대한치과기공학회지 (Journal of Technologic Dentistry)

  • 제37권4호
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  • Pages.199-203
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  • 2015
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  • 1229-3954(pISSN)
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  • 2288-5218(eISSN)
대한치과기공학회 (Korean Academy of Dental Technology)
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도재소성 시 냉각속도가 전부도재관의 색조에 미치는 영향

Effect of Shade on All Ceramic Restoration based Zirconia according to Cooling rate on Firing

  • 전진훈 (고려대학교 대학원 보건과학과 치의기공전공) ;
  • 민병국 (동남보건대학교 치기공과) ;
  • 황재선 (동남보건대학교 치기공과) ;
  • 김웅철 (고려대학교 대학원 보건과학과 치의기공전공)
  • Jeon, Jin-Hun (Department of Dental Laboratory Science and Engineering, College of Health Science, Korea University) ;
  • Min, Byung-Kuk (Department of Dental Technology, Dongnam Health University) ;
  • Hwang, Jae-Sun (Department of Dental Technology, Dongnam Health University) ;
  • Kim, Woong-Chul (Department of Dental Laboratory Science and Engineering, College of Health Science, Korea University)
  • 투고 : 2015.09.07
  • 심사 : 2015.12.09
  • 발행 : 2015.12.30
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초록

Purpose: The purpose of this in vitro study was to evaluation the effect of shade on all ceramic restoration based zirconia according to cooling rate on Firing. Methods: 10 specimens applied to the dentin porcelain were made on the zirconia. After 5 specimens of the first group were burned in the furnace, these were put out rapidly. And after 5 specimens of the second group were burned in the furnace, these were put out slowly later 15 min. All specimens were measured $L^*$, $a^*$, $b^*$ using spectrophotometer, there were calculated 10 mean(SD) of descriptive statistics with SPSS program. These data were used for ${\Delta}E^*$ with color difference equation. Independent t tests were performed between 2 groups. Results: $L^*$, $a^*$, $b^*$ of 2 groups was statistically significant respectively (p<0.001), ${\Delta}E^*$ was 4.55 value. Conclusion: This study showed effect of shade on all ceramic restoration based zirconia according to cooling rate on Firing.

키워드

참고문헌

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