상아질에 대한 자가 산부식 접착제의 전단결합강도와 SEM 분석 비교 = SHEAR BOND STRENGTH OF SELF-ETCHING ADHESIVES TO DENTIN AND SEM ANALYSIS

다국어 초록 (Multilingual Abstract)

The purpose of this study was to compare shear bond strength and interfacial pattern of composite bonded to dentin using self-etching adhesive systems.
Sixty extracted human molars with exposed occlusal dentin were divided into four groups and bonded with four adhesives and composites: Single Bond/Filtek Z 250(SB), Tyrian SPE-One-Step Plus/Aelitefil(TY), Prompt L-Lpop/Filtek Z 250(LP), and one-Up Bond F/Palfique Toughwell(OU).
The results of this study were as follows;
1. Shear bond strength for OU was significantly lowet than that of other groups(p<0.05). No significant difference was founded among SB, TY, and LP.
2. Failure modes to dentin showed adhesive and mixed for SB, TY, and LP, but them for OUT showed adhesive in all spceimens.
3. Dentin-resin interface showed close adaptation for SB, TY, and LP, but it showed gap for OU.
4. The hybrid layers for TY, LP, OU were thinner than that of SB. Adhesive layers were observed between composite and hybrid layer, which were 5 ㎛ thick for TY and 10 ㎛ thick for OU.