The hole at the root of the tooth and gums is considered to be caries, which needs to be treated according to the severity of the caries, and can be treated with filling, root canal or extraction. 1. Filling treatment, if the caries is not serious, you can usually choose to have a resin filling to repair the tooth, which can remove the local decay and avoid aggravation of symptoms. 2. Root canal treatment, if the caries is more serious, you can seek medical treatment in time for root canal treatment, and at the same time, you also need to carry out crown restoration, to avoid increasing the brittleness of the tooth, damage to the tooth. 3. Extraction, if the tooth damage is more serious, there is no value to keep, may need to be extracted in time. Normally, you need to observe the condition of the tooth more often, if there is any abnormality, you need to actively seek medical attention.