Objective:The purpose of this study was to evaluate the application result of self-drilling miniscrew implant anchorage in orthodontic patient who involved in molar extraction and retention.
目的：探讨种植体支抗在涉及磨牙拔除和保留的正畸病例中的应用效果。
2
A new type of magnetic implant composite material was made to replace the ferromagnetic alloy in implant magnetic retention system.
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。
3
Conclusion: the number, site and dislocation direction of the attachment affect retention force of bar-clip implant overdenture.