지르코니아의 다양한 표면처리방법에 따른 레진시멘트와 전단결합강도 비교 연구
Comparative Study of Shear Bond Strength of Resin Cements and Zirconia Surfaces using Various Pre-treatment Method
조성찬, 함미현, 김원호, 이명현, 오남식, 김효정,
소속 상세정보
조성찬 ( Cho Sung-Chan ) - 인하대학교 의과대학 치과학교실
함미현 ( Ham Mi-Hyoun ) - 인하대학교 의과대학 치과학교실
김원호 ( Kim Won-Ho ) - (주)메디파이브
이명현 ( Lee Myung-Hyun ) - 한국세라믹기술원 에너지 & 환경본부
오남식 ( Oh Nam-Sik ) - 인하대학교 의과대학 치과학교실
김효정 ( Kim Hyo-Jung ) - 울산대학교병원
KMID : 1146620180070020045
Abstract
This study was designed to evaluate the effect of hot-HF etching surface treatment on the shear bond strength between zirconia and resin cement. Zirconia surfaces was randomly divided into 4 groups (n=10) according to different treatments(blank control; Airborne-Particle-Abrasion (APA); hot-etching with 9% HF gel(HE); combine with Airborne-Particle-Abrasion and hot-etching with HF gel (APA+HE)). After surface treatment, painted with primer (Monobond N, Ivoclar vivadent, Lichtenstein) previously, was applied and resin cement(Multilink N, Ivoclar vivadent, Lichtenstein) cylinders (diameter: 2.0 mm) were bonded. All specimens were subjected to shear bond strength testing using a universal testing machine with a crosshead speed of 0.7mm/min. All data were statistically analyzed using one-way analysis of variance and multiple-comparison least significant difference tests(α=0.05). The zirconia surface of different treatment produced higher bond strength than control without surface treatment. Otherwise, no significant difference was detected between different treatment groups (P<0.05). The shear bond strength of APA following by Hot-HF etching treatment decreased. Surface treatment of zirconia with hot-HF etching gel enhanced the surface roughness and bond strength between the zirconia and the resin cement.
키워드
Zirconia surface treatment; Hot-HF etching; Airborne-Particle-Abrasion; Resin cement; Shear bond strength
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