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.
Descriptors:
Calcium hydroxide; dental cavity lining; dydrogen-ion concentration