Abstract
Titanium and titanium alloys are difficult to machine. This problem arises when milling, using dental CAD/CAM systems. In a previous study, an experimental binary titanium alloy with 20 mass% Ag showed good grindability. In this study, the fracture strength of porcelain fused to a Ti-20 mass% Ag alloy crown made using a CAD/CAM (GN-1, GC, Japan) system is investigated. As controls, similar pure titanium (JIS grade II) samples made using cast and using the CAD/CAM system were also examined. The crowns were made assuming a maxillary left central tooth. The fracture strengths were statistically analyzed using one-way ANOVA followed by Tukey pairwise tests. There was no significant difference in the fracture strength of porcelain fused to metal crowns between the Ti-20 mass% Ag alloy frame crowns and the pure titanium frame crowns.
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References
Kikuchi M, Okuno O (2004) Machinability evaluation of titanium alloys. Dent Mater J 23:37–45
Kikuchi M, Takahashi M, Okuno O (2008) Machinability of experimental Ti-Ag alloys. Dent Mater J 27:216–220
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Inagaki, R., Yoda, M., Kikuchi, M., Kimura, K., Okuno, O. (2010). Strength of porcelain fused to Ti-20% Ag alloy made by CAD/CAM. In: Sasano, T., Suzuki, O. (eds) Interface Oral Health Science 2009. Springer, Tokyo. https://doi.org/10.1007/978-4-431-99644-6_90
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DOI: https://doi.org/10.1007/978-4-431-99644-6_90
Publisher Name: Springer, Tokyo
Print ISBN: 978-4-431-99643-9
Online ISBN: 978-4-431-99644-6
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