It was about as popular as a root canal.
它就像牙根管一样普及。
Dad needs to have a root canal operation.
爸爸需要做牙根管治疗。
Sometimes a tooth with a root canal filling will change color.
牙根管补过的牙有时会变色。
It was about as popular as a root canal. (Speaking of the bank bailout).
它就像牙根管一样普及。
Conclusion One appointment root canal therapy is a safe, time saving, and economic RCT method.
结论一次性根管治疗术是节省时间行之有效的治疗方法。
Methods root canal done a T type of wax.
方法：在根管上做一个“T”型蜡条。
Methods root canal done a T type of wax.
方法：在根管上做一个“T”型蜡条。
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