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논문 기본 정보

자료유형
학술저널
저자정보
나종찬 (서울대학교) 허수복 (서울대학교) 최재윤 (서울대학교) 이상훈 (서울대학교) 양형철 (서울대학교) 임범순 (서울대학교)
저널정보
대한치과재료학회 대한치과재료학회지 치과기재학회지 제37권 제1호
발행연도
2010.3
수록면
9 - 20 (12page)

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The purpose of this study was to evaluate the influence of surface characteristics and different resin cements on the shear bond strength of dental zirconia ceramics. Three zirconia ceramics (Cercon Base, Lava, ZirAce) were tested. The specimens were equally divided into four groups according to the surface treatment (mirror polished, CTL; ground with #80 diamond wheels, GD; sandblasted, SD; Rocatec treated, RC). After surface treatment, surface roughness, contact angle, and shear bond strength with four resin cements (Single bond, SB; Panavia F 2.0, PF; Clearfil SE Bond, CE; Superbond C&B, SU) were measured. Surface treatments did not cause significant differences in surface roughness (p>0.05). There was no significant different in contact angle between CTL and GD group (p>0.05), however, contact angles were significantly decreased in SD and RC groups. The total surface energy of GD and SD groups was significantly increased. RC group showed the highest surface energy and there were no significant differences in zirconia ceramics. The shear bond strength was significantly increased in SB, PF and CE resin cement groups after surface treatments (p<0.05). SD and RC groups showed higher shear bond strength than CTL. In SU groups, CTL showed the highest shear bond strength, there were not significantly differences with surface treatments in shear bond strength (p>0.05). There were very low correlations between surface roughness of zirconia and shear bond strength. Correlations between contact angle of zirconia and shear bond strength were different with application of different resin cement. Correlation was high in the order of SU, CE, SB and PF resin cements

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UCI(KEPA) : I410-ECN-0101-2015-510-001110905