覆盖义齿有多种不同的附着系统,杆一夹附着系统有坚固的结构及良好的固位与稳定性,故常被临床选用。但如果种植体植入的部位偏后、牙弓过窄或种植体舌向倾斜较大,则会造成其连接直杆位于口底之上引起咀嚼、吞咽和发音困难。常用的解决办法是用成角 There are many different types of overdenture attachment system, rod-clip attachment system has a solid structure and good retention and stability, it is often clinically used. However, if the implants implanted in the body after the partial, excessive arch or dental implant tilted larger, it will cause the connecting rod located above the mouth of the mouth caused by chewing, swallowing and pronunciation difficulties. The common solution is to use angulation