Color Stability of Microfilled and Nanohybrid Composite Resins: Effect of Polishing Methods and Immersion Media

김정희; Soo-jin KIM; Ranah KIM; Mi-Yeon KIM; Sun-Ho KIM

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자료유형: 학술저널

저자정보: 김정희 (중앙보훈병원) Soo-jin KIM (Veterans Health Service Medical Center) Ranah KIM (Veterans Health Service Medical Center) Mi-Yeon KIM (Veterans Health Service Medical Center) Sun-Ho KIM (Veterans Health Service Medical Center)

저널정보: 대한통합치과학회 대한통합치과학회지 대한통합치과학회지 제10권 제2호

발행연도: 2021.1

수록면: 55 - 64 (10page)

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To compare color stability of microfilled and nanohybrid composite resins in relation to different immersion solutions and polishing techniques. Two nanohybrid composite resins (Ceram X One Universal, Dentsply Caulk and Charisma Diamond, Heraeus Kulzer) and two microfilled composite resins (Metafil CX, Sun Medical Co. and Gradia direct, GC Corporation) were used to fabricate disc-type resin specimens (6 mm in diameter and 2 mm in height) and were photopolymerized. The specimens were polished using two one-step polishing systems (One Gloss, Shofu Dental Corporation and Enhance, Dentsply Caulk) and were immersed in three solutions (sterile distilled water, Coca-Cola, and Ceylon Tea). Discoloration was observed using a VITA Easyshade V digital spectrophotometer (Model DEASYCHP, VITA Zahnfabrik, Bad Sackingen, Germany) at 1 week and 4 weeks after immersion. Data were analyzed using a threeway repeated-measures ANOVA with a significance level of p<0.05. Tukey’s test was also conducted for post-hoc analysis. ΔE was significantly different depending on the composite resin, polishing technique, and immersion solution (p<0.05). Enhance, in conjunction with polishing paste, had greater discoloration resistance than did One Gloss. The nanohybrid composite resin was more resistant to discoloration than the microfilled composite resin. Color stability was affected by the polishing technique, storage media, and composition of the material.

#Color stability #Immersion #Staining

참고문헌 (27)

참고문헌 신청

Craig R / 2000 / Dental materials properties and manipulation / Mosby :145~156

Villalta P / 2006 / Effects of staining and bleaching on color change of dental composite resins / J Prosthet Dent 95:137~142

Uchida H / 1998 / Color stability of dental composites as a function of shade / J Prosthet Dent 79:372~377

Nasim I / 2010 / Color stability of microfilled, microhybrid and nanocomposite resins-an in vitro study / J Dent 38:e137~e142

Ilie N / 2009 / Investigations on mechanical behaviour of dental composites / Clin Oral Investig 13:427~438

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