > Ultra-Blend plus > Biocal. Biocal presented worst calcium release. Conclusion Light-cured materials present lower calcium release and alteration in pH values.Resumo Introdução Forradores cavitários à base de hidróxido de cálcio apresentam baixa resistência e alta solubilidade. Para resolver este problema, foi desenvolvido forradores à base de hidróxido de cálcio fotoativáveis contendo resina para melhorar suas propridades. Objetivo A proposta deste estudo foi avaliar a alteração de pH e liberação de cálcio de forradores fotoativáveis. Material e método Foram preparadas amostras (n=10) com Ultra-Blend® plus, Biocal ® (cimentos fotoativáveis) e Hydro C® (controle). As amostras foram armazenadas com 10 mL de água destilada e mantidas em estufa à 37 °C. Depois de 24 horas, 7 e 14 dias, foram avaliados os níveis de liberação de cálcio e a alteração de pH. Os dados foram analisados estatisticamente pelo teste ANOVA, seguido do pós teste Tukey (α = 0.05). Resultado Os resultados de pH mostraram Hydro C > Ultra-Blend plus > Biocal. Biocal apresentou a pior liberação de cálcio. Conclusão Materiais fotoativados apresentam menor liberação de cálcio e alteração nos valores de pH.

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APA

PEREIRA, K. de F., CRUVINEL, R. F. de S., DANTAS, A. A. R., & KUGA, M. C. (2018). Evaluation of calcium release and pH value of light-cured cavity liners for pulp-capping materials. Revista de Odontologia Da UNESP, 47(4), 205–209. https://doi.org/10.1590/1807-2577.06218

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