J Korean Acad Prosthodont.  2004 Feb;42(1):41-48.

The study on the color stability of resin cement used in all ceramic crown

Affiliations
  • 1Department of dentistry, College of Medicine, Hanyang University.

Abstract

STATEMENT OF PROBLEM: The Cement as well as restoration required esthetics for making natural color restoration. PURPOSE: The purpose of this research is to evaluate color stability of restoration intermediated by resin cement which is used for cementation of all ceramic crown. MATERIAL AND METHOD: After making Empress 2 ingot into the size of 10mm x 10mm x 1mm according to indication, it glazed and made 48 Empress 2 blocks. Three kinds of resin cement(Rely-X, Variolink 2, Choice) having same shade cemented between Empress 2 blocks and Ivory shade tiles and made 48 specimens in the thickness of 30 micrometer and 80 micrometer. After measureing color difference using spectorphotomenter, the result of this study were as follows. RESULTS: The color difference of resin cement used in experiment increased in the order Rely-X, Variolink 2. As the thickness of cement increases, the color difference of all kinds of cement found statistically sifnificant difference but, this result is clinically acceptable. CONCLUSION: More resarch would have to be done in order to decrease the color difference as cement's thickness.

Keyword

Color stability; Resin cement; All ceramic crown

MeSH Terms

Cementation
Ceramics*
Crowns*
Esthetics
Resin Cements*
Ceramics
Resin Cements
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