Inflammation will be completely eliminated within a week or so after the pulp is opened and drained. Generally, the residual material will be gradually discharged after the pulp is opened and drained, and the pressure in the pulp cavity will be reduced, together with the use of anti-inflammatory medication, the inflammation can be effectively relieved. If the condition is mild, the inflammation will disappear in about 2~3 days, if the condition is serious, it may take a week or even longer. After the tooth is opened to drain the pulp, you need to actively seek medical treatment, carry out thorough root canal treatment, use professional tools to remove the inflammatory substances in the root canal, and put anti-inflammatory drugs inside, and there may be pain, swelling and other symptoms, you can follow the doctor’s instructions with antibiotics and other anti-inflammatory drugs. Usually need to pay attention to do a good job of personal care health care work, light diet, more rest, avoid tooth stimulation.