레진 시멘트와 상아질접착제를 사용한 콤포지트 레진 코아의 전단결합강도에 관한 연구
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Abstract
Purpose : The purpose of this study was aimed to compare the shear bond strength on dentin of three dentin bonding agents and two resin cements used in conjunction with self-cured composite resin core material. Material and method : Control group and six experimental groups were divided for this study. Control group was designated as specimens bonded with Tenure A&B.. Experimental groups were as follows: PB-BL group : specimens bonded with Prime&Bond NT., BondLink. SB-BL group : specimens bonded with SingleBond., BondLink. PB group : specimens bonded with Prime&Bond NT. SB group : specimens bonded with SingleBond. PF group : specimens bonded with Panavia-F. BI group : specimens bonded with BistiteⅡ. All specimens were stored in 37℃ distilled water for 24 hours, followed by the shear bond strength was tested by universal testing machine. The data was analysed statistically by Mann-Whitney test. Results : 1. For Prime&Bond NT. and SingleBond., the shear bond strength was 0.24 MPa and 7.19 MPa each by each, while Tenure A&B. group control was measured at 13.93 MPa (p<0.05). Especially for Prime&Bond NT., it did not get conjunction with dentin. 2. For Prime&Bond NT. and SingleBond. using BondLink., there was no significant difference as a result of 11.73 MPa and 14.00 MPa each by each (p<0.05). 3. For Panavia-F. and BistiteⅡ., they showed the highest shear bond strength as measured by 18.24 MPa and 16.09 MPa each(p<0.05).
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