1, caries filling may appear after hot and cold discomfort or other discomfort, such as symptoms are more serious or spontaneous pain, should be changed to do root canal treatment, fillings should be tried to bite feel the discomfort of the high point, whether lip and tongue irritation discomfort, in order to adjust the grinding in a timely manner. Commonly used filling materials for resin, filling good that is cured can eat, pay attention to the protection. 2, root canal treatment operation, postoperative pain and other discomforts may occur, oral anti-inflammatory painkillers to relieve; if the symptoms are more serious, timely follow-up 3, according to the agreed time for follow-up, follow-up with good medical records, change the appointment to be contacted in advance 4, such as sealing of the affected teeth, do not use the affected teeth to chew food, such as sealing material off, swelling and pain, timely follow-up 5, root canal treatment about a week after the affected teeth to be carried out full-crown restoration to prevent tooth fracture 6, treatment, treatment and treatment, the root canal treatment of the affected teeth to be carried out full-crown restoration to prevent tooth fracture, and to prevent tooth cracking. In order to prevent tooth fracture 6, communication with the doctor before treatment, fully aware of the treatment program, operation, postoperative attention, etc., unknown to the doctor to ask carefully; after treatment, leave the doctor (department) contact information in order to communicate in a timely manner.