Paper Title:
Effect of Artificial Saliva with Fluoride Ions on the Color of Ti-Porcelain
  Abstract

In the acidic oral environments containing fluoride ions, hydrofluoric acid (HF) would form and affect the color of Titanium porcelain crown, but there is a lack of information on how color is affected by this oral fluid. The purpose of this study was to investigate the effects of various artificial saliva simulating oral environments in the presence of fluoride ions with different pH value on the color of self-made dental opaque, body porcelain, belonging to the Na2O-K2O–MgO–CaO–Al2O3–SiO2 glass system. Disc-shaped specimens, 5 mm diameter and a 2-mm thickness, were made by firing. Specimens were immersed in artificial saliva in the presence of fluoride ions with different pH value for 7, 14, 21 days, and then the color of the specimens was compared with the color of the initial specimen. The interactions were present in L*a*b* values between pH value and the day of immersion. The changes in L*a*b* color data as the day of immersion and pH value increased were revealed, which can resulted in perceptual color changes in L*a*b* color parameters.

  Info
Periodical
Advanced Materials Research (Volumes 105-106)
Edited by
Wei Pan and Jianghong Gong
Pages
572-575
DOI
10.4028/www.scientific.net/AMR.105-106.572
Citation
H. T. Wu, H. Y. Shang, L. T. Guo, J. F. Yang, T. W. Guo, "Effect of Artificial Saliva with Fluoride Ions on the Color of Ti-Porcelain", Advanced Materials Research, Vols. 105-106, pp. 572-575, 2010
Online since
April 2010
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Price
$32.00
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