不同的磁性固位体设计形式所产生的固位力不同。
Very different Retentive force was found in different designed retainers.
目的：评价采用磁性固位改善覆盖义齿固位的远期应用效果。
Objective: To evaluate the long-term effect of magnetic attachment on the improvement of overdenture retention.
作者研制了一种新型磁性陶瓷复合材料，以其取代目前临床使用的磁性固位种植系统中的软磁合金衔铁。
A new type of magnetic implant composite material was made to replace the ferromagnetic alloy in implant magnetic retention system.
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