All pins used to secure the chain or jaws should be kept in place with safety pins or cotter pins.
固定链子或钳头的所有销子都应当装到位，并穿上安全销或开口销。
Jaws missing all the teeth can be restored with fixed Bridges anchored by 5 or 6 implants.
若是全口牙齿缺失，可以做固定桥修复，而五至六个种植体就可以支撑这个全口拱形桥。
Jaws missing all the teeth can be restored with fixed Bridges anchored by 5 or 6 implants.
若是全口牙齿缺失，可以做固定桥修复，而五至六个种植体就可以支撑这个全口拱形桥。
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