Lubovich R P, Goodkind R J
J Prosthet Dent. 1977 Mar;37(3):288-99. doi: 10.1016/0022-3913(77)90071-3.
One-hundred cylindrical pull-through ceramic-metal test specimens were subjected to shear loading forces. Two porcelain systems were treated in association with five ceramic alloys--one precious, one semiprecious, and three nonprecious alloys. 1. There was no significant difference in bond strength between Ceramco and Vita porcelains. 2. The various alloys tested demonstrated significantly different bond strengths. 3. Differential statistical tests suggested that nonprecious alloys performed better with Ceramco porcelain than with Vita porcelain. 4. The bond strength of Ceramco porcelain fused to nonprecious alloy N-C2 was significantly greater than that of Ceramic and traditional gold-based alloys. 5. Nonprecious alloy N-C1 produced significantly less bond strength than the traditional gold-based alloys. 6. Semiprecious alloy W produced high bond strengths with both Ceramco and Vita porcelains. 7. The cylindrical pull-through test was a reliable, reproducible method of testing ceramic-metal bond shear strength. 8. The surface roughness appears to be the one common factor in nonprecious alloys that relates to large differences in bond strength. Additional tests must be made to verify this hypothesis.
一百个圆柱形拉拔式陶瓷-金属测试样本承受了剪切载荷力。两种瓷体系与五种陶瓷合金联合处理——一种贵金属合金、一种半贵金属合金和三种非贵金属合金。1. Ceramco瓷和Vita瓷之间的结合强度没有显著差异。2. 所测试的各种合金表现出显著不同的结合强度。3. 差异统计测试表明，非贵金属合金与Ceramco瓷结合时比与Vita瓷结合时表现更好。4. Ceramco瓷与非贵金属合金N-C2熔合后的结合强度明显大于Ceramic合金和传统金基合金。5. 非贵金属合金N-C1产生的结合强度明显低于传统金基合金。6. 半贵金属合金W与Ceramco瓷和Vita瓷都产生了较高的结合强度。7. 圆柱形拉拔测试是一种可靠、可重复的测试陶瓷-金属结合剪切强度的方法。8. 表面粗糙度似乎是非贵金属合金中与结合强度的巨大差异相关的一个共同因素。必须进行额外的测试来验证这一假设。
