方法：根据不同类型桩钉及根面所处位置，分别采用钳取、根尖挺挺出及钻磨取钉等方法。

Method: The separate application of clamp, root elevator or drilling root canal according to different type of post pin and place of root surface.

youdao

方法：根据不同类型桩钉及根面所处位置，分别采用钳取、根尖挺挺出及钻磨取钉等方法。

Method: The separate application of clamp, root elevator or drilling root canal according to different type of post pin and place of root surface.

youdao