When a child’s teeth are declared, the following treatment measures can be taken: 1, the child’s teeth are sharper, rubbing the mucosa to form traumatic ulcers, accompanied by bacterial infection, you can apply saline and other rinses to rinse the lesion area, applying iodine povine and other anti-inflammatory pain relief. 2, the gap between the milk teeth is large, often embedded food fibers, stimulating the gums to swell, you can use the rinser and other removal of soft tartar, applying iodine povine and other anti-inflammatory. 3, the deeper of the milk teeth When the caries cavity triggers periapical abscess, you can grind open the pulp cavity under local anesthesia, remove the infected pulp, and place camphorated phenol cotton pads to drain. After the swelling subsides, then apply calcium hydroxide paste to fill the root canal and close the cavity, and the repeatedly infected residual roots and crowns need to be extracted in time.