Root canals once taken to open the pulp treatment, you have to continue to receive treatment of. 1. Opening the pulp to open the pulp, do not remove the inside of the corrupt material or residual tissue, may repeatedly stimulate the pulp, resulting in pulp root decay, atrophy, easy to affect the alveolar bone, resulting in intolerable pain in the alveolar bone, the patient’s life has a greater impact. 2. Moreover, after the pulp is opened, the treatment is not continued, and no crown restoration can be carried out, and there is no protection for the tooth. At this time, the tooth itself is relatively fragile, and it is easy to break or crack, which will ultimately affect the normal chewing and eating, and osteomyelitis and buccal fistula will be formed in serious cases. Therefore, after the root canal open pulp, we should continue to adhere to the treatment, so as not to cause adverse reactions, specific should be combined with the doctor’s recommendations.