- SPECTROPHOTOMETRIC ANALYSIS OF THE EFFECT OF TOOTHBRUSHING ON EXTERNALLY STAINED IPS EMPRESS PORCELAIN
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Shin WJ, Joen YS, Han DH
- KMID: 2136380
- J Korean Acad Prosthodont.
- 1997 Jun;35(2):344-356.
The purpose of this study was to evaluate the long term tooth-brushing effect on the color change of specially treated IPS Empress porcelain surface. Staining technique with blue stain and liquid... -
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