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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제12권 제3호
- 발행연도
- 2020.1
- 수록면
- 150 - 156 (7page)
이용수
초록· 키워드
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PURPOSE. The aim of this study was to evaluate the effect of different surface finishing processes on the color stabilities of lithium disilicate glass-ceramics, zirconia-reinforced lithium silicate ceramics, and resin nanoceramics after artificial ageing. MATERIALS AND METHODS. 216 samples were prepared from 3 different CAD/CAM materials (LAVA Ultimate, IPS e.max CAD, VITA Suprinity) with A1 HT color at a size of 14 × 12 mm and a thickness of 0.5 ± 0.05 mm. Color measurements of the samples were performed with a spectrophotometer using color parameters and CIE Lab color system on a gray backing between baseline color and after 5000 cycles of artificial ageing in 4 stages (i.e. the first measurement before the treatment, the second measurement after polishing, the third measurement after cement application, and the fourth measurement after artificial ageing). The results were evaluated using the Variance analysis and Fisher’s LSD test. RESULTS. Resin nanoceramics (LU) exhibited higher color change values than zirconia-reinforced lithium silicate (VS) and lithium disilicate (EC) ceramics after artificial ageing. Manual polishing and glazing resulted in similar color change for LU and VS (P>.05). In the EC group, glazing provided statistically different results as compared to the manual polishing and control groups (P<.05). Among the ceramic groups, color change values of the subgroup, which was treated by glazing, of the zirconia-reinforced lithium silicate (VS) and lithium disilicate (EC) samples were below the clinically acceptable level (ΔE < 3.5). CONCLUSION. The lowest color change for all stages was observed in Vita Suprinity.
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참고문헌 (30)
참고문헌 신청
Fasbinder DJ / 2016 / Surface evaluation of polishing techniques for new resilient CAD/CAM restorative materials / J Esthet Restor Dent 28:56~66
Kanat-Ertürk B / 2020 / Color stability of CAD/CAM ceramics prepared with different surface finishing procedures / J Prosthodont 29:166~172
Akar GC / 2014 / Effects of surface-finishing protocols on the roughness, color change, and translucency of different ceramic systems / J Prosthet Dent 112:314~321
Barizon KT / 2014 / Ceramic materials for porcelain veneers:part II. Effect of material, shade, and thickness on translucency / J Prosthet Dent 112:864~870
Kilinc H / 2018 / Optical behaviors of esthetic CAD-CAM restorations after different surface finishing and polishing procedures and UV aging : An in vitro study / J Prosthet Dent 120:107~113
Kanat-Ertürk B / 2020 / Color stability of CAD/CAM ceramics prepared with different surface finishing procedures / J Prosthodont 29:166~172
Akar GC / 2014 / Effects of surface-finishing protocols on the roughness, color change, and translucency of different ceramic systems / J Prosthet Dent 112:314~321
Barizon KT / 2014 / Ceramic materials for porcelain veneers:part II. Effect of material, shade, and thickness on translucency / J Prosthet Dent 112:864~870
Kilinc H / 2018 / Optical behaviors of esthetic CAD-CAM restorations after different surface finishing and polishing procedures and UV aging : An in vitro study / J Prosthet Dent 120:107~113
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