다용도 프라이머로 전처리한 지르코니아에 대한 자가접착 레진 시멘트의 미세 전단 결합 강도

다국어 초록 (Multilingual Abstract)

The objective of the study was to evaluate conventional and self-adhesive resin cements bonding to zirconia ceramic that were sandblasted and primed with universal primer. 8 sintered zirconia ceramic disks (Ceramill Zolid; Amann Girrbach, Austria) were air-abraded with 110 ㎛ Al₂O₃ at 2.5 bar pressure for 15s at a distance of 10 ㎜ and ultrasonic cleaned in 95% alcohol for 3min. All the specimens were applied by universal primer 60s and dried. The primed specimens were divided into 4 groups (n=10) according to the resin cement used: RelyX Unicem, Multilink Speed, MaxCem Elite) Panavia F2.0. The resin cement cylinders were stored in distilled water at 37℃ for 24h. Microshear bond strength (MSBS) test was measured with a universal testing machine. The means and standard deviations of microshear bond strength for RelyX Unicem, Multilink Speed, MaxCem Elite, Panavia F2.0 were 18.57 (4.80), 8.21 (4.95), 4.59 (3.14), 4.61 (2.80) MFa, respectively. Statistical analysis revealed that the MSBS of RelyX Unicem, Multilink Speed were significantly higher than MaxCem Elite, Panavia F2.0 (p＜0.05). When self-adhesive resin cement bond to zirconia, universal primer plays a role of improving the bond strength to zirconia. It is recommended to use RelyX Unicem, Multilink Speed bond to zirconia which is primed with universal primer.

참고문헌 (Reference)

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