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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.12
- 수록면
- 49 - 56 (8page)
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초록· 키워드
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Purpose: The effect of accelerated aging on color stability of various dual-cured self-adhesive resin cements were evaluated in this study.
Materials and Methods: Color stability was examined using three different brands of dual-cured self-adhesive resin cements: G-CEM LinkAce (GC America), MaxCem Elite (Kerr), and PermaCem 2.0 (DMG) with the equivalent color shade. Each resin cement was filled with Teflon mold which has 6 mm diameter and 2 mm thickness. Each specimen was light cured for 20 seconds using light emitting diode (LED) light curing unit. In order to evaluate the effect of accelerated aging on color stability, color parameters (Commission Internationale de l"Eclairage, CIE L*, a*, b*) and color differences (ΔE*) were measured at three times: immediately, after 24 hours, and after thermocycling. The L*, a*, b* values were analyzed using Friedman test and ΔE* values on the effect of 24 hours and accelerated aging were analyzed using t-test. These values were compared with the limit value of color difference (ΔE*=3.7) for dental restoration. One-way ANOVA and Scheff’s test (P<0.05) were performed to analyze each ΔE* values between cements at each test period.
Result: There was statistically significant difference in comparison of color specification (L*, a*, b*) values after accelerated aging except L* value of G-CEM LinkAce (P<0.05). After 24 hours, color difference (∆E*) values were ranged from 2.47 to 3.48 and L* values decreased and b* values increased in all types of cement and MaxCem Elite had high color stability (P<0.05). After thermocycling, color change‘s tendency of cement was varied and color difference (∆E*) values were ranged from 0.82 to 2.87 and G-CEM LinkAce had high color stability (P<0.05).
Conclusion: Color stability of dual-cured self-adhesive resin cements after accelerated aging was evaluated and statistically significant color changes occurred within clinically acceptable range.
Materials and Methods: Color stability was examined using three different brands of dual-cured self-adhesive resin cements: G-CEM LinkAce (GC America), MaxCem Elite (Kerr), and PermaCem 2.0 (DMG) with the equivalent color shade. Each resin cement was filled with Teflon mold which has 6 mm diameter and 2 mm thickness. Each specimen was light cured for 20 seconds using light emitting diode (LED) light curing unit. In order to evaluate the effect of accelerated aging on color stability, color parameters (Commission Internationale de l"Eclairage, CIE L*, a*, b*) and color differences (ΔE*) were measured at three times: immediately, after 24 hours, and after thermocycling. The L*, a*, b* values were analyzed using Friedman test and ΔE* values on the effect of 24 hours and accelerated aging were analyzed using t-test. These values were compared with the limit value of color difference (ΔE*=3.7) for dental restoration. One-way ANOVA and Scheff’s test (P<0.05) were performed to analyze each ΔE* values between cements at each test period.
Result: There was statistically significant difference in comparison of color specification (L*, a*, b*) values after accelerated aging except L* value of G-CEM LinkAce (P<0.05). After 24 hours, color difference (∆E*) values were ranged from 2.47 to 3.48 and L* values decreased and b* values increased in all types of cement and MaxCem Elite had high color stability (P<0.05). After thermocycling, color change‘s tendency of cement was varied and color difference (∆E*) values were ranged from 0.82 to 2.87 and G-CEM LinkAce had high color stability (P<0.05).
Conclusion: Color stability of dual-cured self-adhesive resin cements after accelerated aging was evaluated and statistically significant color changes occurred within clinically acceptable range.
목차
Introduction
Materials and Methods
Result
Discussion
Conclusion
References
참고문헌 (34)
참고문헌 신청
[학술지(정기간행물)] - Hekimoğlu C / 2000 / Effect of accelerated aging on the color stability of cemented laminate veneers / Int J Prosthodont 13 : 29 ~ 33
[학술지(정기간행물)] - Berrong JM / 1993 / Color stability of selected dual-cure composite resin cements / J Prosthodont 2 : 24 ~ 27
[학술지(정기간행물)] - Balderamos LP / 1997 / Color accuracy of resin cements and try-in pastes / Int J Prosthodont 10 : 111 ~ 115
[학술지(정기간행물)] - Azer SS / 2011 / Effect of substrate shades on the color of ceramic laminate veneers / J Prosthet Dent 106 : 179 ~ 183
[학술지(정기간행물)] - Rosenstiel SF / 1998 / Dental luting agents: a review of the current literature / J Prosthet Dent 80 : 280 ~ 301
[학술지(정기간행물)] - Berrong JM / 1993 / Color stability of selected dual-cure composite resin cements / J Prosthodont 2 : 24 ~ 27
[학술지(정기간행물)] - Balderamos LP / 1997 / Color accuracy of resin cements and try-in pastes / Int J Prosthodont 10 : 111 ~ 115
[학술지(정기간행물)] - Azer SS / 2011 / Effect of substrate shades on the color of ceramic laminate veneers / J Prosthet Dent 106 : 179 ~ 183
[학술지(정기간행물)] - Rosenstiel SF / 1998 / Dental luting agents: a review of the current literature / J Prosthet Dent 80 : 280 ~ 301
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UCI(KEPA) : I410-ECN-0101-2016-515-002234276