When one or more teeth in the mouth have decay or pulpitis, as well as some conditions such as periapical inflammation, the tooth will need to be repaired. Whether the tooth needs to be filled or extracted depends on the specific condition of the tooth in the mouth. If the tooth still has teeth on the left and right sides, and also has teeth on the top and bottom of the tooth, and the damage is not very serious, and it still has an important biting role in the mouth, then the tooth will need to be filled. If the broken tooth is in the last of the teeth, it corresponds to the upper or lower there are no teeth, there is no corresponding occlusal teeth, or belongs to a wisdom tooth, such a situation this tooth has no preservation value, can be extracted.