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KMID : 0362120060280010009
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Journal of Technologic Dentistry
2006 Volume.28 No. 1 p.9 ~ p.17
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Influence of the Mold Temperature on the Castability of CP Ti
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Jung Jong-Hyun
Ko Eun-Kyoung
Joo Kyu-Ji
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Abstract
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The purpose of this study was to evaluate the titanium castability with a spin typecasting machine(TiCast, Super R, Selec, Osaka. Japan). We tested phosphate bondedinvestment “Rematitan?Plus(Dentaurum, Inc., Pforzheim, Germany)”of mesh grid patternand plate pattern. Four different mold temperatures(room temperature, 200℃, 400℃and600℃) were prepared for the present study. In mesh grid pattern with spruing of φ0.88㎜dimeter, when the mold temperature increased, high percentage of castability was gained.Mold temperature showed a highly significant(p<0.05) correlation on the castability, Inplate pattern, the higher the mold temperature during casting, the greater the adhesivephenomenon between Ti surface and the investment.
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KEYWORD
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the titanium castability, a spin type casting machine, phosphate bondedinvestment, mesh grid pattern and plate pattern
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