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http://dx.doi.org/10.14347/kadt.2013.35.2.089

A Study on the Metal-Ceramic Bond Strength of CAD/CAM Metal Disk Alloy and Casting Alloy  

Jung, Hyo-Kyung (Dept. of Dental Technology, Daegu Health College)
Kwak, Dong-Ju (Dept. of Dental Technology, Daegu Health College)
Publication Information
Journal of Technologic Dentistry / v.35, no.2, 2013 , pp. 89-95 More about this Journal
Abstract
Purpose: The purpose of this study was to evaluate bond strength of Metal Disk alloy and casting alloy. Methods: Metal specimens were divided into 4 groups for each alloy. Three point flexural test were used to measure the bond strength of CAD/CAM metal alloy and casting alloy. Statistical analysis was done using the Statistical Package for Social Sciences version 19.0 for Windows. As for the analysis methods, the study used Kruskal-Wallis test. Results: The average bonding strengths of Group 1 to porcelain was $36.7{\pm}9.90$ MPa, Group 2 to porcelain was $37.68{\pm}4.51$ MPa, Group 3 to porcelain was $36.43{\pm}6.57$ MPa, Group 4 to porcelain was $42.88{\pm}6.81$ MPa, Each group was not significantly different. Conclusion: Bond strength of Casting alloy is equal to or higher than bond strength of CAD/CAM Metal Disk alloy. Alloy clinical bond strength is 25 MPa, So CAD/CAM Metal Disk alloy can be used as dental material.
Keywords
CAD/CAM; Metal; Bond strength;
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