目的 观察IPS e.max press铸瓷髓腔固位冠在无髓磨牙保存修复中的临床效果.方法 选择45颗无髓磨牙,先经根管治疗及龈上洁治术,1～2周......

This study was designed to compare the impact of post and core systems on resistance to fracture of endodontically treat......