You can brush your teeth during a root canal, just be careful to avoid vigorous brushing if there is a temporary filling on the tooth. Good oral hygiene is recommended during root canal treatment. Root canal treatment usually requires several visits if it is not a one-time root canal treatment. Therefore, temporary fillings, such as zinc oxide, are often used during the period. This temporary filling material requires a certain amount of curing time, usually half an hour after the treatment on the same day before eating, brushing teeth, etc.. After the temporary material has completely hardened, you can brush your teeth, but the brushing force should be gentle to avoid the temporary material from falling off, if it falls off, we recommend that the patient go to the hospital in time, and under the guidance of the doctor to give targeted treatment or treatment.