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Chinese Journal of Dental Research

Year 2000
Volume 3 , Issue 1

Pages: 31 - 33

Fusion of Low-Fusing Porcelain to Ti-75 Alloy: An Experimental Study

Huiming He, DDS, PhD/Lihui Xu, BDS/Ning Wen, DDS/Zhongyi Wang, BDS/Xinjuan Zheng, MS

Objective: To study the stomatological feasibility of low-fusing porcelain fused to Ti-75 alloy. Methods: Electroprobemicroanalysis (EPMA) and shear test were used to observe interface state and bonding strength of porcelain titanium. Results: Shear bond strengths of low-fusing porcelain with Ti-75 alloy and conventional porcelain each fused to metal (NC-VMK68) were 47.38 7.95 MPa and 48.50 7.60 MPa, respectively. There was no significant difference between the shear bonding strength of low-fusing porcelain with Ti-75 and that of conventional porcelain fused to metal (PFM) (P > 0.05). EPMA showed that Ti-75 alloy and low-fusing porcelain bound tightly, had no fissure, and that low-fusing porcelain had good infiltration to Ti-75. It was shown that Ti spread from Ti-75 basal body into porcelain, and elements such as Si-Sn spread from porcelain to Ti-75. Conclusion: Ti-75 alloy can be used stomatologically, as a porcelain alloy.



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