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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
- 2014.9
- 수록면
- 185 - 195 (11page)
- DOI
- 10.14815/kjdm.2014.41.3.185
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초록· 키워드
오류제보하기
The objective of this study was to evaluate the leaching components from the zirconia colored with various coloring liquids and color stability of the colored zirconia after accelerating aging. Commercially avaliable six coloring agents (AQU, BRU, DMA, LAV, RAI and INC) were tested. 3Y-TZP powder were used to prepare the disk-typed pre-sintered zirconia block. After application of coloring agents to pre-sintered zirconia block according to manufacturer’s instruction, final sintering was performed. XRD analysis was done to detect formation of secondary phases and phase transition of zirconia due to the addition of coloring agents. For the chemical stability test, ISO 6872:2008 was adopted and analytical equipments were used. ISO 7491:2000 was adopted for the color stability test. After accelerated aging treatments, color coordinates (CIE L<SUP>*</SUP>a<SUP>*</SUP>b<SUP>*</SUP>) were measured using spectrophotometer.
Effects of coloring liquid on the microstructure of zirconia were not observed using XRD analysis, however, small peak of yittrium (Y) was observed in INC. In CTL and all experimental groups, Fe, Y, Mn and Ni ions were leached. Small amounts of Er, Co, and Cr ions were released from some experimental groups. The test of chemical stability in acetic acid solution did not affect the color stability of the colored zirconia (ΔE=0.06-0.69). After the accelerated aging treatment for 24 hrs, lightness (L<SUP>*</SUP>) and a<SUP>*</SUP> values showed the increasing behavior, but b<SUP>*</SUP> values did not show consistent changes. Color difference (ΔE) of CTL was 0.56, 1.61 for BRU, 1.26 for RAI, 1.16 for INC, 1.01 for DMA, 0.60 for AQU and 0.52 for LAV.
Effects of coloring liquid on the microstructure of zirconia were not observed using XRD analysis, however, small peak of yittrium (Y) was observed in INC. In CTL and all experimental groups, Fe, Y, Mn and Ni ions were leached. Small amounts of Er, Co, and Cr ions were released from some experimental groups. The test of chemical stability in acetic acid solution did not affect the color stability of the colored zirconia (ΔE=0.06-0.69). After the accelerated aging treatment for 24 hrs, lightness (L<SUP>*</SUP>) and a<SUP>*</SUP> values showed the increasing behavior, but b<SUP>*</SUP> values did not show consistent changes. Color difference (ΔE) of CTL was 0.56, 1.61 for BRU, 1.26 for RAI, 1.16 for INC, 1.01 for DMA, 0.60 for AQU and 0.52 for LAV.
목차
ABSTRACT
서론
연구재료 및 방법
연구결과
총괄 및 고안
결론
참고문헌
참고문헌 (34)
참고문헌 신청
1. [학술지(정기간행물)] - Aboushelib MN / 2012 / The influence of pigments on the slow crack growth in dental zirconia / Dent Mater 28 : 410 ~ 415
2. [학술지(정기간행물)] - Aboushelib MN / 2008 / Effect of zirconia type on its bond strength with different veneer ceramics / J Prosthodont 17 : 401 ~ 408
3. [학술지(정기간행물)] - Aktas G / 2013 / Effect of colouring green stage zirconia on the adhesion of veneering ceramics with different thermal expansion coefficients / Int J Oral Sci 5 : 236 ~ 241
4. [학술지(정기간행물)] - Al-Amleh B / 2010 / Clinical trials in zirconia : a systematic review / J Oral Rehabil 37 : 641 ~ 652
5. [단행본] - Calés B. / 1998 / Bioceramics vol 11 / World Scientific Publishing Co. Ltd : 591 ~ 594
2. [학술지(정기간행물)] - Aboushelib MN / 2008 / Effect of zirconia type on its bond strength with different veneer ceramics / J Prosthodont 17 : 401 ~ 408
3. [학술지(정기간행물)] - Aktas G / 2013 / Effect of colouring green stage zirconia on the adhesion of veneering ceramics with different thermal expansion coefficients / Int J Oral Sci 5 : 236 ~ 241
4. [학술지(정기간행물)] - Al-Amleh B / 2010 / Clinical trials in zirconia : a systematic review / J Oral Rehabil 37 : 641 ~ 652
5. [단행본] - Calés B. / 1998 / Bioceramics vol 11 / World Scientific Publishing Co. Ltd : 591 ~ 594
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