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Lee JB
Publications
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Research Article
A Comparative Study On The Marginal Fit Of Zirconia Cores Manufactured By CAD/CAM And Copy Milling Methods
Author(s): Park JH,Kwon TK,Yang JH,Han JS,Lee JB,Kim SH,Yeo IS* Park JH,Kwon TK,Yang JH,Han JS,Lee JB,Kim SH,Yeo IS*
Purpose: The marginal fit of zirconia cores that were produced by CAD/CAM and by copy milling systems was compared and analyzed to confirm the significance of the variation in dental technicians’ skill between the two systems. Materials and Methods: Using dental resin teeth and individual trays, 30 plaster casts were produced. Fifteen casts were assigned to be used with five different zirconia core manufacturing dental laboratories using the same CAD/ CAM system, which were designated as the CC group. The remaining 15 were assigned to be used with five different zirconia core manufacturing dental laboratories using also the same copy milling system and were designated as the CM group. The zirconia cores were fabricated and were cemented onto the casts. The vertical margin.. View More»
DOI: 10.4172/2161-1122.1000163