지르코니아 프라이머 종류에 따른 복합레진-지르코니아의 전단결합강도
Effec of different zirconia primers on shear bond strengths of composite resin to bonded zirconia
석홍병, 김태석, 안재석, 이정환,
소속 상세정보
석홍병 ( Shi Hong-Bing ) - 전북대학교 치과대학 치과재료학교실
김태석 ( Kim Tae-Suk ) - 마산대학교 치기공과
안재석 ( Ahn Jae-Seok ) - 광주보건대학교 치기공과
이정환 ( Lee Jung-Hwan ) - 광주보건대학교 치기공과
KMID : 0362120160380030135
Abstract
Purpose: The aim of this research was to evaluate the influence of different surface treatments on the shear bond strength of zirconia ceramic to composite resin.
Methods: Seventy two cylinder-shape (diameter: 5 mm; height: 12 mm) blocks of experimental industrially manufactured Y-TZP ceramic were abraded with 125㎛ Al2O3 particles and randomly divided into 4 groups. All the materials were categorized as group Gc(control group - composite resin veneering on zirconia surface), Gr - composite resin veneering after surface treatment of Rocatec system (3M ESPE, Seefeld, Germany) group; Gz - composite resin veneering after surface treatment of Zirconia primer (Z-primer, Bisco, U.S.A) group; Gm - composite resin veneering after surface treatment of zirconia primer (Monobond plus, ivoclar vivadent AG, Liechtenstein) group. Two different zirconia primers and Rocatec system were used to zirconia cylinders (n=16) onto the zirconia surface. Zirconia specimens, polished and roughened, were pretreated and composite bilayer cylinders bonded using conventional adhesive techniques.
Results: Shear bond strengths were analyzed using single-factor ANOVA(p<0.05). Bond strength values achieved after airbone particle abrasion and zirconia surface pre-treatments(p<0.05).
Conclusion: Shear bond strength tests denmonstrated that zirconia primer is a viable method to improved bond strength between zirconia ceramic core and veneering composites.
키워드
zirconia ceramic; zirconia primer; surface modification; shear bond strength; composite
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