How about tooth extraction?

If the tooth is irritated by caries, the tooth extraction will not cause infection. If the toothache is caused by pulpitis, the tooth extraction will not cause infection. If the toothache is caused by acute wisdom tooth pericoronitis, or the toothache is caused by acute gum abscess, or the pain caused by acute periodontal abscess, or the pain caused by acute periapical periodontitis, the tooth extraction should not be done in pain. When tooth extraction is painful, anesthesia absorption is relatively poor, so there will be pain reaction first, tooth extraction is not smooth, this is because the pain is more obvious. Moreover, after the tooth extraction may lead to the spread of infection, thus leading to obvious infection. Therefore, the above mentioned several situations are not easy to extract teeth in pain, we had better not extract teeth.