도재 전장 금관용 비귀금속 합금의 결합강도에 관한 연구
A study on the Bond Strength of Non-Precious Alloys Used for the Porcelain Fused to Metal Crown
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Abstract
ABSRACT A Study on the Bond Strength of Non-Precious Alloys used for the Porcelain Fused to Metal Crown Cheol-Man Kim, Jong-Hyuk Lee, In-Ho Cho Department of Prosthodontics Graduate School Dankook University Although porcelain fused to metal crowns made from non-precious metal have good mechanical properties, they also have disadvantages such as the poor biological acceptability and the low corrosional resistance. Titanium is used as the alternative metal for porcelain fused to metal crowns, in spite of difficulties in casting. For that reason non-precious alloy including titanium which is easy to cast is currently used. This study evaluated the bond strength between non-precious alloy including titanium and Ni-Cr alloy. TiliteV as non-precious alloy including titanium, RexiliumV as Ni-Cr alloy and Omega900 and Vintage(Regular) as porcelain powders were used. The results were as follows. 1. In comparison with the kind of alloy, the bond strength of TiliteV was lower than that of RexiliumV. There was no significant difference between two groups. 2. In comparison with the kind of porcelain powder, the bond strength of Omega900 was higher than that of Vintage(Regular) in TiliteV. There was significant difference between two groups(p < 0.05).
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