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目的:总结基台固位螺钉折断后,对种植体无损、对机体无创取出种植体内残留螺钉的方法。方法:利用安装在慢速手机或减速手机上专用的和改良的取出器械取出折断的螺钉残体。结果:3例种植体基台固位螺钉折断后全部成功取出折断残端,重新安装基台后进行冠修复,效果满意。结论:文中介绍的方法效果好,操作简易,整个过程患者无不适,种植体未受损,是一种非常好的折断固位螺钉取出方法。
OBJECTIVE: To summarize the method of noninvasive removal of implanted screws in the implant after the abutment retention screw is broken. Method: Remove the broken screwed debris with a dedicated and improved removal device installed on a slow or slow handpiece. Results: All the implants on the abutments of the implants were successfully taken out and the stumps were removed successfully. After the abutment was re-installed, the crown was repaired satisfactorily. Conclusion: The method presented in this article is effective and easy to operate. The patient has no discomfort and the implant is not damaged in the whole process. It is a very good method for removing and fixing the screw.