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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제5권 제3호
- 발행연도
- 2013.1
- 수록면
- 296 - 304 (9page)
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PURPOSE. The aim of this study was to evaluate the effect of polishing and glazing on the color and spectral distribution of monolithic zirconia. MATERIALS AND METHODS. Forty-five monolithic zirconia specimens (16.3 mm × 16.4 mm × 2.0 mm) were fabricated and divided into 5 groups according to the number of A2-coloring liquid applications (Group I to V). Each group was divided into 3 subgroups according to the method of surface treatments (n=3): N: no treatment; P: polishing; G: glazing. Color and spectral distribution of five different areas of each specimen were measured according to CIELAB color space in the reflectance mode relative to the standard illuminant D65 on a reflection spectrophotometer. Data were analyzed using one-way ANOVA followed by Tukey’ HSD test, Pearson correlation and regression analysis (α=.05). RESULTS. There was a significant difference in CIE L* between Subgroup N and P, and in CIE b* between Subgroup P and G in each group. Spectral reflectance generally decreased in Subgroup P and G in comparison with Subgroup N. Color differences between Subgroup P and G were within the perceptibility threshold (ΔE*ab< 3.7) in most groups. Highly significant correlation was found between CIE b*and each subgroups as the number of coloring liquid applications increased (R2>0.88, P<.001). CONCLUSION. A perceptible color difference can be detected after polishing of monolithic zirconia. Polishing decreases the lightness, and glazing also decreases the lightness, but increases the yellowness of monolithic zirconia.
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참고문헌 (25)
참고문헌 신청
Aboushelib MN / 2006 / Microtensile bond strength of different components of core veneered all-ceramic restorations. Part II: Zirconia veneering ceramics / Dent Mater 22 : 85
Aboushelib MN / 2008 / Microtensile bond strength of different components of core veneered all-ceramic restorations. Part 3: double veneer technique / J Prosthodont 17 : 9 ~
Al-Amleh B / 2010 / Clinical trials in zirconia: a systematic review / J Oral Rehabil 37 : 641 ~ 652
Baldissara P / 2010 / Translucency of zirconia copings made with different CAD/CAM systems / J Prosthet Dent 104 : 6 ~ 12
Beuer F / 2009 / High-strength CAD/CAM-fabricated veneering material sintered to zirconia copings-a new fabrication mode for all-ceramic restorations / Dent Mater 25 : 121 ~
Aboushelib MN / 2008 / Microtensile bond strength of different components of core veneered all-ceramic restorations. Part 3: double veneer technique / J Prosthodont 17 : 9 ~
Al-Amleh B / 2010 / Clinical trials in zirconia: a systematic review / J Oral Rehabil 37 : 641 ~ 652
Baldissara P / 2010 / Translucency of zirconia copings made with different CAD/CAM systems / J Prosthet Dent 104 : 6 ~ 12
Beuer F / 2009 / High-strength CAD/CAM-fabricated veneering material sintered to zirconia copings-a new fabrication mode for all-ceramic restorations / Dent Mater 25 : 121 ~
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