Inflammation after root canal treatment may affect the adjacent teeth. Inflammation after root canal treatment, if the inflammation is not removed in time may lead to the spread of inflammation, the teeth next to it will also have a certain impact, it is easier to induce gingivitis of the teeth next to the gingiva, and at the same time, there may also be apical periapical inflammation and other diseases, therefore, generally after the root canal treatment, you need to do a good job of dental health care. After root canal treatment, you need to observe the recovery of the tooth, if there is a recurrence of inflammation, consult a doctor in a timely manner, under the guidance of the doctor for root canal re-treatment, apical surgery. Also need to pay attention to personal oral hygiene, keep the mouth clean, so as not to cause infection symptoms.