This study evaluated the retention of two types of metal full crowns by surfacetreatment of different methods and lution with three types of luting agents.

• 用两种金属全冠和三种粘固剂及不同的金属全冠组织面的处理,通过测试粘结抗张强度和扫描电镜观察表面形态,评价这些因素对金属全冠固位力的影响。