双侧上颌骨缺损时,由于缺损范围较广且深,在做修复时,无论在固位、支持以及修复方法上都存在着一定的难度,修复效果也较差。我们对双侧上颌骨缺损患者,在阻塞器与上颌总义齿相对应的部位安放两块磁铁,利用磁铁的磁埸相吸的原理,使二者相互得以固位,使咀嚼、吞咽、发音功能以及面部 Bilateral maxillary defects, due to a wide range of defects and deep in the repair, both in the retention, support and repair methods there is a certain degree of difficulty, the repair effect is poor. In patients with bilateral maxillary defects, two magnets are placed in the site of the occluder and the maxillary total denture. By using the principle of magnetic attraction of the magnet, both of them can be repositioned to chew, swallow and sound And the face