Root canal sealing three or four days of pain may be temporary sealing drug stimulation caused by a normal phenomenon; in addition, the drug is too tightly filled, root canal drainage is not complete, etc. will also appear pain, is not a normal phenomenon.
1. Sealing drug stimulation: root canal sealing drug is generally used formaldehyde cresol, camphor phenol, etc., there is a certain degree of disinfection, sterilization, will cause a certain degree of stimulation of periapical tissues causing pain, which is a normal phenomenon, without special treatment, the pain will be gradually relieved.
2. Drug filling too tight: after sealing the temporary sealing drug filling too tight, resulting in excessive pressure in the root canal, there will also be pain after sealing the drug, which is an abnormal phenomenon.
3. Root canal drainage is not complete: root canal inflammation is relatively large drainage is not complete, there is still pus in the root canal when sealing the drug, will lead to pain after sealing the drug, is an abnormal phenomenon.
Root canal sealing medicine three or four days after the pain may have other reasons, timely to the hospital, clear cause of the disease to choose the best treatment.