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논문검색

Original Article

샌드블라스팅 처리와 라이너가 지르코니아와 전장도재의 전단결합 강도에 미치는 영향

원문정보

Effect of sandblasting and liner on shear bond strength of veneering ceramic to zirconia

김기백, 김재홍

피인용수 : 0(자료제공 : 네이버학술정보)

초록

영어

Purpose: This study aimed to compare the shear bond strength between zirconia cores and veneer ceramics as per the sand blasting and liner treatments. Methods: The following 4 groups of zirconia-veneering ceramic specimens were prepared: (1) Group I, untreated; (2) Group II, with 110 μm aluminium oxide (Al2O3) sandblasting; (3) Group III, with liner (IPS e.max ZirLiner; Ivoclar Vivadent); and (4) Group IV, with 110 μm Al2O3 sand blasting and liner. Surface roughness was measured for all the prepared specimens, and the surface morphology was observed using a scanning electron microscope. All the samples (n=40) were fixed with measuring jigs, and shear bond strengths were obtained using a universal testing machine with a crosshead speed of 0.5 mm/min. The shear bond strength data were analyzed using one-way analysis of variance and t-test. The post hoc comparison was performed using the Tukey’s test (α=0.05). Results: A significant difference in the surface roughness was observed between the specimens of groups I and II (p<0.05). Surface treatment with liner and sandblasting showed higher shear bond strength between zirconia core and veneering ceramic (p<0.05). Conclusion: The sand blasting and liner treatment increased the shear bond strength between zirconia core and veneering ceramic.

목차

Abstract
INTRODUCTION
MATERIALS AND METHODS
1. 실험 재료
2. 시편 제작
3. 표면 처리
4. 표면 형상 및 거칠기 평가
5. 전단결합강도 측정 및 파절면 관찰
6. 통계분석
RESULTS
1. 물리적 표면처리에 따른 표면거칠기
2. 전단결합강도
3. 파절면 관찰
DISCUSSION
CONCLUSIONS
CONFLICT OF INTEREST
ORCID
REFERENCES

저자정보

  • 김기백 Ki-Baek Kim. 대전보건대학교 치기공학과
  • 김재홍 Jae-Hong Kim. 부산가톨릭대학교 보건과학대학 치기공학과

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