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실험논문(원저논문)

치과 보철물에 사용되는 지르코니아 코어의 전단결합강도에 관한 연구

원문정보

Study about shear bond strength of zirconia core used in dental prosthesis

심지영, 김재홍, 김웅철, 김혜영, 김지환

피인용수 : 0(자료제공 : 네이버학술정보)

초록

영어

Purpose: This study aimed to investigate the shear bond strength by manufacturing the veneering porcelain on the IPS e.max ZirCAD zirconia core, using the layering technique and heat-pressing technique, and to evaluate the clinical stability by comparing to the conventional metal ceramic system. Methods: The Schmitz-Schulmeyer test method was used to evaluate the core-veneer shear bond strength of zirconia core ceramic(IPS e.max ZirCAD ) and their manufacture recommended two veneering ceramic systems(IPS e.max ceram , IPS e.max ZirPress ). A metal ceramic system(Bellabond plus , VITA VM13 )was used as a control group for the two all ceramic system test groups. The maximum loading and shear bond strength was measured. The average shear strength( ) was analyzed with the one-way ANOVA and the Tukey’s test( =.05). The fracture specimens were examined using Microscope to determine the failure pattern. Results: The mean shear bond strengths(SD) in MPa were MBSB control 43.62(2.13); ZBSB 18.65(1.76); ZPSB 18.89(1.54). The shear strengths of the zirconia cores were not significantly different(P>.05). Microscope examination showed that zirconia specimens presented mixed failure, and base metal alloy specimens showed adhesive failure. Conclusion: There was no siginificant different between the layering technique and the heat pressing technique in the veneering methods on the zirconia cores. None of the zirconia core and veneering ceramics could attain the high bond strength values of the metal ceramic

목차

[Abstract]
 Ⅰ. 서론
 Ⅱ. 연구 방법
  1. 실험 재료 및 시편 제작
  2. 전단결합강도 측정
  3. 파절면 관찰
  4. 통계분석
 Ⅲ. 결과
  1. 전단결합강도
  2. 파절 양상
 Ⅳ. 고찰
 Ⅴ. 결론
 참고문헌

저자정보

  • 심지영 Ji-Young Sim. 고려대학교 대학원 보건과학과 치의기공전공
  • 김재홍 Jae-Hong Kim. 고려대학교 대학원 보건과학과 치의기공전공
  • 김웅철 Woong-Chul Kim. 고려대학교 대학원 보건과학과 치의기공전공
  • 김혜영 Hae-Young Kim. 고려대학교 대학원 보건과학과 치의기공전공
  • 김지환 Ji-Hwan Kim. 고려대학교 대학원 보건과학과 치의기공전공

참고문헌

자료제공 : 네이버학술정보

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