After the root canal is sealed, the tooth can be filled in about 7-10 days, depending on the individual recovery situation. 1. Under normal circumstances, about 7-10 days after the root canal sealing medication, inflammation within the pulp will gradually subside, after which you can choose to fill the filling to plug the tooth gap, can prevent residual tissue into the cavity pit will repeatedly stimulate the pulp tissue. 2. However, after some patients do root canal sealing, due to poor maintenance, the trauma has not completely returned to normal within a short period of time, at this time it is necessary to postpone the filling of the filling time. If there is an inflammatory reaction, the filling needs to be treated before the filling, and the filling can be filled only after the inflammation is completely eliminated, and the specific time varies from person to person. It is recommended to consult a doctor before having a filling and analyze whether the filling can be done under the judgment of a professional physician, and if there is any adverse reaction before having a filling, it needs to be treated first.