원문정보
The Influence of Surface Treatment and Opaque Application Methods on the Bond Strength of PFM Restorations
초록
영어
Purpose: This study was investigated the bonding strength of two kinds of Ni-Cr alloy with respect to the condition of surface treatment. Methods: The surface treatment was performed on the two kinds of Ni-Cr alloy (B alloy and R alloy) specimens, which were sandblasted with 50 , 110 , and 250 aluminium oxide and were treated with opaque application (paste and wash opaque). The roughness on the surfaces of the specimens was observed. The metal-ceramic interfaces were analyzed with EPMA in order to ionic diffusion, and the shear test was performed. Results: The BA250 specimen, which has higher surface roughness, showed the highest bonding strength in B specimens. In R specimens, the bonding strength of RA110 specimen was the highest. Conclusion: B specimen formed a mechanical bond between metal-ceramic interfaces; however, in the case of R specimen, a chemical bond was formed between that interfaces. There was no significant statistical difference between the bonding strengths of two types of specimens (p
목차
Ⅰ. 서론
Ⅱ. 연구 방법
1. 실험 재료
2. 실험 방법
Ⅲ. 결과
1. 표면 평균 조도
2. 금속-도재 계면특성 관찰
3. 전단결합강도
4. 파절면 분석
Ⅳ. 고찰
Ⅴ. 결론
참고문헌