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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 175 - 183 (9page)
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초록· 키워드
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Purpose: Observation of Oxide Film Formation and Bonding Strength according to surface treatment of Co-Cr Alloy for porcelain fused to Metal. Methods: metal specimens $0.5mm{\times}25mm{\times}4mm$ in size were made using Co-Cr alloys for porcelain fused to metal crown (Heraenium P, Tae jung Medis). Dental porcelain $0.5mm{\times}25mm{\times}4mm$ in size was sintered on the metal specimens after changing the etching time, sandblasting condition, and heat treatment temperature. Subsequently, the bonding strength was compared by the three-point flexural strength test using a universal testing machine (UTM) to observe the fracture surface and oxidized layers. Results: With regard to the experimental group treated with acid-etching, Specimen 1 treated for 25 minutes (B-3) showed the highest bonding strength, and Specimen 2 treated only with sandblasting showed the most excellent bonding force at 3.5 bar (C-3). With regard to the experimental group treated with sandblasting at 3.5 bar after acid-etching for 25 minutes, Specimen 3 with heat treatment at $980^{\circ}C$ (D-3) showed the highest bonding strength. Conclusion: The specimen which went through both sandblasting and etching, showed an excellent ceramicmetal bond strength.
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등록된 정보가 없습니다.
참고문헌 (11)
참고문헌 신청
Anusavice KJ / 2003 / Phillips’Science of Dental Materials :563~620
Craig RG / 1997 / Restorative dental materials / Mosby-Year Book Inc :409~412
Lautenschagler EP / 1969 / Microprobe analysis of goldporcelain bonding / J Dent Res 48:1206~1209
Kern M / 1994 / Effects of sandblasting and silica-coating procedures on pure titanium / J Dent 22:300~306
M Szantho von Radnoth / 1969 / Metal surface changes during porcelain firing / J Dent Res 48:321~326
Craig RG / 1997 / Restorative dental materials / Mosby-Year Book Inc :409~412
Lautenschagler EP / 1969 / Microprobe analysis of goldporcelain bonding / J Dent Res 48:1206~1209
Kern M / 1994 / Effects of sandblasting and silica-coating procedures on pure titanium / J Dent 22:300~306
M Szantho von Radnoth / 1969 / Metal surface changes during porcelain firing / J Dent Res 48:321~326
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