총의치와 국소의치 금속의치상용 코발트-크롬 합금과 금속소부도재관용 코발트-크롬 합금의 부식저항성 평가
Corrosion Resistance Evaluation in the Co-Cr Alloys for the Full and Removable Partial Denture Metal Frameworks and the Porcelain-fused-to-metal Crown
박수철, 최성미, 강지훈,
소속 상세정보
박수철 ( Park Soo-Chul ) - 김천대학교 치기공과
최성미 ( Choi Sung-Mi ) - 대구보건대학 치위생과
강지훈 ( Kang Ji-Hun ) - 경운대학교 안경광학과
KMID : 0362120120340030237
Abstract
Purpose: This study was conducted to evaluate the corrosion resistance of metal ions of alloys and use the results as the dental health data. These were performed by examining the corrosion levels of Co-Cr alloys for the full and
removable partial denture metal frameworks and porcelain-fused-to-metal crown, among the dental casting nonprecious
alloys.
Methods: The alloy specimens (N = 10) were manufactured in 15 10 1.2 and stored in two types of corrosive solutions at 37 for seven days. The metal ions were quantitatively analyzed using the Inductively Coupled Plasma-Atomic Emission Spectrometer.
Results: Of the three Co-Cr alloys, the Co ion concentration of the porcelain-fused-to-metal alloy was 1.512 , which indicated the highest metal ion dissolution. The metal corrosion was higher in the more acidic pH 2.2 solution compared with the pH 4.4 solution. In all three Co-Cr alloys, Co ion dissolution was predominant in the two corrosive solutions.
Conclusion: The corrosion resistance of the three Co-Cr alloys was high, indicating a good biocompatibility.
키워드
denture metal frameworks; porcelain-fused-to-metal; Co-Cr alloy; corrosion
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