The following are the precautions to be taken after the filling is placed: 1, patients should avoid using the side of the affected tooth for chewing, because the temporary sealing material is not strong enough, and if it is chewed, it is likely to lead to premature dislodgement of the medication, which will affect the progress of the dental treatment.2, avoid eating stimulating food, because the tooth is already inflamed, and if you eat stimulating food, it is likely to aggravate the inflammation.3, be sure to protect the hygienic environment of the mouth to avoid further inflammation. Once the sealing medicine, this side also need normal brushing, do not because of the sealing medicine, afraid of brushing off the drug and not brushing, this is the wrong performance, can be normal brushing, just can touch the affected teeth to gently brush, do not use excessive force. After the filling is sealed, if the patient feels pain locally, he can take some anti-inflammatory drugs for routine anti-inflammatory.