The following oral care measures can be carried out: 1, at least twice a day after meals and timely brushing, no less than three minutes each time, and no more food after thoroughly cleaning the mouth before going to bed; 2, take the correct way of brushing, choose a toothbrush with soft texture, make the bristles close to the tooth surface, turn the toothbrush up and down in the direction of the long axis of the tooth body, try to extend the bristles into the gingival sulcus and clean the adjacent surfaces of the teeth; 3, you can use dental floss, gap brush, toothpick and other auxiliary tools to reduce the attachment of soft food scale and plaque; 4, can’t eat too hard food, can’t bite hard things with teeth, otherwise it will cause tooth chipping and hidden crack, too sweet food is easy to cause tooth decay.