Tooth rot a hole with a toothpick poked the nerve need to promptly seek medical treatment for root canal treatment or extraction of the tooth. 1. Root canal treatment, if there has been obvious caries need to consult a doctor for X-ray testing, to determine the severity of caries, if there is a significance of retention, you can also choose to carry out root canal treatment, root canal treatment is mainly anesthesia to remove the decay of the dentin and pulp, and then disinfection and filling of the root canal. Due to the increased brittleness of the tooth, a crown may be required at a later stage. 2. Extraction of teeth, if the degree of caries is more serious and there is no need to keep the teeth, it is necessary to do a good job of anti-inflammatory work and then extract the teeth, and then for removable denture restoration or dental implant restoration. Usually need to do a good job of dental care, regular medical review.