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수종의 Hybrid CAD/CAM 수복재와 수리용 복합레진 간의 전단결합강도 평가

Other Titles
 The evaluation of the shear bond strength between various Hybrid CAD/CAM restorative materials and repairing composite resins 
 정창섭  ;  배지명  ;  김정미  ;  박영범  ;  오승한 
 Korean Journal of Dental Materials (대한치과재료학회지), Vol.45(1) : 45-56, 2018 
Journal Title
 Korean Journal of Dental Materials (대한치과재료학회지) 
Issue Date
Hybrid CAD/CAM restorative materials ; Repairing Resin ; Zirconia ; Shear bond strength ; Intra-oral repair
The purpose of this study was to evaluate the shear bond strengths between various hybrid computer-aided design (CAD)/computer-aided manufacturing (CAM) restorative materials and repairing resin. Two resin network-based hybrid (Lava Ultimate and Polyglass), one ceramic framework-based hybrid (Enamic), and one zirconia (Zenotec Zr bridge) CAD/CAM restorative materials were used in this study. The shear bond strength test and failure modes of four experimental groups designated LUS (Lava Ultimate), ENA (Enamic), PGB (Polyglass), and ZBR (zirconia control group) were characterized in this study. The hybrid CAD/CAM restorative materials showed stronger shear bond strengths in the sequence of PGB, LUS, and ENA (P<0.05). The shear bond strengths of PGB and LUS groups showed significantly higher than those of ZBR (P<0.05), while ENA did not show any significant difference from ZBR (P<0.05). The PEG and LUS groups mostly exhibited cohesive failure, but the ENA and ZBR groups predominantly showed adhesive failure. Therefore, resin network-based hybrid CAD/CAM restorative materials such as Lava Ultimate and Polyglass should be more useful for intra-oral repairs.
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Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Prosthodontics (보철과학교실) > 1. Journal Papers
Yonsei Authors
Park, Young Bum(박영범)
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