- 지르코니아와 포세린의 전단결합강도
- ㆍ 저자명
- 김사학,Kim. Sa-Hak
- ㆍ 간행물명
- 대한치과기공학회지
- ㆍ 권/호정보
- 2011년|33권 1호|pp.1-6 (6 pages)
- ㆍ 발행정보
- 대한치과기공학회
- ㆍ 파일정보
- 정기간행물| PDF텍스트
- ㆍ 주제분야
- 기타
Purpose: To examine the shear bond strengths of zirconia and veneering ceramic according to their surface processing. Methods: The test samples were divided into three groups: one without zirconia surface processing, one sandblasted, and one sandblasted then 3% etched. Then veneering ceramic was fired on all test samples, and their shear bond strengths were measured. Results: The test samples of the control group (Z1) showed the lowest shear bond strengths of $21.82{pm}1.02$ MPa. The shear bond strengths of Z2 and Z3 ($28.25{pm}0.72$ and $26.23{pm}0.82$ MPa, respectively) were relatively higher than those of the control group. The fracture surface of the control group showed adhesive fractures while the test groups had relatively large numbers of cohesive fractures. Conclusion: The shear bond strength was high in the test groups with surface processing while the fracture surfaces showed compound fractures of adhesive and cohesive fractures.