Whether the toothache can be extracted needs to distinguish the situation, if the tooth is split, stumps can be extracted; wisdom tooth pericoronitis should be anti-inflammatory before extraction; if it is pulpitis, apical inflammation, you can do root canal treatment to be retained, do not have to extract the tooth. After the tooth is split, there will be symptoms of toothache, usually can be extracted, and then wait for 3 months for implant restoration. If the residual root is pus-filled or the residual root is active, toothache will also occur, and extraction can be chosen. Wisdom teeth with recurrent pericoronitis need to be extracted. However, when there is inflammation, it is not advisable to remove the wisdom teeth. It is necessary to carry out local treatment and use antimicrobial medication, and then remove the wisdom teeth after the inflammation is eliminated. If the tooth has pulpitis, you can kill the nerve to stop the pain, and then do root canal treatment. Apical inflammation is due to the inflammation of the root tip needs root canal treatment to reduce inflammation, and then no pain. After treatment, the tooth can be retained for porcelain.