Ni-Cr과 Co-Cr 합금을 이용한 치과보철물의 부식 특성 및 도재 접합성
Corrosion Characteristics of Ni-Cr and Co-Cr Alloy Used as a Dental Prosthesis and Its Adhesion to Porcelain
2
조회
0
다운로드
0
인용
0
참고문헌
키워드
초록
By using Ni-Cr and Co-Cr alloys, porcelain fused to metal (PFM) samples were prepared to examine theinterface and the surface corrosion behavior. The potentiodynamic polarization analysis showed that thecorrosion current density of Co-Cr alloy (1.61×10-6A/㎠) was three times lower than that of Ni-Cr alloy(4.83×10-6A/㎠) at room temperature. A dental prosthesis consisting of the porcelain fused to Ni-Cr alloyextracted from a patient after approximately four years of usage was examined to assess its resistance tocorrosion. OM and SEM images of the metal part revealed a typical pitting corrosion. As compared toporcelain fused to Ni-Cr alloy having a thick layer (~10 ㎛) of oxide at the interface, a relatively thinoxide layer (less than 5 ㎛) was formed on Co-Cr alloy, indicating that the interface between Co-Cr alloyand porcelain may have a better adhesion strength than the interface between Ni-Cr alloy and porcelain.
Abstract
By using Ni-Cr and Co-Cr alloys, porcelain fused to metal (PFM) samples were prepared to examine theinterface and the surface corrosion behavior. The potentiodynamic polarization analysis showed that thecorrosion current density of Co-Cr alloy (1.61×10-6A/㎠) was three times lower than that of Ni-Cr alloy(4.83×10-6A/㎠) at room temperature. A dental prosthesis consisting of the porcelain fused to Ni-Cr alloyextracted from a patient after approximately four years of usage was examined to assess its resistance tocorrosion. OM and SEM images of the metal part revealed a typical pitting corrosion. As compared toporcelain fused to Ni-Cr alloy having a thick layer (~10 ㎛) of oxide at the interface, a relatively thinoxide layer (less than 5 ㎛) was formed on Co-Cr alloy, indicating that the interface between Co-Cr alloyand porcelain may have a better adhesion strength than the interface between Ni-Cr alloy and porcelain.
참고문헌 (24)
- S. S. Azer, , J. Prosthet Dent, 96, pp.379~ (2006)
- J. Pisani-Proenca, , J. Prosthet Dent, 94, pp.412~ (2006)
- 안재석, "도재용착용 Ni-Cr 합금과 Co-Cr 합금의 열처리에 따른 전단결합강도 비교", 대한치과기공학회지, 33(3), pp.185~192 (2011), 대한치과기공학회
- K-J. Kim, , Ph. D, pp.2013
- R. M. Joias, , J. Prosthet. Dent, 99, pp.55~ (2008)
- J. W. J. Silva, , Mater. Sci. and Appl, 2, pp.42~ (2011)
- M. Kuschner, , Environ Health Perspect, 40, pp.101~ (1981)
- D. L. Tsalve, , Environ Health Perspect, 96 (1983)
- R. M. De Melo, , J. Prosthet Dent, 93, pp.64~ (2005)
- J. C. Wataha, , J. Prosthet. Dent, 83, pp.223~ (2000)
- J. C. Wataha, , J. Biomed. Mater. Res, 58, pp.537~ (2001)
- K. Turan, , Materials and Design, 30, pp.445~ (2009)
- M. Yamamoto, "Metal-Ceramics Principle and methods of Makoto-Yamamoto", pp.110~483 (1985), Quintessence Publishing Co
- T. Papadopoulos, , Eur. J. Prosthodont Restor. Dent, 7, pp.15~ (1999)
- W. F. Smith, "Structure and Properties of Engineering Alloys" (1993), McGraw-Hill
- S-H. Jung, , Ms, pp.2014
- Ja. M. Kolotyrkin, , Corrosion, 19, pp.261~ (1963)
- J. Horvath, , J. Electrochem. Soc, 115, pp.791~ (1968)
- C. M. Wylie, , Dent. Mater, 23, pp.714~ (2007)
- 전순혁, "Influence of Annealing Temperature on Microstructure and Pitting Corrosion Behavior of the 27Cr-7Ni Hyper Duplex Stainless Steel", CORROSION SCIENCE AND TECHNOLOGY, 13(2), pp.48~55 (2014), 한국부식방식학회[DOI]
- J. R. Galvele, , J. Electrochem. Soc, 123, pp.464~ (1976)
- "Analysis of Cracked Impeller Blade"[URL]
- A. Eliasson, , J. Prosthet Dent, 98, pp.6~ (2007)
- H-J. Kim, , Ms, pp.2010