So there was no extraction.
You said: 如果上面的已经拔了,下面这个没用,但很难清理到,容易出蛀牙,我会把它拔了。
What do you mean "下面这个没用,..." ?
I really appreciate your response, as I am so nervous about this wisdom tooth. If I had an extraction before, I probably would not have been so nervous.