Root canal treatment precautions 1. Different degrees of discomfort may occur after root canal filling, which is a normal phenomenon. If there is no obvious swelling and pain, the mild discomfort will disappear after 2~3 days of treatment. If there is more obvious swelling or pain, you should follow up with the doctor and take antibiotics or painkillers under the guidance of the doctor. 2, silver amalgam filling patients are forbidden to eat and drink within 2H, forbidden to drink hot water within 24H, avoid chewing food with the affected side, forbidden to bite hard food; composite resin filling patients avoid eating too cold and too hot stimulating food, less pigmented food or drinks, such as red wine, soy sauce, coffee, etc., rinse the mouth after eating, pay attention to oral hygiene. 3, after pulpotomy, the tooth tissue becomes brittle, and for large area filling, in order to prevent the tooth from crumbling, patients are advised to perform crown restoration in time. 4, if it is not suitable for immediate filling, should be prepared on the root canal disinfection drugs and deactivation agent, mixed with zinc oxide clove oil cement temporary seal, follow the doctor’s instructions according to the different treatment methods to book a follow-up appointment, open drainage 2 ~ 3 days to review, root canal anti-inflammatory 5 ~ 7 days to review, root canal deactivation after about 7 ~ 14 days to review. Prevention of dental disease 1, pay attention to oral hygiene, develop good habits of brushing teeth in the morning and evening and rinsing mouth after meals. 2, the correct method of brushing is vertical brushing method, avoid “saw-like” horizontal brushing, vertical brushing method that the upper teeth from the top to the bottom brush, the lower teeth from the bottom to the top brush, chewing surface back and forth brush, inside and outside are brushed, each brush for about 3 minutes. 3, choose the head of small hair soft health care toothbrush, toothbrush should be used after the toothbrush head up, placed in a ventilated dry place. Because toothbrushes are prone to bacterial growth, the general toothbrush used for a maximum of 6 months, after illness should be replaced with a new toothbrush. 4, do not eat snacks before bedtime, and brush your teeth after eating sweets. 5.Educate children not to eat partially, not to chew unilaterally, not to bite fingers and pencils, and to eat more vegetables and other coarse fiber food. Enhance the chewing function, which is conducive to the normal development of the dental and jaw system and reduce dental disease. 6, regular oral examination at the regular hospital, preferably once every 6 months to a year.