OBJECTIVE: To compare bonding strength of the fiber post after 4 different surface treatments by using of polyurethane binder.
目的：应用聚氨酯黏结剂比较纤维桩经4种不同表面处理的黏结强度。
Fiber post can improve the strength of materials combined with polyurethane binder after 4 different surface treatments; the bonding strength of it is the greatest after hydrogen peroxide treatment.
结果证实经4种表面处理的纤维桩均能提高与聚氨酯黏结材料的黏结强度，过氧化氢处理后黏结强度最强。
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