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자료유형
학술저널
저자정보
김아진 (서라벌대학교) 박다령 (원광대학교) 오승한 (원광대학교) 배지명 (원광대학교)
저널정보
대한치과재료학회 대한치과재료학회지 대한치과재료학회지 제42권 제4호
발행연도
2015.12
수록면
365 - 374 (10page)
DOI
10.14815/kjdm.2015.42.4.365

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The purpose of this study was to evaluate the shear bond strengths of self-adhesive resin cements that was applied similar to clinical condition between bovine dentin and four types of adherend. The self-adhesive resin cements, which were used in this study, included U-Cem Premium (U-Cem, Vericom), Rely X Unicem II Automix (Rely X, 3M ESPE), Maxcem Elite (Maxcem: Kerr) and Clearfil SA luting Cement (Clearfil, Kuraray). Four types of adherends, which were used in the research, included composite resin block for CAD-CAM (Polyglass Blank, Vericom), base metal (Vera Bond 2V, Albadent), zirconia (Mazic zir, Vericom) and lithium disilicate (IPS E.max, Ivoclar/Vivadent). The block of adherend was made with breadth 3 mm × length 3 mm × height 3 mm. It adhered adherend to bovine dentin, repeated photopolymerization twice by 20 seconds per surface in the status of applying the load in 5 N, added 30minutes to the holding time following the polymerization instructed by a maker, and then kept it in 37°C dry oven. The adhered specimen was kept for 24 hours in 37°C distilled water until before the experiment. The shear bond strength was measured with 0.75 mm/min cross-head speed by using a universal testing machine(Z020, Zwick, Ulm, Germany). The blade of the used jig was a straight line. The bond strength with resin adherend was the highest in Rely X. U-cem and Clearfil were significantly higher than Maxem.(p<0.05). As for the bond strength with zirconia, Rely X and U-Cem were significantly higher than other self-adhesive resin cements(p<0.05). In terms of the bond strength with metal and lithium disilicate, Rely X, U-Cem, Clearfil were significantly higher than Maxcem(p<0.05). Hence, Rely X is recommended to the adhesion with the composite resin adherend. Rely X and U-Cem are recommended to the adhesion of zirconia. Maxem, which shows the lowest bond strength in all adherends, needs to be paid a great attention given being used in a clinical trial.

목차

Abstract
Ⅰ. INTRODUCTION
Ⅱ. MATERIALS AND METHODS
Ⅲ. RESULTS
Ⅳ. DISCUSSION
Ⅴ. CONCLUSION
Ⅵ. REFERENCES

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UCI(KEPA) : I410-ECN-0101-2016-515-002251302