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THE COLOR STABILITY OF PORCELAIN REPAIR COMPOSITE RESINS

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½Å¹Ì¶õ ( Shin Mee-Ran ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
Á¶Çý¿ø ( Cho Hye-Won ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
ÁøÅÂÈ£ ( Jin Tai-Ho ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç

Abstract


The purpose of this study was to investigate the color stability of 3 porcelain repair composite resins, Twenty specimens of each composite resin were made and ten specimens were made and ten specimens were polished at 10 minutes after polymerization, and the others were polished at 48 hours after poiymerization, For 60 days, the color characterisitics were measured by fiber-optic colorimeter (Model Tc-6FT, Tokyo Denshokyu Co.). The obtained results were as follows : 1. The changes of a* value and b* value in composite resin polished at 10min. After polymerization were greater than those of composite resins polished at 48 hrs. after polymerization. 2. The a* values of all composite resins were increased and the b* values were decreased. 3. The L* values were decreased in composite resin manufactured by K & B Co., which were polished at 10min after polymerization, but increased in composite resin manufactured by K & B Co., polished at 48 hrs. after polymerization.

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KCI
KoreaMed